SPX PE8 Series, PE17 Series User Manual

Page 1
User Manual for:
Electric-Powered
8 & 17 Series
Two-Stage Hydraulic Pump
PE8 Series
PE17 Series
© SPX
Form No. 1000559
Page 2
© SPX
Form No. 1000559
Page 3
Table of Contents
Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
PE8/17-Series Electric / Hydraulic Pumps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Control Valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Safety Symbols and Denitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Initial Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Operating Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Performance Specications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
General Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Troubleshooting Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Power Team Facilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
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Form No. 1000559
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Description
The 17 series hydraulic pumps are designed to have a maximum of 690 bar (10,000 psi) at
a ow rate of 278 cc/min (17 cu. in/min). A pump can be valved for use with either single- or double-acting cylinders.
The 8 series pump all the same features as the 17-series. The 8-series is equipped with a 1.9 kW (½ HP) 1,725 RPM electric motor where the 17-series is equipped with a 1.9 kW (½ HP) 3,450 RPM electric motor. All pumps come fully assembled, less uid, and ready for work.
PE8/17-Series Electric / Hydraulic Pumps
The 17 series uses an induction motor. Refer to the Performance section of this manual for motor ratings.
Electric Motor
The PE17-series pumps are equipped with .4 kW (1/2 hp), 3,450 rpm, single-phase, thermal protected induction motor; 10 ft. remote control cord. Low amperage draw; small generators and low amperage circuits can be used as power source. Extremely quiet noise level (67-81 dBA).
The PE8-series pumps are equipped with 1,725 rpm, single-phase, thermal protected induction motor.
Figure 1. PE172SM Figure 2. PE84
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Form No. 1000559
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Control Valves
Max. Capacity: 690 Bar (10,000 PSI)
PE84
PE174
PE172
PE172M
Valve Function Use with
CENTER
HOLD
POSITION
Port “A”
T
P
From
Pump
To
Tank
Valve Function Use with
ADVANCE
PUMP “ON”
HOLD POSITION
Port “A” Port “B”
P
From
Pump
RETURN
PUMP “OFF”
RETURN POSITION
HOLD
T
Tank
To
POSITION “A” POSITION “B”
Port “A” Port “B” Port “B”
T
P
From
Pump
To
Tank
HOLD
PUMP “OFF”
HOLD POSITION
Valve No.
Cylinder Type
Single-and
double-acting
9500 4-way, 3-position, pump
mounted manual detented
Diagrams
Valve No.
Cylinder Type
Single acting 9517 2-way, 2-position, pump
mounted manual detented
Diagrams
RETURN
PE172S
PE172SM
ADVANCE
PUMP “ON”
SOLENDOID
DE-EMERGIZED
From
Pump
From
Pump
Tank
To
Valve Function Use with
Cylinder Type
Single acting 9579 3-way, 2-position,
HOLD
PUMP “OFF” SOLENDOID
DE-EMERGIZED
RETURN
PUMP “OFF” SOLENDOID
EMERGIZED
To
Tank
Table 1. Pump Congurations
Valve No.
pump mounted solenoid
operated, normally closed
Diagrams
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Form No. 1000559
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Control Valves continued
ADVANCE
RETURN
PE172A
PE172AM
PUMP “ON”
From
Pump
Valve Function Use with
Cylinder Type
Single acting 45554 Auto/Dump
PUMP “OFF”
To
Tank
Table 1. Pump Congurations (continued)
Valve No.
manifold advance return
Diagrams
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Safety Symbols and Denitions
The safety signal word designates the degree or level of hazard seriousness.
DANGER: Indicates an imminently hazardous situation which, if not avoided, will result in death
or serious injury.
WARNING: Indicates a potentially hazardous situation which, if not avoided, could result in death
or serious injury.
CAUTION: Indicates a potentially hazardous situation which, if not avoided, may result in minor
or moderate injury.
CAUTION: Used without the safety alert symbol indicates a potentially hazardous situation which, if not avoided, may result in property damage.
IMPORTANT: Important is used when action or lack of action can cause equipment failure, either immediate or over a long period of time.
Safety Precautions
WARNING:
• The following procedures must be performed by qualied, trained personnel who
are familiar with this equipment. Operators must read and understand all safety precautions and operating instructions included with the pump. If the operator cannot
read these instructions, operating instructions and safety precautions must be read
and discussed in the operator's native language.
These products are designed for general use in normal environments. These products are not designed for lifting and moving people, agri-food machinery, certain types of mobile machinery, or in special work environments such as: explosive, ammable, or
corrosive. Only the user can decide the suitability of this product in these conditions
or extreme environments. Power Team will supply information necessary to help make
these decisions. Consult your nearest Power Team facility.
