™
THE LIBERATOR
HYDRAULIC GENERATOR PLUS
RESCUE TOOL PUMP SYSTEM
OWNER’S MANUAL
MODEL#: LI-15, LI-20, and LI-25
Smart Power® Systems
A. C. MODULAR GENERATOR SYSTEM
Page 1 of 54
Table of Contents
Section Page
Disclaimer .......................................................................................................................... 5
Description of Product ...................................................................................................... 6
System Specifications ...................................................................................................... 9
Pre-Installation Guide ..................................................................................................... 11
Installation Guide ............................................................................................................ 17
Hose Installation Guidelines .......................................................................................... 22
Operation ......................................................................................................................... 29
Special Operating Instructions ...................................................................................... 34
Maintenance Instructions ............................................................................................... 35
Troubleshooting Guide ................................................................................................... 39
SPS Model Matrix ............................................................................................................ 46
Pump Adjustment ............................................................................................................ 49
Manufacturers Limited Warranty ................................................................................... 53
Doc. 9991051 Rev. A
ECO #15622
Smart Power® Systems
A. C. MODULAR GENERATOR SYSTEM
Page 2 of 54
WARNING:
Do not install or operate a Liberator™ (LI) system without completely reading both this
manual and the XRT manual.
The A.C. modular generator system will generate enough voltage to produce a fatal
electrical shock. Do not perform any wiring installations or modifications while the system
is operating. Never touch any live connections while the system is operating. Never
operate the system with the generator wiring enclosure open. Install and secure cover
before operating.
The installation of the Smart Power® A.C. modular generator system is to be done in
accordance with applicable sections in the National Fire Protection Association’s
document NFPA 1901, National Electrical Code®, and/or other applicable, recognized
electrical codes and by a certified electrician.
Never directly expose the generator to any liquids, especially water, oil, or solvents.
Electrical shock, fire and/or damage to the generator can occur and will void the system’s
warranty.
Smart Power hydraulic generators, as well as all generators, must be sufficiently protected
from the environment to prevent damage to the stator. Smart Power stators go through a
very important double-dip coating process prior to generator assembly, however, exposure
to direct water sprays can cause the stator to electrically short. Generator damage and
electrical shock can occur.
Caution should be taken during truck pressure washing, since water damage to the
generator can occur if directly sprayed with high water pressure. Though Smart Power
generators are enclosed as much as possible, direct spray through the cooler, fan or open
lid can still cause such damage.
Excessive road spray/salt can also cause an electrical short of the stator in the generator
and can also shorten the generator’s operating life. To prevent this type of damage, do not
mount the system where it will be exposed to road spray.
Evidence of water damage, road spray/salt infiltration, and improper mounting will void the
generator warranty.
Avoid physical contact with any of the components of the A.C. modular generator system
during its operation or immediately after its use. The components of this system will get
hot enough to cause burns and could ignite combustible materials.
Do not mount or locate anything inside of the framework. System overheating could result
and void the system’s warranty.
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A. C. MODULAR GENERATOR SYSTEM
Page 3 of 54
Never operate the system with leaks of any type. Clean up any hydraulic fluid that is
spilled or has leaked out of the system. Hydraulic fluid is combustible, and ignition may
occur.
With the exception of instructions within this manual, never modify or remove any of the
components within the tray assembly.
Never modify or remove any of the components within the pump or the controls mounted
to the pump. This includes all fittings and tubing that are originally provided with the A.C.
modular generator system.
Never make any adjustments to the pump other than for flow control. If it appears the
®
pump needs to be adjusted, contact Smart Power
Systems at (231) 832-5525 before
proceeding. Damage to the generator from improper pump adjustment will void the
system’s warranty.
Never attempt any adjustments or repairs to the A.C. modular generator system (other
than pump flow control) or to the rescue tool system while the vehicle engine is running
and the PTO is engaged.
Never operate the system with the hydraulic fluid exceeding 195°F. Above this
temperature, hydraulic fluid can rapidly oxidize and deteriorate causing generator
performance problems. Operating the system while the hydraulic fluid is above 195°F will
void the system’s warranty.
Hydraulic fluid is combustible and toxic. In the event of human contact with hydraulic fluid,
generously flush body part (eyes, skin, etc.) with running water. Avoid inhalation of any oil
mist or vapor. Do not ingest hydraulic fluid. In case of fire, use foam, dry chemical or
carbon dioxide to extinguish flame.
Do not exceed the wattage rating of the generator. The generator may be permanently
damaged and the generator and hydraulic components may reach temperatures that could
cause severe burns upon human contact with the components. Operating the generator
system at wattages above the system’s rating will void the system’s warranty.
Disengage the system immediately if a hydraulic fluid leak is detected. Operation of the
A.C. modular generator system or the XRT rescue tool pump with low fluid level will result
in permanent damage to the hydraulic components in the system and will void the
system’s warranty.
Do not tamper with the hydraulic fluid level sensor.
Never attempt to operate the A.C. modular generator system or the XRT rescue tool pump
without hydraulic fluid. FOR A.C. Modular Generator System ONLY:
A) Always
maintain a fluid level between ½ to ¾ full in the sight plug. B) When installing the system,
Smart Power® Systems
A. C. MODULAR GENERATOR SYSTEM
Page 4 of 54
fill the pump case with a minimum of 1 pint of hydraulic fluid (Dexron III) before engaging
the system. Failing to do so will void the system’s warranty.
Operating the A.C. modular generator system in the presence of flammable vapors may
result in an explosion.
Use only hoses that meet or exceed the minimum requirements specified in this manual
for the A.C. modular generator system ONLY! Reference the XRT manual for the hose
requirements for the XRT system. A ruptured hose can cause personal injury and/or
damage to the generator system.
Do not operate the system under electrical load with air in the hydraulic fluid (the system
will make a growling sound). Do not allow anything to contact the hydraulic hoses that will
cause a kink, pinch or chaffing. The A.C. modular hydraulic system generates hydraulic
pressures around 5000 psi. A ruptured hose may result from abrasion, discharging hot,
high-pressure hydraulic fluid, which can cause serious personal injury, fire, and/or damage
to the system.
Never remove the guards on the generator to expose the rotating fan or motor coupling.
Personal injury will result if fingers, hair or loose clothing come in contact with rotating
components.
Smart Power® Systems
A. C. MODULAR GENERATOR SYSTEM
Page 5 of 54
Disclaimer
Although SPS has taken all reasonable care to ensure that the information contained in
this installation manual (including without limitation, references, databases, resources,
specifications, illustrations and instructions) was accurate in all material respects at the
time of publication, SPS PROVIDES NO ASSURANCE, REPRESENTATION,
WARRANTY OR GUARANTEE, expressed or implied (including third party liability), with
regard to this manual, including without limiting the generality of the foregoing, with regard
to its accuracy, reliability or completeness. The entire information contained in this
installation manual is provided by SPS “AS IS” and without warranty of any kind, express
or implied, including (but not limited to) any implied warranties or merchantability, fitness
for any particular purpose, or non-infringement. Accordingly, by using the SPS unit and
this information, you agree that, to the greatest extent permitted by law, SPS (including,
without limitation, its subsidiaries, affiliates, agents, officers, directors, employees and
insurers) is not and will not be liable for losses or damages resulting from this installation
manual, its use, any information contained therein or the installation of the SPS unit.
This installation manual contains references to certain database and resources. As SPS
has no control over these database and resources, you acknowledge and agree that SPS
is not responsible or liable for any content, advertising, products, information or other
materials on or available from such database or resources. You further acknowledge and
agree that SPS shall not be responsible or liable, directly or indirectly, for any damage or
loss caused or alleged to be caused by or in connection with use of or reliance on any
such content, information goods or services available on or through any such database or
resources. All product illustrations and specifications are based upon current information
at the time of publication. Although descriptions are believed correct, complete accuracy
cannot be guaranteed. SPS reserves the right to make changes of any kind at any time,
without notice or obligation, in the information contained on this installation manual. All
data and information of any kind are subject to change without notice and SPS assumes
no obligation to update or correct information in this manual.
As some states do not allow the exclusion or limitation of liability for consequential or
incidental damages, the limitation contained herein may not apply to you. In such states,
SPS’ liability is limited to the greatest extent liability limitation is permitted by applicable
law.
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A. C. MODULAR GENERATOR SYSTEM
Page 6 of 54
Description of Product
Hydraulic Generator / Rescue Tool Pump Applications:
This heavy-duty electronically controlled generator system has been designed to meet the
most demanding mobile applications. It provides 120/240 volt AC @ 60 Hz from no-load to
full load, handling electrical loads of 10,000, 15,000, or 20,000 watts, depending on model.
The XRT rescue tool pump is a dual level hydraulic pump designed to operate one, two or
three hydraulic extrication tools at the same time.
How our System works:
A generator driven by a hydraulic motor delivers the electrical power. In addition, a rescue
tool pump is driven by the generator as its drive shaft is directly coupled to the generator
shaft. The motor turns at 1800 RPM as controlled by the flow of hydraulic fluid through an
electrically controlled proportional valve. The proportional valve is directly driven by the
system controller. The piston pump delivers fluid to the proportional valve through installersupplied PTO mounted to the vehicle’s transmission.
Heat generated in the hydraulic fluid as it passes through the various components in the
system is cooled by a heat exchanger and fan. A filter removes impurities in the fluid. A
venturi boost assembly monitors the volume of oil in the hydraulic circuit and feeds the
system from the reservoir as needed.
NOTE:
cooling and control components.
Essentially, the only system maintenance required is periodic replacement of the hydraulic
fluid filter and adding hydraulic fluid to maintain the fluid level (when the hydraulic fluid is
between 70° and 80° F, it should be at the ¾ mark on the sight gauge).
Generator hydraulic and electrical schematics: see Figure 1, and Figure 2.
The rescue tool pump has a separate hydraulic circuit with its own filtering,
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A. C. MODULAR GENERATOR SYSTEM
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BOOST BLOCK
FILTER
CASE DRAIN
COOLER
CHECK
VALVE
MOTOR
VENTURI BOOST
x
y
BP
REG
PROPORTIONAL
VALVE
RESERVOIR
IN
PUMP
CASE DRAIN
Hydraulic schematic for LI-15, LI-20, and LI-25
generator system (excluding Rescue tool pump system)
Figure 1
RED
ORANGE
BLACK
Smart Power® Systems
A. C. MODULAR GENERATOR SYSTEM
WARNING:
12 VOLTS DC MUST BE DIRECTLY APPLIED TO THE GENERATOR SYSTEM
CONTROLLER WHENEVER THE HYDRAULIC PUMP IS ENGAGED. FAILURE
TO DO SO MAY CAUSE EXCESSIVE FLUID TEMPERATURE, DAMAGING THE
SYSTEM COMPONENTS AND WILL VOID THE W ARRANTY
VEHICLE +12V SUPPLY
VEHICLE GROUND
FAN MOTOR
NOT PROVIDED
Page 8 of 54
+
-
SYSTEM CONTROLLER
P/N 8505034 (LI-15)
P/N 8505033 (LI-20, LI-25)
BROWN/WHITE
GREY
ORANGE
YELLOW
PURPLE
BLACK/WHITE
GREEN/WHITE
YELLOW
BLACK/YELLOW
BLACK
GREEN
PINK
BLUE
YELLOW
PURPLE/YELLOW
WHITE/BLUE
WHITE/RED
PURPLE/WHITE
RED/WHITE
BLUE/WHITE
ORANGE/WHITE
PINK
BLUE
SPS DISPLAY WIRE HARNESS
GENERATOR
OUTPUT
GENERATOR
OUTPUT
GENERATOR
OUTPUT
GENERATOR
OUTPUT
LOGIC HI L1
LOGIC LO L2
F1
F2
P/N 3722004
RED
GREEN
WHITE
BLACK
ASM, FIELD CONTROL
FIELD WINDING
P/N 3100308
COMMAND & CONTROL CENTER
P/N 1500047
ASM, OIL TEMP. SENSOR
P/N 3310736
PRESSURE SWITCH
P/N 8594019
CURRENT TRANS.
P/N 1500035
VAC
CURRENT TRANS.
P/N 1500035
CIRCUIT BREAKER
REMOTE ENB. SW.
INDICATOR BULB
RED
BLACK
BUZZER
ASM, OIL LEVEL SENSOR
P/N 3320106
PROP. CONTROL VALVE
P/N 8594452
CIRCUIT BREAKER
T1
WINDING A
T2
T3
WINDING B
T4
FIELD
GENERATOR
Electrical Wiring Diagram for LI-15, LI-20, and LI-25 generator systems (excluding Rescue tool pump system)
Figure 2
MODEL OF
GENERATOR
Generator
Type
Speed
Frequency
Voltage
Amperage
Output
Power
Hydraulic
Motor
Max. Speed
Hydraulic
Pump
Operating
Speed
(For 5KW max.
output)
Operating
Speed
(For full output)
Standard Shaft
Optional Shaft
Mounting
Flange
Displacement
Continuous
Pressure (Max)
Peak Pressure
Standard
Rotation
Pump
Dry Weight:
Smart Power® Systems
A. C. MODULAR GENERATOR SYSTEM
System Specifications
LI-15 LI-20 LI-25
AC Inductive
1800 RPM
60 Hz
240 VAC or
120/240 VAC
42A @ 240 VAC or
83A @ 120 VAC
10 KW continuous
12 KW peak
Piston type, 30cc
4000 RPM
Piston w/pressure
compensated control
800-3000 RPM
continuous duty
SAE ‘C’ Flange
1-1/4”-keyed (1.229”)
SAE ‘C’ Flange
1-1/4” 14-tooth spline
SAE ‘C’ bolt mount
80cc per revolution
5100 psi (347 bar)
4600 psi (315 bar)
Engine right-hand
rotation (opposite
engine rotation
available upon request)
77 lbs
AC Inductive
1800 RPM
60 Hz
240 VAC or
120/240 VAC
62A @ 240 VAC or
125A @ 120 VAC
15 KW continuous
16.5 KW peak
Piston type, 30cc
4000 RPM
Piston w/pressure
compensated control
800-3000 RPM
continuous duty
SAE ‘C’ Flange
1-1/4”-keyed (1.229”)
SAE ‘C’ Flange
1-1/4” 14-tooth spline
SAE ‘C’ bolt mount
80cc per revolution
5100 psi (347 bar)
4600 psi (315 bar)
Engine right-hand
rotation (opposite
engine rotation
available upon request)
77 lbs
Table 1
Page 9 of 54
AC Inductive
1800 RPM
60 Hz
240 VAC or
120/240 VAC
84A @ 240 VAC or
167A @ 120 VAC
20 KW continuous
22 KW peak
Piston type, 40cc
4000 RPM
Piston w/pressure
compensated control
950-3000 RPM
continuous duty
(See Note )
1200-3000 RPM
continuous duty
SAE ‘C’ Flange
1-1/4”-keyed (1.229”)
SAE ‘C’ Flange
1-1/4” 14-tooth spline
SAE ‘C’ bolt mount
80cc per revolution
5100 psi (347 bar)
4600 psi (315 bar)
Engine right-hand rotation
(opposite engine rotation
available upon request)
77 lbs
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A. C. MODULAR GENERATOR SYSTEM
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MODEL OF
GENERATOR
Oil Cooler
Dimensions (Core)
Fan
Voltage
Amperage
Filter 10 Micron 10 Micron 10 Micron
Hydraulic Oil
(recommended)
(alternate)
Maximum Viscosity
Minimum Viscosity
Op. Temp. range
(deg. F.)
Hoses
Motor Inlet
All Others
LI-15
7.5”D x 18.9” W x 27.25”L
12 Inch Pusher
12 Volts DC
22 Amps
Dexron III
ISO Approved Hydraulic
Fluid
4650 SUS (1000 cSt)
55 SUS (10 cSt)
-13° F to 195° F
JIC STD
4000 psi, SAE
1250 psi, SAE
LI-20
7.5”D x 18.9” W x 32.3”L
16 Inch Pusher
12 Volts DC
22 Amps
Dexron III
ISO Approved Hydraulic
Fluid
4650 SUS (1000 cSt)
55 SUS (10 cSt)
-13° F to 195° F
SAE
6000 psi, SAE
1250 psi, SAE
LI-25
7.5”D x 18.9” W x 32.3”L
16 Inch Pusher
12 Volts DC
22 Amps
Dexron III
ISO Approved Hydraulic
Fluid
4650 SUS (1000 cSt)
55 SUS (10 cSt)
-13° F to 195° F
SAE
6000 psi, SAE
1250 psi, SAE
Fittings SAE SAE SAE
Dry Weight
(without pump)
Dimension of Tray
Asm.
Ambient Operating
Temperature Range
40.5” L x 19” W x 22” H
485 lbs 580 lbs 715 lbs
46” L x 19” W x 22” H
(Including Reservoir)
0°F to 120°F 0°F to 120°F 0°F to 120°F
(Including Reservoir)
48” L x 19” W x 22” H
(Including Reservoir)
Table 1 (cont.)
Note : The recommended PTO ratio is 1.29 : 1 (129%).
The recommended engine idle speed with this PTO is 750 RPM.
This will result in a 968 RPM pump drive input, thereby insuring 5KW
of available power at engine idle. If full output is required at idle speed, then a higher PTO
ratio must be chosen to create 1200 RPM pump drive at idle speed; however care must
be taken to prevent higher engine speeds from creating a pump speed that exceeds the
pump’s maximum speed.
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A. C. MODULAR GENERATOR SYSTEM
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Pre-Installation Guide
Pre-Installation Check List
1. Verify that the Power Take Off (PTO) and the pump rotations match.
To identify the pump rotation, check the pump part number found on the metal tag
attached to side of the pump. A right hand rotating pump (the standard pump
offered by Smart Power® Systems), will have the letter “R” in its part number.
Example: K3VL80/B-10R
A left hand rotating pump will have the letter “L” in its part number.
Example: K3VL80/B-10L
To determine the PTO rotation, check the PTO manufacturer’s specification or
observe the PTO when it is engaged with the vehicle’s engine running.
A right hand rotating pump requires a PTO that turns counter-clockwise when
looking at the free end of the PTO shaft. A left hand rotating pump requires a PTO
that turns clockwise when looking at the free end of the PTO shaft.
WARNING:
Operating the pump with reverse rotation will damage the pump and void the
system’s warranty.
2. Verify that the PTO ratio is properly sized to provide adequate speed to the
hydraulic pump during normal operation of the generator system. The PTO speed
must be in the range specified in Table 1 for your model generator.
Example: For an LI-15 System that is to operate at 650 RPM engine speed:
PTO Ratio = 800 RPM ÷ 650 RPM = 1.23 or use the recommended 129% PTO ratio
WARNING:
Never exceed the maximum pump shaft speed. Pump failure or premature pump
wear will result. Doing so will void the system’s warranty.
3. Verify the combined weight of the pump and hoses filled with hydraulic fluid do not
exceed the PTO manufacturer’s weight restriction. If the pump weight does exceed
this restriction, the installer has two options: A) a bracket to support the pump can
be implemented, or B) the pump can be mounted to the vehicle chassis, connected
to the PTO with a drive shaft.
4. Verify that the pump shaft will mount to the PTO. Pumps supplied by Smart Power®
Systems have a SAE ‘C’ 2 bolt flange.
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The pumps supplied by Smart Power® Systems for Models LI-15, LI-20, and LI-25
have either the standard 1-1/4” keyed shaft, or, the optional 1-1/4” shaft with a 14tooth spline.
Check the PTO manufacturer’s specification to verify that the pump supplied with the
system will mount to the PTO installed on the vehicle.
Note: In some cases it may be necessary to mount the pump remote from the PTO
and drive it with a drive shaft. Contact the PTO manufacturer for information on the
proper mounting configuration under these conditions.
WARNING:
The installer must provide guarding to prevent damage to the pump seals from road
debris if the pump is remotely located. Also, properly sized and installed vibration
isolators must be used if the pump is mounted to the chassis. Failure to do either
will void the system’s warranty.
Never use an unbalanced drive shaft to drive a remotely located pump. An
unbalanced drive shaft will cause premature wear of the pump and will void the
system’s warranty.
Do not approach a running A.C. modular generator when wearing long, loose items
such as hair, jewelry, ties, clothing, etc. Direct contact with a rotating drive shaft
can cause serious personal injury and/or damage to the system.
Obtain the following hoses of the necessary length for the installation of the A.C.
Modular Generator System ONLY!
5. Note: See XRT manual for rescue tool system hose requirements:
a) Pump inlet hose: 1” SAE 100R1AT-16 hose (use Parker hose ends P/N 10643-
16-16). Note: Maximum hose length is 20’.
b) Pump outlet hose (LI-15): 1/2” SAE 100R9AT-8 4000 PSI rated hose (use
Parker 10643-8-8 hose ends or equivalent). Note: Maximum hose length is 20’.
Pump outlet hose (LI-20/25): 1/2”, 6000 PSI rated hose (use Parker P/N 701-8
Hose with Parker 1JS70-8-8 hose fittings or equivalent). Note: Maximum hose
length is 20’.
c) Pump case drain hose: 5/8” SAE 100R1AT-10 (use Parker hose ends, part
number 10643-10-10). Note: Maximum hose length is 20’.
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A. C. MODULAR GENERATOR SYSTEM
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WARNING:
Do not install hose ends until proper hose length has been determined.
Never install a hose in a location where it will rub against an abrasive surface or
sharp edge or corner.
Do not position hoses with tight bend radii. Consult the hose manufacturer’s
installation guidelines. Tight bends may kink and cause serious damage to the
system and will void the system’s warranty.