Safety glasses must be worn at all time by the operator and anyone within sight of the unit. Additional personal protection equipment may include: face shield, goggles, gloves, apron, hard hat, safety shoes, and hearing protection.
• The owner of this tool must ensure that safety-related decals are installed, maintained,
and replaced if they become hard to read.
Shut OFF the motor before opening any connections in the system.
The guide cannot cover every hazard or situation so always do the job with SAFETY
FIRST.
Pump
WARNING:
• Do not exceed the hydraulic pressure rating noted on the pump nameplate or tamper
with the internal high pressure relief valve. Creating pressure beyond rated capacities can result in personal injury.
• Retract the system before adding uid to prevent overlling the pump reservoir. An overll can cause personal injury due to excess reservoir pressure created when
cylinders are retracted.
The load must be under operator control at all times.
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Safety Precautions continued
Do not connect pump to hydraulic system powered by another pump.
Electric Motor
WARNING:
• Electrical work must be performed and tested by a qualied electrician per local
directives and standards.
Disconnect the pump from the power supply and relieve pressure before removing the motor case cover or performing maintenance or repair.
• Check the total amperage draw for the electrical circuit you will be using. For example: Do not connect a pump that may draw 25 amps to a 20 amp fused electrical circuit.
Never use an ungrounded power supply with this unit.
• Changing the voltage is an involved and, if incorrectly performed, hazardous procedure. Consult the manufacturer for specic information before attempting rewiring.
• Wire pump motors for counterclockwise rotation when viewed from the shaft end of
the motor.
Do not attempt to increase the power line capacity by replacing a fuse with another fuse of higher value. Overheating the power line may result in re.
• Exposing electric pumps to rain or water could result in an electrical hazard.
• Avoid conditions that can cause damage to the power cord, such as abrasion, crushing, sharp cutting edges, or corrosive environment. Damage to the power cord can cause
an electrical hazard.
Hoses
WARNING:
• Before operating the pump, tighten all hose connections using the correct tools. Do not overtighten. Connections should be only secure and leak-free. Overtightening can cause premature thread failure or high pressure ttings to split at pressures lower
than their rated capacities.
• Should a hydraulic hose rupture, burst, or need to be disconnected, immediately shut
off the pump and shift the control valve twice to release pressure. Never attempt to
grasp a leaking hose under pressure with your hands. The force of escaping hydraulic uid could cause serious injury.
• Do not subject the hose to potential hazard, such as re, sharp surfaces, heavy impact, or extreme heat or cold. Do not allow the hose to kink, twist, curl, or bend so tightly that the uid ow within the hose is blocked or reduced. Periodically inspect the hose for wear, because any of these conditions can damage the hose and possibly result in
personal injury.
Do not use the hose to move attached equipment. Stress can damage the hose and possibly cause personal injury.
• Hose material and coupler seals must be compatible with the hydraulic uid used.
Hoses also must not come in contact with corrosive material such as creosote­impregnated objects and some paints. Consult the manufacturer before painting a hose. Never paint the couplers. Hose deterioration due to corrosive materials may
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Form No. 1000559
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result in personal injury.
Avoid straight line tubing connections in short runs. Straight line runs do not provide for expansion and contraction due to pressure and/or temperature changes.
• Eliminate stress in the tube lines. Long tubing runs should be supported by brackets or clips. Tubes through bulkheads must have bulkhead ttings. This makes easy
removal possible and helps support the tubing.
• Carefully inspect all hoses and ttings prior to use. Before each use, check entire hose for cuts, leaks, abrasion or bulging of cover, or damage or movement of couplings. If any of these conditions exist, replace the hose immediately. NEVER attempt to repair
the hose.
Cylinder
DANGER:
• Do not exceed rated capacities of the cylinders. Excess pressure may result in personal
injury.
Avoid off-center loads that could damage the cylinder and/or cause loss of the load.
Read and understand all safety and warning decals and instructions for devices
attached.
Safety Precautions continued
Inspect each cylinder and coupler before each shift or usage to prevent unsafe conditions from developing.
• Do not use cylinders if they are damaged, altered or in poor condition.
Do not use cylinders with bent or damaged couplers or damaged port threads.
• Under certain conditions, the use of an extension with a hydraulic cylinder may not be
advisable and could present a dangerous condition.
Avoid pinch points or crush points that can be created by the load or parts of the cylinder.