Use caution when tightening the hose ends to prevent the hose from becoming
twisted.
Never install a 90° fitting at the pump inlet or outlet. Avoid the use of flow
restricting fittings.
Do not form loops in the hose that may collect air or kink. Run hoses as straight as
possible (but not taut) between connections.
Do not exceed hose lengths of 20 feet.
6. SPS models LI-15, LI-20, and LI-25 can be mounted on top of a vehicle, in the
open, without requiring any additional coverings. Reference Figure 3, Figure 4 and
Figure 5 for the minimum clearances around the perimeter of the generator tray
assembly. Also, do not position any obstructions directly in front of the system’s oil
cooler. If the system cannot be installed without maintaining the minimum
clearances as indicated, or if you have any questions relative to the installation of
these systems, contact Smart Power® Systems at (231) 832-5525.
WARNING:
reservoir and the other rescue tool components. Reference the
XRT manual for further instructions PRIOR to installation.
Additional considerations must be made for mounting the XRT
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A. C. MODULAR GENERATOR SYSTEM
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Bottom view of LI-15, LI-20, and LI-25 tray assemblies showing minimum clearance
for proper ventilation and the three possible air vent options (LI-20 shown)
Figure 3
Front view of LI-15, LI-20, and LI-25 tray assemblies showing tray dimensions and
minimum clearance for proper ventilation (LI-20 shown)
Figure 4
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A. C. MODULAR GENERATOR SYSTEM
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Side view of LI-15, LI-20, and LI-25 tray assemblies showing tray dimensions and
minimum clearance for proper ventilation
Figure 5
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WARNING:
Do not mount the hydraulic pump or tray assembly in any location that is not well
ventilated. External heat sources elevating the hydraulic fluid and/or the generator
temperature will result in premature wear and degraded system performance and
void the system’s warranty.
7. The tray assembly must be mounted in a position that is higher than the pump. If
the pump inlet hose is 10’ in length or less, the tray and reservoir assemblies must
be a minimum of 12” higher than the pump. If the pump inlet hose is longer than
10’, elevate the tray and reservoir assemblies an additional 12” for every additional
10’ of pump inlet hose length. See below for examples of minimum tray assembly
elevations above the pump:
Pump inlet hose length
Minimum tray and reservoir elevation
(above pump)
0 – 10 ft. 12 inches
15 ft. 18 inches
20 ft. 24 inches
8. Locate a position to mount the SPS Comm and & Control Center . The ideal location
for the Command & Control Center will be in an area that is easily seen and
accessed by the generator operator. When the generator system is in use, the
Command & Control Center will continuously show the status of the generator,
including faults (warnings) if they occur. The Command & Control Center can also
be used to engage and disengage the generator. The Command & Control Center
is water sealed, and operates on low voltages so pump house mounting is
permissible. A 15 ft. water sealed harness is provided to connect the Command &
Control Center to the system controller mounted within the generator tray assembly.
See Figure 6 for the dimensions of the Command & Control Center.
4.25
1.375 .45
4.25
Command & Control Center, P/N 1500047C
Figure 6
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A. C. MODULAR GENERATOR SYSTEM
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Installation Guide
For A.C. Modular Generator System (Reference XRT Manual for Installation Guide of
rescue tool pump system)
1. Mount the pump securely to the Power Take-Off (PTO). This may require attaching
a mounting bracket to the PTO housing prior to mounting the pump.
WARNING:
Always mount the hydraulic pump in a position with the pump controls up.
Mounting the pump in any other orientation will not allow hydraulic fluid in the
pump to reach the correct level before starting, causing premature wear of the
pump, thus voiding the system’s warranty. The pump and undercarriage
components will corrode if they are left unprotected. It is advisable to paint them
before completing the installation.
2. Locate and bore mounting holes for generator tray assembly as shown in Figure 7.
Maintain minimum clearances as indicated in Figure 3, Figure 4 and Figure 5.
Hole pattern for mounting LI-15, LI-20, and LI-25 tray assemblies (LI-20 shown)
Figure 7
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3. Mount the tray assembly as high as possible within the structure of the vehicle. The
ideal location for the generator is at the top of the truck in the dunnage area. The
manufacturer must also take sufficient precautions to ensure that the generator is
not mounted in the path of the deck gun/water cannon.
4. Mount the hydraulic generator tray securely to vehicle. Secure the generator to the
floor of the enclosure using mounting hardware (not included), as shown in Figure
8.
1/2-13UNC Screw
1/2” Flat Washer Generator Tray
Dunnage Area
Floor
1/2” Flat Washer 1/2” Lock Washer
1/2-13UNC Nut
Figure 8
WARNING:
Never mount the Generator on its side or upside down. Always mount the generator
upright with its base horizontal. Improper mounting will lead to poor performance
and damage to the system and will void the system’s warranty.
Never operate an AC modular generator system that is not secured in place;
damage will result.
Do not mount the hydraulic pump, cooler/fan assembly or tray assembly in any
location that is not well ventilated. External heat sources elevating the hydraulic
fluid and/or the generator temperature will result in premature wear and degraded
system performance and void the system’s warranty.
5. If desired, reservoir and cooler/fan assemblies can be remote mounted. Contact
Smart Power Systems at (231) 832-5525 to review remote mounting applications
and to order remote mounting kit, PN 1500065.
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A. C. MODULAR GENERATOR SYSTEM
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LI-15, LI-20, and LI-25 tray assemblies disassembled into base tray assembly (with
diamond plate cover added), cooler/fan enclosure and reservoir
Figure 9
6. Mount Command & Control Center:
a. Create hole pattern as shown in Figure 10.
b. Mount Command & Control Center to vehicle using #10 stainless steel
fasteners.
c. Connect Command & Control Center to system controller unit using p/n
3722004 harness.
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A. C. MODULAR GENERATOR SYSTEM
Page 20 of 54
3.375
1.688
1.688
3.375
.208
CLEARANCE HOLE
FOR #10 SCREW
4 PL.
2.000
Hole pattern for Command & Control Center
Figure 10
7. Flush the hoses with fresh hydraulic fluid (Dexron III). Install hoses and tighten hose
ends, using the Hose Installation Guidelines. See Figure 11 for connection
locations.
WARNING: The XRT rescue tool pump uses a different hydraulic fluid see the
XRT manual for more information.
Smart Power® Systems
A. C. MODULAR GENERATOR SYSTEM
Page 21 of 54
Hose connection locations for LI-15 tray assembly
Figure 11A
Hose connection locations for LI-20, and LI-25 tray assemblies (LI-20 shown)
Figure 11B
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A. C. MODULAR GENERATOR SYSTEM
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WARNING:
ever operate the system with the pump case drain plugged. Damage to the pump
N
seals will result. To do so will void the system’s warranty.
ubricate hose fitting o-rings ONLY on the A.C. modular generator system with
L
clean hydraulic fluid (Dexron III) before installation to prevent damage to them.
Hose Installation Guidelines
For A.C. LYModular Generator System ON !
ote:N See XRT manual for rescue system hose installation guidelines
ever install a hose without first flushing it with clean hydraulic fluid to remove any
N
debris.
ever install a hose in a location where it will rub against an abrasive surface or
N
sharp edge or corner.
o not position hoses with tight bend radii. Tight bends may kink and cause
D
serious damage to the system. Consult the hose manufacturer’s guidelines when
installing hoses.
se caution wheU
n tightening the hose ends to prevent the hose from becoming
twisted.
ever insN
tall a 90° fitting at the pump outlet or inlet.
ever use an inlet line fitting less than 1”. N
ever install a hose tightly between connections. Leave length for the hoses toN
expand.
o not foD
rm loops in the hose that may collect air or cause kinking. Run hose as
straight as possible (but not taut) between connections.
o keep debris out of hoses while being positioned, coveT
o not bundle installed hoses tightly together with banding. HoD
r the ends.
ses must have
freedom to expand.
o not operate the system with external stD
resses applied to the hydraulic hoses.
The A.C. modular hydraulic system generates hydraulic pressure approaching 5000
psi. A ruptured hose may result, causing personal injury or damage to the system.
D t
o no put any substance into the reservoir other than clean, fresh Dexron III
hydraulic fluid. Doing so will void the system’s warranty.
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A. C. MODULAR GENERATOR SYSTEM
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8. Connect the vehicle’s breaker panel to the generator output. The generator is pre-
wired to supply 120/240 VAC, with the generator frame bonded to ground. Route
the generator output conduit/wiring to the breaker panel, and carefully cut the
conduit to length without cutting the wire insulation. A conduit connector has been
provided to connect the conduit to the breaker panel. Connect the (4) four
generator output wires to the breaker panel as follows (see Figure 2 for electrical
schematic and wiring diagram):
Phase A: Black wire (120 VAC)
Phase B: Red wire (120 VAC)
Neutral: White wire
Ground: Green wire
To completely utiliz e the generator’s output capabilities, the 120 VAC loads must be
equally divided between the generator’s two main windings. Before wiring the
vehicle, calculate the wattage of each 120 VAC load that will be connected to the
generator. Next, create two groups of loads based on total wattage (add the
individual wattage of each load together). Exchange loads between the two groups
until the total wattage of the two groups is as close as possible to being equal. Wire
the system with one group connected to Phase A (BLACK) and neutral, with the
other group connected to Phase B (RED) and neutral.
WARNING:
To ensure proper voltage regulation, during the operation of generator system, the
load difference between Phase A and Phase B must never exceed 20%. Damage to
generator system caused by operating it with an unbalance load will void the
system’s warranty.
Wiring of the A.C. modular generator system and electrical distribution throughout
the vehicle must be done in accordance with applicable sections in the National Fire
®
Protection Association’s document NFPA 1901, the National Electrical Code
and/or
other applicable, recognized electrical code and by a certified electrician.
Smart Power
®
Systems’ A.C. modular generators are supplied with the neutral
bonded to ground. Refer to National Fire Protection Association’s document NFPA
1901, National Electrical Code®, and/or other applicable recognized electrical codes
before wiring an SPS A.C. modular generator system.
Never wire any loads to the generator’s output without a circuit breaker in series
with the load. Damage to the generator, to the components within that circuit,
electrical shock, or fire may result if a short occurs in an unprotected circuit. Run
all 120 VAC and 240 VAC electrical connections between the generator and the
distribution panel in conduit. Bypassing the SPS factory installed breaker will void
the system’s warranty. Replacement breakers must be obtained from Smart Power
®
Systems approved sources only.
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A. C. MODULAR GENERATOR SYSTEM
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Do not perform any wiring installations or modifications while the system is
operating. The A.C. modular generator system will generate enough voltage to
produce a fatal shock.
Never touch any live connections while the system is operating.
9. Connect 12 VDC (vehicle battery positive) to the generator’s system controller input
(reference Figure 2). Connect the RED wire from the system controller, marked
“Vehicle +12V supply” to the vehicle’s ignition circuit through a 30 amp fuse.
Connect the BLACK wire to the vehicle’s ground (vehicle battery negative).
WARNING:
12 volts DC must be directly applied to the generator system controller whenever
the hydraulic pump is engaged. Failure to do so may cause excessive fluid
temperature, damaging the system components and will void the warranty.
Never come near a running fan with loose items such as long hair, clothing, jewelry,
ties, items that can fall out of pockets, etc.
Never operate the system with fan disabled or removed. System over-heating will
result and this will void the system’s warranty.
Improper wiring of the generator system to the vehicle may discharge the vehicle
battery, cause a fire, or cause improper operation of the generator system.
10. Bleed air from the A.C. modular generator hydraulic system:
WARNING: Verify XRT system has been completely installed and filled with
hydraulic fluid prior to engagement of A.C. modular generator.
(Reference installation check list in XRT manual).
a. Turn off the generator’s main power breaker. See Figure 12.
b. Open the case drain hole on the pump by removing the plug. See Figure 30.
c. Fill the Gen-set reservoir with fresh Dexron III hydraulic fluid until the sight
gauge is full. As hydraulic fluid begins to fill the hoses, maintain the level of fluid
in the reservoir until hydraulic fluid begins to flow from the case drain hole on the
pump. Replace the case drain hole plug.
d. Start the vehicle and allow the engine to idle.
e. Ensure the generator purge option is enabled.
Note: The generator is shipped from the factory with the purge option enabled.
The system controller has been designed to provide a purge option. With this
option applied, the generator will turn at a reduced speed to minimize wear to
the system’s hydraulic components while purging air from the system. Once
enabled, the purge option will remain set until automatically reset by the system
Smart Power® Systems
A. C. MODULAR GENERATOR SYSTEM
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controller. The system controller will reset the option once the following two
conditions are met:
1. The hydraulic system has been purged for a total of at least 30 minutes.
2. Of those 30 minutes, at least 20 occurred with the generator on.
Main power breaker (LI-20 Breaker shown without protective boot)
Figure 12
WARNING:
Never operate the system without the filler/breather plug installed. Contaminants
may enter the hydraulic fluid through the filler opening, causing premature wear on
the hydraulic components and void the system’s warranty.
Never apply a load to the generator while there is air trapped in the hydraulic fluid.
Damage to the system’s hydraulic components, as well as ruptured hoses, may
result and void the system’s warranty.
Always run the purge cycle after installation, after replacing the hydraulic fluid and
the filter, or after making any other repairs that may allow air into the hydraulic
system. Failure to do so will void the system’s warranty.
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Enabling System Purge Option
The purge option can also be set by performing the following steps:
Step 3: Hold Mode
until Amps Line 1
Blinks 88. Release
switch so 0Pt
appears.
Step 5: Press On/Off
until y appears.
Step 4: Press mode to
make Pvrg appear.
Figure 13
1. If the Command & Control Center is dark, press the Mode switch to put
the display into Normal mode.
2. If the Display looks like Figure 13, The purge option is enabled.
3. Otherwise, press and hold the Mode switch until the Amps Line 1 field
begins blinking 88 (more than 10 seconds). Release the switch so 0Pt
appears. Reference Figure 13.
4. Press (and release) the Mode switch until PvrG appears.
5. Press the On/Off switch until a y appears, indicating Purge option is
Active.
6. Return to system purge display by pressing the Mode switch repeatedly
until the screen shown in Figure 13 is displayed. Purge will still be active.
Indicates whether the
generator is 0n or 0ff
Example of display with purge option set
Figure 14
f. Engage the Power Take-Off (PTO). (Note: Pump may sound rough for a few
minutes due to entrapped air.) Make sure the Command & Control Center
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A. C. MODULAR GENERATOR SYSTEM
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displays the string “0FF” as shown in Figure 14, press the On/Off switch to turn
the generator off, if needed.
g. Check for hydraulic fluid leaks, all hose connections must be tight. Monitor the
hydraulic fluid level in both the A.C. modular generator system and the
XRT system, adding fluid to both as needed.
WARNING: The A.C. modular generator system and the XRT rescue tool pump
use DIFFERENT hydraulic fluids. ONLY the A.C. generator system
uses Dexron III hydraulic fluid. Reference the XRT manual for hydraulic fluid
information for the XRT rescue tool pump .
h. After 10 minutes, the system controller will automatically switch the generator to
“0N”. Check to see that the generator is turning (The frequency display should
indicate 0n). If it is not, press the On/Off switch on the Command & Control
Center to start the generator.
i. After the generator has been operated for 20 minutes with the generator on, the
system controller will automatically disable the purge option.
Verify that the generator’s output frequency is 59-63 Hz. If the frequency is not
within that range, contact Smart Power Systems at (231) 832-5525 for more
information.
11. Prior to applying full load, and after the oil temperature is above 100°F verify proper
operation of the cooler fan by feeling for airflow being pushed out of the tray
assembly. If the air is not being pushed through the cooler face contact Smart
Power® Systems at (231) 832-5525 for more information. Also verify that the air
passing through the cooler and the fan is not restricted.
WARNING:
The SPS Model LI-15, LI-20, and LI-25 have been pre-set at the factory to provide
correct frequency and voltage. No
pump needs to be adjusted, contact Smart Power
pump adjustment is required. If it appears the
®
Systems at (231) 832-5525 before
proceeding. Damage to generator from improper pump adjustment will void the
system’s warranty.
Improper ventilation will result in system overheating, reduced performance and
possible damage to the system and/or cause personal injury. If the system is
installed such that improper ventilation exists, the system’s warranty will be voided.
A. C. MODULAR GENERATOR SYSTEM
12. Set “auto-start” option.
If the auto-start option is enabled, the generator will begin generating electricity
whenever the PTO is engaged. If the auto-start option is disabled, the generator
will not output electricity after PTO engagement until the “on/off” switch is pressed.
Select the auto-start function by performing the following steps:
Step b: Hold Mode until
Amps Line 1 Blinks 88.
Release switch so 0Pt
and AStr appe ar.
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Step c: Press On/Off
until the desired value
appears
Figure 15
Enabling Auto-Start Option
a. If the Command & Control Center is dark, press the Mode switch to put the
Command & Control Center into Normal mode.
b. Press and hold the Mode switch until the Amps Line 1 field begins blinking 88
(more than 10 seconds). Release the switch so 0Pt and AStr appear.
Reference Figure 15.
c. Press the On/Off switch until the desired value appears. A y means Auto-Start
is enabled, an n means Auto-Start is disabled.
d. Return to Normal mode by pressing Mode.
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Operation
For A.C. Modular Generator System
(Reference XRT Manual for Operation Instructions of rescue tool pump system)
1A. The Command & Control Center will show the generator’s output voltage,
frequency, current, and system run time whenever the Command & Control Center
is in the Normal mode. To access Normal mode, press the Mode switch repeatedly
until the correct information is displayed (reference Figure16A).
Example of Command & Control Center in Normal Mode
Figure 16A
1B. When system current draw is 100 amps or more, the current will be displayed in the
‘HOURS’ window instead of the AMPS window. The designator ‘L1’ or ‘L2’ will be
shown in the corresponding AMPS window (reference Figure16B). If BOTH L1 and
L2 are over 100 amps, then each of the two currents will be alternately, over about
3 seconds, shown in the HOURS window.
Example of Command & Control Center in 100+ AMP Mode
Figure 16B
2. The PTO driving the SPS hydraulic pump must be engaged for the system to
generate electricity.
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A. C. MODULAR GENERATOR SYSTEM
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3. The Command & Control Center is equipped with two Smart Touch® switches,
labeled “Mode” and “On/Off” respectively. These switches do not require pressure
to be activated, but instead sense the presence or absence of your fingertip. The
decimal points in the “Amps Line 1” and “Amps Line 2” fields of the Command &
Control Center are used to indicate the status of the Mode and On/Off switches
respectively (reference Figure 17).
Mode Switch Status Light
On/Off Switc h S tatus Light
Switch Status Lights
Figure 17
Normally, the status lights will be off. When a switch is pressed, the
corresponding light will be illuminated. When a status light is flashing, the
corresponding switch is calibrating, and the switch should not be pressed.
The system controller will ignore the switch while it is calibrating.
4. If the system controller is powered on, but the generator is not running and no
buttons are pressed for 5 minutes, the system will enter Quiescent mode. In
Quiescent mode all displays are blank to conserve power. To return to Normal
mode from Quiescent mode, press the Mode switch.
5. Whenever the PTO is engaged and the system controller is in Normal or Quiescent
mode, the generator can be switched from an “off” state to an “on” state, and viseversa, by pressing the “on/off” switch on the Command & Control Center. If the
PTO is not engaged or the hydraulic pressure is too low when the “on/off” switch is
pressed, the following screen will be displayed (reference Figure 18):
Example of low hydraulic pressure display
Figure 18
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A. C. MODULAR GENERATOR SYSTEM
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6. If the system controller has been set to “auto-start”, the generator will begin to
produce power whenever the PTO is engaged. See installation instructions for the
directions to select the “auto-start” options.
7. Additional Information provided by the Command & Control Center:
a. When the Command & Control Center is in Normal mode, pressing the Mode
switch once will display the oil temperature (reference Figure 19).
Displayed Oil
Temperature in degrees
Fahrenheit
Example of oil temperature display
Figure 19
b. When the Command & Control Center is in Normal mode, pressing the Mode
switch twice will cause the amount of time since the oil filter was last changed to
be displayed (reference Figure 20):
Time Since last Oil Filter
Change in Hours.
Example of oil filter run time display
Figure 20
c. When the Command & Control Center is in Normal mode, pressing the Mode
switch three times will cause the configuration of the generator system controller
to be displayed. The “LI” indicates the controller is configured to run a
Liberator
™
system, and the number displayed corresponds to the maximum
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A. C. MODULAR GENERATOR SYSTEM
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power output (electrical PLUS hydraulic) of the system in kilowatts (reference
Figure 21).
The LI indicates the system
controller is configured to
operate an LI-series
Generator
The system controller is
configured to operate a generator
whose maximum output is this
number (in kW).
Example of configuration display
Figure 21
d. If there are no active faults, pressing the Mode switch once more will return the
Command & Control Center to its normal mode. If there are active faults, they
will be displayed in succession, one each time you press the Mode switch.
See Diagnostics in the trouble shooting section for more information on faults.
8. Alarms, Shutdowns and Overrides provided by the Command and Control Center
The following is a list of diagnostic faults displayed by the Command and Control
Center that will cause an automatic shutdown of the system (see the Diagnostic
Faults section of this manual for a complete list of diagnostic faults.):
a. OIL HOT. If the system measures a hydraulic oil temperature that exceeds
175°F (79°C), the system will begin displaying an alarm. If the system
measures a hydraulic oil temperature that exceeds 180°F (82°C), the generator
will automatically shut down in 30 minutes unless the shutdown is overridden. If
the temperature of the hydraulic oil reaches 220°F (104°C), the system will
immediately shut down (above 220°F (104°C) the shutdown cannot be
overridden).
b. OIL LO. If the system detects an insufficient level of hydraulic fluid in the
reservoir, it will begin displaying an alarm. The generator will automatically be
shut down in 30 minutes unless the shutdown is overridden, or the fault is
cleared by adding sufficient fluid.
c. Unb LOAD. If the system measures an electrical load imbalance between Line1
and Line 2 of more than 20% of the system’s total wattage rating, the generator
will automatically shut down in 30 minutes unless the shutdown is overridden.
See Step 7, of the “Installation Guide” for more information on balancing loads
applied to the generator.
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d. HI Curr. If the system measures a continuous current draw exceeding the
generator’s maximum output rating, the generator will automatically shut down in
30 minutes unless the shutdown is overridden.
e. bAd uoLts. If the system measures an output voltage that is too low or too high
the generator will automatically shut down in 30 minutes unless the shutdown is
overridden.
f. Bad tSnS. If the system detects a faulty temperature sensor, the generator will
automatically shut down in 30 minutes unless the shutdown is overridden.
g. OIL FILt. If the oil filter service warning is ignored, and the oil filter is not
changed following the procedure outlined in the “Maintenance Instructions”
section of this manual, the generator will automatically shut down in 30 minutes
unless the shutdown is overridden.
WARNING:
Overriding an automatic system shutdown may result in permanent damage to the
system and/or degrade the system’s performance.
Overriding an automatic system shutdown may void warranty. The system’s
electronic controller records whenever an override function is performed. Always
avoid overriding a shutdown if possible.
9. The following is an example of how an automatic shutdown can be overridden. This
example describes how to override an OIL HOT shutdown, but the override
procedure is the same for all the above listed diagnostic faults:
Step a: Press Mode to
cause rvn and the y and
n labels to appear.
Step b: Press On/Off to
answer “yes” and make
the next screen appear.
Example of Command & Control Center in hot oil fault override
Figure 22
a. From the Normal mode display, press Mode, as if you wanted to display the oil
temperature. The screen shown in Figure 22 will be displayed instead, asking if
you want to “Run hot.” This screen will also be displayed if you attempt to start
the generator with the condition present.
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b. Note the y and n labels below the Mode and On/Off switches. Press the On/Off
switch to answer “yes” and proceed to the next screen, or press Mode to answer
“no” and proceed to the oil temperature display.
Step c: Press On/Off to
answer “yes” and
override the shutdown.
Example of Command & Control Center
in hot oil fault override confirmation
Figure 23
c. If your answer was “yes” in the previous step, the confirmation screen shown in
Figure 23 will be displayed. Again note the y and n labels below the Mode and
On/Off switches. Press the On/Off switch to answer “yes” and override the
shutdown. Press Mode to answer “no” and proceed to the oil temperature
display.
Note: If you override the system and command it to operate at oil temperatures
above 175°F, the system output power may degrade and you will void the
system’s warranty.
Special Operating Instructions
For A.C. Modular Generator System
Cold Weather Procedure:
It is strongly recommended that the generator PTO be engaged prior to leaving a heated
garage or fire station in cold weather. The system will generate enough heat to keep its
hydraulic fluid viscosity low enough for proper operation, in all but the most extremes of
low ambient air temperatures.
If the generator system is “started” when the hydraulic oil temperature is below 40°F, the
following message will be displayed on the Command & Control Center (reference Figure
24):
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A. C. MODULAR GENERATOR SYSTEM
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Message advising the
oil is cold (less than
40°F)
Measured oil
temperature in
degrees fahrenheit
Example of Command & Control Center
when operating with cold hydraulic fluid
Figure 24
Operating Modes when the system START button is activated (or when the system is in
“autostart”):
• When the meter displays hydraulic oil temperatures below 20°F, the hydraulic
system will bypass the generator motor and the generator will not produce
power. This mode warms the hydraulic oil.
• When the meter displays hydraulic oil temperatures between 20° and 40°F, the
generator rotor will turn at a reduced RPM and the generator will not produce
power. This warms the hydraulic oil to 40°F.
• When the meter displays hydraulic oil temperatures that exceed 40°F, the
system will then commence full power generating operations.
Maintenance Instructions
For A.C. Modular Generator System
(Reference XRT Manual for Maintenance Instructions of rescue tool pump system)
WARNING:
Do not perform maintenance while system is running.
1. Perform regular, periodic checks to verify:
a. The cooler, the cooler fan and generator vents are not plugged by debris.
b. There are no fluid leaks within the framework of the generator, along the hoses,
or at the pump.
c. The hoses are not cut, chaffed, bulged or kinked.
d. That no electrical connections are loose.
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e. That the hydraulic fluid level in the reservoir is between ½ to ¾ full in the sight
gage and the hydraulic fluid is clean and bright red in color.
f. That the bolts mounting the pump to the PTO are not loose.
g. If the hydraulic fluid appears dirty or black in the reservoir sight gage, replace
the fluid and filter immediately. Also, if the hydraulic fluid sustains a temperature
over 175° F, replace the fluid immediately. Oxidation can occur naturally over
time and can be accelerated with over temperature operation, affecting
generator output. Always change the filter when the hydraulic fluid is changed.
WARNING:
When adding or replacing hydraulic fluid, always use clean, new Dexron III fluid.
Do not power wash the generator. Doing so will void the system’s warranty.
Do not allow liquid to enter the generator.
If the outside of the generator requires cleaning, wipe surface with a damp cloth.
Clean the Command and Control Center using soap and water with a soft cloth only.
Improper cleaning, handling and use that may scratch, gouge, chip, fade or
otherwise damage the metallic coating and display surfaces are not covered under
the device warranty.
2. Replace the oil filter after every 250 hours of operation, or every three (3) years
(whichever comes first). Use Dexron III fluid and one of the following filters:
Hydac 0085 MA010 P
Lubricate the oil filter gasket with Dexron III before installation to permit
proper sealing of the filter.
WARNING:
Do not by-pass the filter or alter filtration plumbing in any way. Doing so will void
the system’s warranty.
3. The system controller automatically records the time from the previous filter change.
The hours since the previous filter change can be accessed using the Command &
Control Center by pressing the Mode switch until the following screen appears
(reference Figure 25):
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Press Mode until FLt
and Xr are displayed
Time Since last Oil Filter
Change in Hours.
Example of oil filter run time display
Figure 25
4. The Command & Control Center will flash a fault when 250 hours have passed
since the previous filter change. After replacing the filter, this fault can be removed
from the Command & Control Center, and the filter run time can be reset by
performing the following steps:
Step a: Press Mode until InF,
0IL, and FILt appear.
Procedure will also work
in the Oil Filter Hours
Information display
a. Press the Mode switch repeatedly until one of the screens shown in Figure
appears.
b. While holding the Mode switch down, press and release the On/Off switch three
times in succession, then release the Mode switch. The Oil Filter Fault display
Step b: Hold Mode switch
down and press On/Off three
times in a row to clear the
fault.
Example of oil filter service warning display
Figure 26
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A. C. MODULAR GENERATOR SYSTEM
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will be removed and replaced by another screen. The fault has been cleared
and the timer reset.
c. When the fault has been cleared, the system automatically enters purge mode
to purge any entrapped air from the hydraulic lines (see Figure 13). The system
must be purged for 30 minutes, 20 of which must be with the generator ON.
Turn off the main power breaker during purge (see Figure 12). While purging,
the system will not produce usable electrical power.
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Troubleshooting Guide
For A.C. Modular Generator System
(Reference XRT Manual for Troubleshooting Guide of rescue tool pump system)
Diagnostic:
The Command & Control Center will display certain faults that can assist a service
technician in trouble shooting a problem with the generator system. When these faults
occur, the fault message will periodically flash on the Command & Control Center,
interrupting the normal display. Reference Figure 27 for an example of an over-current
fault.
The faults can also be accessed by repeatedly pressing the mode switch. After displaying
the oil temperature, oil filter time, and configuration, the next display will be the first active
fault. Each time the Mode switch is pressed; the next fault will be displayed. When there
are no more faults to display, the Command & Control Center will return to Normal mode.
Example of high current in Line 1 fault display
Figure 27
Smart Power® Systems
A. C. MODULAR GENERATOR SYSTEM
Diagnostic Faults:
The following is a list of the diagnostic faults, with a brief explanation of each.
String Class Meaning
uLu CTrL
xI Cvrr
bAd (r 1
bAd (r 2
bAd uoLT
OIL xoT
OIL xoT
Add 0IL L0
OIL xoT
bAd Ind
bAd tSnS
bAd ALrt
bAd dISP
LS FAn
0IL FILT
UNB LOAD
Alarm The control valve feedback is invalid, indicating the system is not
under control. Voltage and/or Frequency may be out of
specifications.
Override Over-current condition. The line in which the over-current
condition exists is indicated by the location of the “xI” string: If in
the “Amps Line 1” field, the over-current is in line 1; If in the
“Amps Line 2” field, the over-current is in line 2.
Alarm Current sensor fault on line 1. The indicated current may be
incorrect.
Alarm Current sensor fault on line 2. The indicated current may be
incorrect.
Override Voltage Sensor Fault. The indicated voltage may be incorrect.
Alarm Oil temperature is getting too high (>175° F). Measured
Temperature in the “Hours” field
Override Oil Temperature is too high (>180° F). Measured Temperature
in the “Hours” field.
Override Oil level in reservoir is low. Add oil to clear the error.
Shutdown Oil Temperature dangerous (>220° F). Measured Temperature
in the “Hours” field.
Alarm Indicator Light Ground Fault. The indicator light may not
function properly.
Alarm Temperature Sensor Fault. The indicated oil temperature may
be incorrect.
Alarm Buzzer Ground Fault. The audible alert buzzer may not function
properly.
Alarm Display Ground Fault. The Command & Control Center may not
operate properly.
Alarm Low Side Fan Short. The Fan may not operate properly
Service
Warning /
Override
Override There is an electrical load imbalance of more than 20% of the
Service Warning: Change the Oil Filter
systems’ rating between Line 1 and Line 2
Page 40 of 54
Table 2
Smart Power® Systems
A. C. MODULAR GENERATOR SYSTEM
Note: The fault “Classes” are defined in the table below:
Class Meaning
Service Warning
Alarm
Shutdown
Override
Hydraulic Problems:
1. Cavitation:
Cavitation is caused by trying to pump more fluid than is available at the
pump inlet due to system restrictions. Pump cavitation sounds like “marbles”
passing through the pump. Conditions frequently associated with cavitation are the
following:
a. Too many restrictive fittings such as elbows and reducers on the pump inlet
hose.
b. Tight bends or kinks in pump inlet hose and/or tubing.
c. Insufficient tray height above the pump, resulting in low head pressures.
d. Under sized pump inlet hose (minimum pump inlet hose size is 1”).
e. Excessively long inlet hose (may be corrected by using larger hose).
f. Cold hydraulic fluid.
Finding the cause and correcting it should stop cavitation.
Install a 0-25 psig gauge in line between inlet hose fitting and pump inlet port.
Engage PTO. Operate genset with no load for twenty minutes to purge air out of
the system. Observe the pressure reading. The pressure should always be
positive. If the pressure is not positive, system repair/rework is required.
2. Aeration:
Aeration results from air being drawn into the system through leak paths or a
low fluid condition. Aeration makes a “growling” sound and produces visible
bubbles in the fluid stream and/or reservoir. Conditions frequently associated with
aeration are the following:
a. Air leaks in the pump inlet flow path.
b. Low fluid level allowing air to be drawn into the system.
Verify there are no air bubbles in the fluid by viewing inside the reservoir. If there
are air bubbles, check fluid level, tighten all fittings, and look for cracked fittings or
hose leaks on the pump inlet line. Replace any suspect parts and adjust fluid level.
Normal maintenance needs to take place.
A condition requires the immediate attention of the operator.
A condition causes the immediate shutdown of the generator.
A condition that will cause the generator to be shut down in 30
minutes unless explicitly overridden by the operator.
Table 3
Page 41 of 54
A. C. MODULAR GENERATOR SYSTEM
After correcting any problems, again operate the generator twenty minutes to purge
air out of the hydraulic fluid. Note that any bubbles seen in the reservoir indicate
leakage in the pump inlet line.
3. Differential Pressure:
Differential pressure between the inlet pressure and the case pressure over 7
psi causes the piston shoes to lift off the swash plate. This occurs due to the
excessive lower pressure created on the fill (down) stroke of the piston. When the
swash plate begins its upstroke, with pump rotation, it comes back into contact with
the piston shoe, creating chatter.
NOTE: This is NOT NORMAL. The piston shoes should always remain in contact
with the swash plate. The causes of and correction for this problem are the same
as for cavitation above.
With the pressure gauge still installed in the suction line at the pump inlet port,
install a second gauge (0-50 psig pressure gauge) in the case drain line at the
pump case port. Next, engage the PTO and operate the genset with no load for
twenty minutes to purge air out of the fluid. Note both gauge readings. If the
differential pressure at the case is greater than 7 psig, the suction side plumbing will
require evaluation.
Note the following pressure measurements!
Inlet pressures: Should always be positive.
Outlet pressure: Approximately 500 psig with no load on the generator. Note: If
the gauge is fluctuating, record limits.
Case drain pressure to inlet pressure differential: The difference between
pump inlet pressure and case drain pressure should not exceed 7 psig. Pump inlet
pressure minus case drain pressure should never be less than 7 psig.
Verify the installation of the following hydraulic generator hose diameters:
a. Inlet hose (suction) on hydraulic pump (attaches to Port “S” on back of pump): 1
inch
b. Outlet hose (pressure) on hydraulic pump (attaches to Port “B” on back of
pump): 1/2 inch
c. Case drain to hydraulic pump (attaches to Port “L” top side, mid-length of pump):
5/8 inch
Note: The hose diameter appears in print along the length of the hose.
Smart Power® Systems
Page 42 of 54
Smart Power® Systems
A. C. MODULAR GENERATOR SYSTEM
4. System Overheating:
System overheating may be caused by re-circulation of hot air through oil cooler,
dirty or obstructed oil cooler fins, restricted hydraulic fluid flow, excessive generator
load, restricted airflow, previously overheated (old) fluid, non-functional fan, or
improperly adjusted pump.
a. Check the oil cooler fins for debris or damage. Clean and/or replace cooler.
b. Verify that the generator load is not excessive.
c. Verify that there is proper ventilation.
d. Verify that the DC fan motor is operating properly.
e. Verify that warm air from the fan outlet is not being re-circulated through the
cooler.
f. Check the hydraulic fluid to see if it is black or darkened. This indicates
overheating or aging. Drain and flush the system.
g. Fill with new, clean hydraulic fluid.
h. Adjust pump, if necessary, only after contacting Smart Power® Systems at (231)
832-5525.
5. Low Hydraulic Fluid Level In Reservoir:
Low hydraulic fluid level in reservoir can be caused by leaking fittings, hoses or
pipes.
a. Check all the fittings for leaks. Tighten any loose fittings that are found (but do
not over-tighten).
b. Replace defective fittings.
c. Check all tubing for leaks. Repair or replace as necessary.
Page 43 of 54
Smart Power® Systems
A. C. MODULAR GENERATOR SYSTEM
Page 44 of 54
Electrical Problems
1. No Output Voltage:
a. No output voltage may be caused by excessive current draw opening the circuit
breakers (the circuit breakers can be found mounted on the generator wiring
enclosure). Remove all electrical loads from the generator and reset breaker(s).
Re-engage electrical load in increments. If possible, monitor current draw with
the Command & Control Center to determine which portion of the load is
causing the breaker to open.
b. The PTO is faulty. Verify that the drive shaft that links the pump to the hydraulic
pump is spinning when the PTO is engaged. If the shaft is not turning, the
probable cause of the failure is a non-functional PTO. Contact the PTO
manufacture or qualified representative for further information.
c. The generator’s system controller has lost power (reference Figure 2). The
Command & Control Center would stay dark even after the mode and/or on/off
switch is pressed. Verify that the vehicle +12V supply has both +12 volts and
ground. If 12 volts is not available check the vehicle for a blown fuse or a
loose/open electrical connection.
d. The stator field may be shorted or open. Disconnect wires 1, 2, 3, and 4 from the
terminal strip located in the generator wiring enclosure and make a resistance
measurement. The resistance between wires 1 and 2, and wires 3 and 4 should
be essentially 0 ohms. Contact Smart Power® Systems at (231) 832-5525 if any
problems are found.
WARNING:
Do not attempt to measure stator field resistance while the system is operating.
Electrical shock may occur.
e. The exciter field may be shorted or open. Measure the resist ance of the exciter
field using an ohmmeter. The resistance of the exciter field should be
essentially 0 ohms. Contact Smart Power
®
Systems at (231) 832-5525 if the
resistance is significantly higher, or open.
WARNING:
Do not attempt to measure the exciter field resistance while the system is operating.
Electrical shock may occur.
f. The generator drive motor is faulty. Observe the generator while the system is
engaged. If it is not rotating, there may be a problem in the motor, or the motorto-generator linkage.
Smart Power® Systems
A. C. MODULAR GENERATOR SYSTEM
Page 45 of 54
g. The pump is faulty. If no faults are found in steps a. through g., the problem is
likely to be a non-functional pump. Contact Smart Power® Systems at (231)
832-5525 for further instructions.
2. Output voltage exceeds 260 volts or falls below 220 volts AC on a 240 volt
line:
a. Verify that the hydraulic system is not overheating by viewing the temperature
as displayed by the Command & Control Center. The temperature should not
exceed 175° F. If the temperature is greater than 175° F, follow instructions for
system overheating (see hydraulic problems).
b. The hydraulic pump speed may be too low. Verify that the hydraulic pump
speed is in the required range (see Table 1). Pump speed can be calculated by
multiplying the engine RPM by the PTO ratio. Adjust the engine speed or PTO
ratio if necessary.
c. The generator speed may be incorrect. The generator output should be
between 59-61 Hz. If it is not, contact Smart Power® Systems at (231) 832-5525
for further instructions.
d. If the problem is not detected by performing steps a. through c., contact Smart
Power® Systems.
3. Generator Noise:
Generator noise can be caused by defective generator bearings.
Contact Smart Power® Systems if bearings need replacement.
Smart Power® Systems (231) 832-5525
PARENT P/N DESCRI PTION
3600015A
3600015B
3600015C
3601015A
3601015B
3601015C
3610015A
3610015B
3610015C
3611015A
3611015B
3611015C
3600615A
3600615B
3600615C
3610615A
3610615B
3610615C
3601615A
3601615B
3601615C
3611615A
3611615B
3611615C
3600020A
3600020B
3600020C
GENERA TOR, LI-15/80c c R, SPL PUM P (S GL)
GENE RATOR, LI-15/80cc R, SPL P UMP (DUO)
GENERATOR, LI-1 5/80cc R, SPL PUMP (TRI)
GENE RATOR, LI-15/80cc R, KEY PUMP (SG L)
GENERA TOR, LI-15/80cc R, KEY PUMP (DUO)
GENE RATOR, LI-15/80cc R, KEY PUMP (TRI)
GENERA TOR, LI-15/80cc L, S P L PUMP (SGL)
GENERA TOR, LI-15/80cc L, SPL PUMP (DUO)
GENERA TOR, LI-15/80cc L, S P L PUMP (TRI)
GENERA TOR, LI-15/80c c L, KEY P UMP (S GL)
GENERA TOR, LI-15/80cc L, KEY PUMP (DUO)
GENERA TOR, LI-15/80cc L, KEY PUMP (TRI)
GENERA TOR, LI-15/80c c, R, SPL P UM P (THRU-DRIVE) (SGL)
GENE RATOR, LI-15/80cc, R, SP L PUMP (THRU-DRIVE) (DUO)
GENE RATOR, LI-15/80cc, R, SP L PUMP (THRU-DRIVE) (TRI)
GENERA TOR, LI-15/80cc, L, S PL PUMP (THRU-DRIVE ) (S GL)
GENE RATOR, LI-15/80cc, L, SPL PUMP (THRU-DRIVE ) (DUO )
GENERA TOR, LI-15/80cc, L, S P L PUMP (THRU-DRIVE) (TRI)
GENE RATOR, LI-15/80cc, R, KE Y PUMP (THRU-DRIVE ) (SGL)
GENERATOR, LI-1 5/80cc, R, K EY PUM P (THRU-DRIVE) (DUO )
GENERATOR, L I-15 /80cc, R, K EY PUMP (THRU-DRIVE ) (TRI)
GENERA TOR, LI-15/80c c, L, KE Y P UM P (THRU-DRIVE) (SGL)
GENE RATOR, LI-15/80cc, L, KEY PUMP (THRU-DRIVE) (DUO)
GENE RATOR, LI-15/80cc, L, KEY PUMP (THRU-DRIVE ) (TRI)
GENERA TOR, LI-20/80c c R, SPL PUM P (S GL)
GENE RATOR, LI-20/80cc R, SPL P UMP (DUO)
GENERATOR, LI-2 0/80cc R, SPL PUMP (TRI)
Smart Power® Systems
A. C. MODULAR GENERATOR SYSTEM
SPS Model Matrix
SPS MOD EL MATRIX LI SER IES
CENTER P/N
COMMAND & CONTROL
1500047C 3311052 8585055 8510106
1500047C 3311053 8585055 8510106
1500047C 3311054 8585055 8510106
1500047C 3311052 8585055 8510097
1500047C 3311053 8585055 8510097
1500047C 3311054 8585055 8510097
1500047C 3311052 8585055 8510107
1500047C 3311053 8585055 8510107
1500047C 3311054 8585055 8510107
1500047C 3311052 8585055 8510102
1500047C 3311053 8585055 8510102
1500047C 3311054 8585055 8510102
1500047C 3311052 8585055 8510124
1500047C 3311053 8585055 8510124
1500047C 3311054 8585055 8510124
1500047C 3311052 8585055 8510125
1500047C 3311053 8585055 8510125
1500047C 3311054 8585055 8510125
1500047C 3311052 8585055 8510126
1500047C 3311053 8585055 8510126
1500047C 3311054 8585055 8510126
1500047C 3311052 8585055 8510127
1500047C 3311053 8585055 8510127
1500047C 3311054 8585055 8510127
1500047C 3311052 8585060 8510128
1500047C 3311053 8585060 8510128
1500047C 3311054 8585060 8510128
CONTI NUED ON NEXT SHEET
XRT KIT P/N
TRAY ASM P/N
PUMP ASM P/N
RANGE
WR=WIDE RANGE
STD=STANDARD RANGE
WR 80 S R 30 1 10 5
WR 80 S R 30 2 10 5
WR 80 S R 30 3 10 5
WR 80 K R 30 1 10 5
WR 80 K R 30 2 10 5
WR 80 K R 30 3 10 5
WR 80 S L 30 1 10 5
WR 80 S L 30 2 10 5
WR 80 S L 30 3 10 5
WR 80 K L 30 1 10 5
WR 80 K L 30 2 10 5
WR 80 K L 30 3 10 5
WR 80 S R 30 1 10 5
WR 80 S R 30 2 10 5
WR 80 S R 30 3 10 5
WR 80 S L 30 1 10 5
WR 80 S L 30 2 10 5
WR 80 S L 30 3 10 5
WR 80 K R 30 1 10 5
WR 80 K R 30 2 10 5
WR 80 K R 30 3 10 5
WR 80 K L 30 1 10 5
WR 80 K L 30 2 10 5
WR 80 K L 30 3 10 5
WR 80 S R 30 1 15 5
WR 80 S R 30 2 15 5
WR 80 S R 30 3 15 5
Page 46 of 54
CC
SHAFT
PUMP DISP.
XWR=EXT ENDED WIDE RANGE
SHAFT ROTATION
K=KEYED S =SPLINE D (STD)
CC
MOTOR DISP.
R=CW (STD), L=CCW
# OF RESCUE TOOL OUTPUTS
(KILOWA TTS)
ELECTRICAL OUTPUT
HYDRAULIC OUTPUT ( KILOWATTS)
MANUAL P/N
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
PARENT P /N DESCRIP T ION
3601020A
3601020B
3601020C
3610020A
3610020B
3610020C
3611020A
3611020B
3611020C
3600620A
3600620B
3600620C
3610620A
3610620B
3610620C
3601620A
3601620B
3601620C
3611620A
3611620B
3611620C
3600025A
3600025B
3600025C
3601025A
3601025B
3601025C
GENERA TOR, LI-20/80c c R, KEY PUM P (S GL)
GENE RATOR, LI-20/80c c R, KE Y PUMP (DUO)
GENERA TOR, LI-20/80c c R, KEY PUM P (TRI)
GENERA TOR, LI-20/80c c L, SPL PUMP (S GL)
GENERA TOR, LI-20/80c c L, SPL PUMP (DUO)
GENERA TOR, LI-20/80c c L, SPL PUMP (TRI)
GENERA TOR, LI-20/80c c L, KEY P UMP (SGL)
GENERA TOR, LI-20/80c c L, KEY P UMP (DUO)
GENERA TOR, LI-20/80c c L, KEY P UMP (TRI)
GENE RA TOR, LI-20/80cc, R, SP L PUMP (THRU-DRIVE) (SG L)
GENE RA TOR, L I-20/ 80 cc, R, SPL PUMP (THRU-DRIVE ) (DUO)
GENE RATOR, LI-20/80c c, R, S P L PUMP (THRU-DRIVE) (TRI)
GENERA TOR, LI-20/80c c , L, SPL P UMP (THRU-DRIVE) (SGL)
GENE RA TOR, LI-20/80cc, L, SP L PUMP (THRU-DRIVE) (DUO)
GENERA TOR, LI-20/80c c , L, SPL P UMP (THRU-DRIVE) (TRI)
GENERATOR, LI-20/80cc, R, KEY PUMP (THRU-DRIVE) (SGL)
GENE RA TOR, L I-20/ 80 cc, R, KEY PUM P (THRU-DRIVE ) (DUO )
GENE RATOR, LI-20/80c c, R, K E Y PUMP (THRU-DRIVE ) (TRI)
GENERATOR, LI-20/80cc, L, KEY PUMP (THRU-DRIVE) (SGL)
GENE RA TOR, LI-20/80cc, L, KE Y PUMP (THRU-DRIVE ) (DUO)
GENERA TOR, LI-20/80c c , L, KEY P UM P (THRU-DRIVE) (TRI)
GENERA TOR, LI-25/80c c R, SPL PUMP (S GL)
GENERA TOR, LI-25/80c c R, SPL PUMP (DUO)
GENERA TOR, LI-25/80c c R, SPL PUMP (TRI)
GENERA TOR, LI-25/80c c R, KEY PUM P (S GL)
GENE RATOR, LI-25/80c c R, KE Y PUMP (DUO)
GENERA TOR, LI-25/80c c R, KEY PUM P (TRI)
Smart Power® Systems
A. C. MODULAR GENERATOR SYSTEM
SPS MOD EL MATRIX LI SERIES
CENTER P/N
COMMAND & CONTROL
1500047C 3311052 8585060 8510129
1500047C 3311053 8585060 8510129
1500047C 3311054 8585060 8510129
1500047C 3311052 8585060 8510130
1500047C 3311053 8585060 8510130
1500047C 3311054 8585060 8510130
1500047C 3311052 8585060 8510131
1500047C 3311053 8585060 8510131
1500047C 3311054 8585060 8510131
1500047C 3311052 8585060 8510120
1500047C 3311053 8585060 8510120
1500047C 3311054 8585060 8510120
1500047C 3311052 8585060 8510121
1500047C 3311053 8585060 8510121
1500047C 3311054 8585060 8510121
1500047C 3311052 8585060 8510122
1500047C 3311053 8585060 8510122
1500047C 3311054 8585060 8510122
1500047C 3311052 8585060 8510123
1500047C 3311053 8585060 8510123
1500047C 3311054 8585060 8510123
1500047C 3311052 8585065 8510110
1500047C 3311053 8585065 8510110
1500047C 3311054 8585065 8510110
1500047C 3311052 8585065 8510108
1500047C 3311053 8585065 8510108
1500047C 3311054 8585065 8510108
XRT KIT P/N
CONTINUED ON NEX T SHEET
TRAY ASM P/N
PUMP ASM P/N
RANGE
WR=WIDE RANGE
STD =STANDARD RANGE
WR 80 K R 30 1 15 5
WR 80 K R 30 2 15 5
WR 80 K R 30 3 15 5
WR 80 S L 30 1 15 5
WR 80 S L 30 2 15 5
WR 80 S L 30 3 15 5
WR 80 K L 30 1 15 5
WR 80 K L 30 2 15 5
WR 80 K L 30 3 15 5
WR 80 S R 30 1 15 5
WR 80 S R 30 2 15 5
WR 80 S R 30 3 15 5
WR 80 S L 30 1 15 5
WR 80 S L 30 2 15 5
WR 80 S L 30 3 15 5
WR 80 K R 30 1 15 5
WR 80 K R 30 2 15 5
WR 80 K R 30 3 15 5
WR 80 K L 30 1 15 5
WR 80 K L 30 2 15 5
WR 80 K L 30 3 15 5
WR 80 S R 40 1 20 5
WR 80 S R 40 2 20 5
WR 80 S R 40 3 20 5
WR 80 K R 40 1 20 5
WR 80 K R 40 2 20 5
WR 80 K R 40 3 20 5
Page 47 of 54
CC
SHAFT
PUMP DISP.
XWR=EXTENDED RANGE
SHAFT ROTATION
K=KEYED S=SPLINED (STD)
CC
(KILOWATTS)
MANUAL P/N
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
MOTOR DISP.
R=CW (STD), L=CCW
# OF RESCUE TOOL OUTPUTS
(KILOWATTS)
HYDRAULIC OUTPUT
ELECTRICAL OUTPUT
Smart Power® Systems
A. C. MODULAR GENERATOR SYSTEM
SPS MOD EL MATRIX LI SERIES
Page 48 of 54
PARENT P /N DESCRI PTION
3610025A
3610025B
3610025C
3611025A
3611025B
3611025C
3600625A
3600625B
3600625C
3610625A
3610625B
3610625C
3601625A
3601625B
3601625C
3611625A
3611625B
3611625C
GENERA TOR, LI-25/80c c L, SPL PUMP (S GL)
GENERA TOR, LI-25/80c c L, SPL PUMP (DUO)
GENERA TOR, LI-25/80c c L, SPL PUMP (TRI)
GENERA TOR, LI-25/80c c L, KEY P UMP (SGL)
GENERA TOR, LI-25/80c c L, KEY P UMP (DUO)
GENERA TOR, LI-25/80c c L, KEY P UMP (TRI)
GENE RA TOR, LI-25/80cc , R, SPL P UM P (THRU-DRIVE) (SGL)
GENE RA TOR, L I-25/ 80 cc, R, SPL PUMP (THRU-DRIVE ) (DUO)
GENE RATOR, LI-25/80c c, R, S P L PUMP (THRU-DRIVE) (TRI)
GENERA TOR, LI-25/80c c , L, SPL P UMP (THRU-DRIVE) (SGL)
GENE RA TOR, LI-25/80cc , L, SPL P UM P (THRU-DRIVE ) (DUO)
GENERA TOR, LI-25/80c c , L, SPL P UMP (THRU-DRIVE) (TRI)
GENERATOR, LI-25/80cc, R, KEY PUMP (THRU-DRIVE) (SGL)
GENE RA TOR, L I-25/ 80 cc, R, KEY PUM P (THRU-DRIVE ) (DUO )
GENE RATOR, LI-25/80c c, R, K E Y PUMP (THRU-DRIVE ) (TRI)
GENERATOR, LI-25/80cc, L, KEY PUMP (THRU-DRIVE) (SGL)
GENE RA TOR, LI-25/80cc , L, KEY PUMP (THRU-DRIVE) (DUO)
GENERA TOR, LI-25/80c c , L, KEY P UM P (THRU-DRIVE) (TRI)
CENTER P/N
COMMAND & CONTROL
1500047C 3311052 8585065 8510111
1500047C 3311053 8585065 8510111
1500047C 3311054 8585065 8510111
1500047C 3311052 8585065 8510109
1500047C 3311053 8585065 8510109
1500047C 3311054 8585065 8510109
1500047C 3311052 8585065 8510112
1500047C 3311053 8585065 8510112
1500047C 3311054 8585065 8510112
1500047C 3311052 8585065 8510113
1500047C 3311053 8585065 8510113
1500047C 3311054 8585065 8510113
1500047C 3311052 8585065 8510118
1500047C 3311053 8585065 8510118
1500047C 3311054 8585065 8510118
1500047C 3311052 8585065 8510119
1500047C 3311053 8585065 8510119
1500047C 3311054 8585065 8510119
XRT KIT P/N
TRAY ASM P/N
PUMP ASM P/N
Table 4
CC
RANGE
STD=STANDARD RANGE
WR 80 S L 40 1 20 5
WR 80 S L 40 2 20 5
WR 80 S L 40 3 20 5
WR 80 K L 40 1 20 5
WR 80 K L 40 2 20 5
WR 80 K L 40 3 20 5
WR 80 S R 40 1 20 5
WR 80 S R 40 2 20 5
WR 80 S R 40 3 20 5
WR 80 S L 40 1 20 5
WR 80 S L 40 2 20 5
WR 80 S L 40 3 20 5
WR 80 K R 40 1 20 5
WR 80 K R 40 2 20 5
WR 80 K R 40 3 20 5
WR 80 K L 40 1 20 5
WR 80 K L 40 2 20 5
WR 80 K L 40 3 20 5
PUMP DISP.
WR=WIDE RANGE
XWR=EXTENDED RANGE
SHAFT
SHAFT ROTATION
K=KEYED S=SPLINED (STD)
R=CW (STD), L=CCW
CC
MOTOR DISP.
# OF RESCUE TOOL OUTPUTS
(KILOWATTS)
ELECTRICAL OUTPUT
MANUAL P/N
(KILOWATTS)
HYDRAULIC OUTPUT
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
9991051
Smart Power® Systems
A. C. MODULAR GENERATOR SYSTEM
Page 49 of 54
Pump Adjustment
For A.C. Modular Generator System
(Reference XRT Manual for Pump Adjustment of rescue tool pump system)
WARNING:
The SPS Electronic Controlled Generators have been pre-set at the factory to
provide correct frequency and voltage, no pump adjustments are required. If it
appears the pump need to be adjusted, contact SPS at (231) 832-5525 before
proceeding. Damage to the generator from improper pump adjustments will void
the system’s warranty.
To prevent permanent, un-repairable damage to the generator, never adjust the
hydraulic pump so the generator’s output frequency exceeds 65 Hz.
Make adjustments to the hydraulic pump flow control with all electrical loads
disconnected from generator.
Never adjust the pump’s pressure control.
Reasons for adjusting the pump:
1. Generated output frequency is “too low.” Verify output frequency when the vehicle
is in fast idle and oil temperature is below 160°F. If the frequency drops below
59Hz, the pump output flow may need to be increased.
2. The hydraulic system is running excessively hot: If the system’s oil temperature is
running above 160°F with an ambient air temperature of 80°F, the pump output flow
may need to be decreased. Before making any adjustment, verify the system is
getting adequate ventilation, that the fans are both operating, the oil cooler air
passageways are not blocked or plugged and the hot air exiting the cooler is not
being drawn back through the cooler. Operate system after correcting ventilation
problems to validate whether the system still overheats prior to making pump
adjustment.
Note: The generator’s output frequency cannot be decreased by adjusting the pump
flow. If the generator output frequency is too high, contact SPS at (231) 832-5525 for
further instructions.
Pump adjustment procedure:
1. Enable the generator Pump Set option.
The system controller has been designed to provide a Pump Set option. With this
option applied, the generator will turn at the maximum speed allowed by the
hydraulic pump to allow proper adjustment of the pump’s flow.
Smart Power® Systems
pp
(
r
)
A. C. MODULAR GENERATOR SYSTEM
Page 50 of 54
The Pump Set option can be accessed by performing the following steps:
Step b: Hold Mode until
Amps Line 1 Blinks 88.
Release switch so 0Pt
appears.
a. If the Command & Control Center is dark, press the Mode switch to put the
Command & Control Center into Normal mode.
b. Press and hold the Mode switch until the Amps Line 1 field blinks with 88 (more
than 10 seconds). Release the switch while the Amps Line 1 field is blinking to
make 0Pt appear. Reference Figure 28.
c. Press (and release) the Mode switch until PSEt appears.
d. Press the On/Off switch until a y appears, indicating Pump Set option is Active.
e. Return to Normal mode by pressing the Mode switch until the screen shown in
Figure 29 is displayed. Pump Set will still be active.
Enabling pump set option
Figure 28
Step d: After selecting
PSEt, Press On/Off until
y a
ears.
Step c: Press mode twice
to make PSEt appear.
Actual Generator Output
Frequency
Hours field alternates
between PSET and generator
0ff
status
0n o
Example of normal display with Pump Set option set
Figure 29
Smart Power® Systems
A. C. MODULAR GENERATOR SYSTEM
2. Adjust pump compensator:
a. Reference Figure 30.
b. Loosen the flow control pressure jam nut.
c. While monitoring the generator’s output voltage, slowly rotate the flow control
set screw with a 4mm hex wrench. Adjust the flow control until the generator’s
output frequency is 63 Hz.
d. While keeping the setscrew from rotating, with the hex wrench, re-tighten the
jam nut.
Page 51 of 54
Pump assembly
Figure 30
Smart Power® Systems
pp
A. C. MODULAR GENERATOR SYSTEM
Page 52 of 54
3. Disable the generator Pump Set option.
After the pump has been properly adjusted, disable the Pump Set option by performing
the following steps:
Step a: Hold Mode until
Amps Line 1 Blinks 88.
Release switch so 0Pt
appears.
a. Press and hold the Mode switch until the Amps Line 1 field blinks with 88 (more
than 10 seconds). Release the switch while the Amps Line 1 field is blinking to
make 0Pt appear. Reference Figure 31.
b. Press the Mode switch until PSEt appears.
c. Press the On/Off switch until an n appears, indicating Pump Set option is
inactive.
d. Put system into Normal mode by pressing the Mode switch.
Disabling pump set option
Figure 31
Step c: After selecting
PSEt, Press On/Off until
n a
ears.
Step b: Press mode twice
to make PSEt appear.
Smart Power® Systems
A. C. MODULAR GENERATOR SYSTEM
Page 53 of 54
Manufacturers Limited Warranty
Smart Power® Systems Hydraulic Generator
(NOTE: This warranty DOES NOT cover the XRT rescue tool pump, and its
components or the rescue tools. Reference XRT manual for rescue tool
pump warranty.)
Coverage period
Provided such goods are operated and maintained in accordance with SPS’s written
instructions, SPS warrants the hydraulic generators manufactured or supplied by it
will be free from defects in material and workmanship for a period of five (5) years
or one thousand (1,000) hours, whichever comes first, from the date of delivery to
the first purchaser. In the case of generators used for rental or demonstration
purposes, this warranty coverage period begins on the date the generator is first
used for such rental or demonstration purposes. This warranty is extended to all
subsequent owners of the generator during the coverage period.
Repair or replacement parts are warranted for ninety (90) days from date of purchase,
excluding labor and travel expenses. Any part repaired or replaced during the warranty
period assumes the remainder of the warranty or ninety (90) days, whichever is greater.
Smart Power® Systems responsibilities
SPS’s obligation under the terms of this warranty is limited to the repair or replacement, at
its option, of the generator or parts of the generator that do not conform to this warranty.
SPS will pay parts costs and reasonable labor expenses (up to the maximum time of two
(2) hours @ $65/hour) associated with the removal, repair and reinstallation of the
generator into the customer’s equipment. For the first two (2) years of coverage, SPS will
pay travel time up to two and one-half (2.5) hours @ $65/hour and mileage cost up to one
hundred (100) miles @ $0.25/mile, if such work is done by an SPS distributor or other
service representative designated by SPS.
Owner’s responsibilities
The owner is obligated to operate and maintain the generator in accordance with the
recommendations published by SPS in the owners manual. The owner is responsible for
the costs associated with such maintenance and any adjustments that may be required.
All claims must be brought to the attention of SPS or an authorized distributor or its
designated service representative within a reasonable time, within fifteen (15) days after
discovery that the generator fails to meet this warranty.
The owner is responsible for payment of any of the following expenses that might be
incurred as a result of a failure under the terms of this warranty:
1. Rental equipment used to replace the equipment being repaired.
2. Telephone or other communication expenses.
Smart Power® Systems
A. C. MODULAR GENERATOR SYSTEM
Page 54 of 54
3. Living and travel expenses of the person making the repair (other than those
outlined above).
4. The premium costs for overtime labor requested by the owner.
5. The cost of airfreight or other extraordinary expenses for shipment of parts over and
above premium surface transportation.
Limitation
SPS is not responsible for the repair of generators that is required because of normal
wear, accident, misuse, abuse, improper installation, corrosion, lack of maintenance,
unauthorized modifications, the use of add-on or modified parts, improper storage or
negligence. The warranty is void if the generator is (a) not properly ventilated as
described in the Owners Manual or (b) is exposed (due to improper installation or location)
to water, salt or abrasive particles such as dirt or heavy dust.
The Owners Manual must be completely followed or the Warranty is void.
Normal wear
This warranty will not cover repair where normal use has exhausted the life of a part or
generator. Generators, like all mechanical devices, need periodic parts replacement and
service to perform well. It should be remembered that the service life of any generator is
dependent on the care it receives and the conditions under which it has to operate. Some
applications are very dusty or dirty, which can cause excessive wear when ingested. Such
wear, when caused by dirt, dust or other abrasive material that has entered the generator
because of improper installation/location is not covered by warranty.
THERE IS NO OTHER EXPRESSED WARRANTY.
IMPLIED WARRANTIES, INCLUDING MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PUROSE, ARE LIMITED TO PERIODS OF WARRANTY SET FORTH
ABOVE. TO THE EXTENT PERMITTED BY LAW, ANY AND ALL IMPLIED
WARRANTIES ARE EXCLUDED. NOTE: Some states and provinces do not allow
limitations on how long an implied warranty lasts, so the above limitations may not apply to
you.
IN NO EVENT IS SPS LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES.
NOTE: Some states or provinces do not allow the exclusion or limitation of incidental or
consequential damages, so the above limitation or exclusion may not apply to you.
This warranty gives you specific legal rights, and you may also have other rights that may
vary from state to state or province.
No person is authorized to give any other warranties or to assume any other liabilities on
SPS’s behalf, unless made or assumed in writing by an officer of SPS, and no person is
authorized to give any warranties or assume any other liability on behalf of seller unless
made or assumed in writing by seller.
Contact your SPS distributor for questions regarding your warranty rights and responsibilities at (231) 8325525; or visit our website at
www.smartpower.com.
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