• To help prevent material fatigue if the cylinder is to be used in a continuous application, the load should not exceed 85% of the rated capacity or stroke.
Cylinder must be on a stable base which is able to support the load while pushing or
lifting.
• To help prevent personal injury, use shims, friction material or constraints to prevent
slippage of the base or load.
Do not set poorly-balanced or off-center loads on a cylinder.
• The load can tip or the cylinder can “kick out” and cause personal injury.
• Do not use the locking collar on a threaded piston as a stop. The threads may shear
resulting in loss of the load.
• If this component is used to lift or lower loads, be certain that the load is under operator
control at all times and that others are clear of the load.
Do not drop the load.
• As the load is lifted, use blocking and cribbing to guard against a falling load.
• To help prevent personal injury, do not allow personnel to go under or work on a load before it is properly cribbed or blocked. All personnel must be clear of the load before
lowering.
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Safety Precautions continued
• Never use extreme heat to disassemble a hydraulic cylinder or ram. Metal fatigue and/
or seal damage will result and can lead to unsafe operating conditions.
IMPORTANT
Keep the cylinder clean at all times.
• While at a job site, when the cylinder is not in use, keep the piston rod fully retracted
and upside down.
• Always use protective covers on disconnected quick couplers.
• When mounting cylinders or rams using the internal piston rod threads, collar threads, threaded tie rods or base mounting holes, the threads must be fully engaged. Always
use SAE grade 8 or better fasteners when attaching components to cylinders or rams and tighten securely.
• Limiting the stroke and pressure on all cylinders will prolong their life.
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Initial Setup
1. Remove all packing materials from the assembled unit.
2. Inspect the unit upon arrival. The carrier, not the manufacturer, is responsible for any damage resulting from shipment.
Filling the Pump Reservoir
Most pumps are shipped without hydraulic uid in the reservoir. Hydraulic uid may have been shipped in a separate container, but if hydraulic uid is needed, use only approved Power Team hydraulic uid
rated at AW 46 47 cSt @ 38°C (215 SUS @ 100°F). If low temperature requirements are needed, use
hydraulic uid 5.1 cSt @ 100°C (451 cSt @ -40°C).
1. Clean the area around the filler cap to remove debris. Debris in the hydraulic fluid can damage the polished surfaces and precision-fit components of this pump.
2. Remove the filler cap and insert a clean funnel with a filter.
3. Fill the reservoir with hydraulic fluid to 1.3–3.8 cm (0.5–1.5 in.) from the cover plate.
4. Replace the filler cap. Verify the breather-hole is open, if applicable.
NOTE: If hydraulic uid foaming becomes a problem, reduce the hydraulic uid level to 2" below
the cover plate.
Hydraulic Connections
1. Clean the areas around the fluid ports of the pump and cylinders.
2. Inspect all threads and fittings for signs of wear or damage, replace as needed.
3. Clean all hose ends, couplers or union ends.
4. Remove the thread protectors from the hydraulic fluid outlets.
5. Connect the hose assembly to the hydraulic fluid outlet, and couple the hose to the cylinder.
CAUTION: To prevent personal injury from leaking hydraulic uid, seal all hydraulic connections with a high-quality, non-hardening, pipe thread sealant.
IMPORTANT: Sealant tape or non hardening sealer tape can be used to seal hydraulic
connections if only one layer of tape is used. Apply tape carefully, two threads back, to prevent it from being pinched by the coupler and broken off inside the system. Loose pieces of sealant could travel through the system and obstruct the ow of uid or cause jamming of precision-t parts.
Electric Motor Operation
Motor voltages are not changeable. They are:
12 VDC - 11-14 VDC
120 VAC - 90-130 VAC 50/60 Hz
220 VAC - 190-240 VAC 50/60 Hz
1. Verify the valve is in the neutral or hold position.
2. Connect the motor to a power supply.
Caution:
The correct voltage is required for the pump to operate. Verify the voltage rating on the pump
motor name plate matches the outlet or power source you are using. Low voltage may cause: an overheated motor; a motor that fails to start under load; motor surging when trying to
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Initial Setup continued
start; or a stalled motor before maximum pressure is reached.
• Check the voltage at the motor with the pump running at full pressure.
• Never run the motor on long, light gauge extension cords. Refer to Table 2. Minimum
Recommended Gauge Table.
3. Start the pump and shift as required.
4. Turn off the pump when not in use.
AMPS
at Maximum
Hyd. Pressure
0-8 m 8-15 m 15-30 m 30-46 m 0-25 ft 25-50 ft 50-100 ft 100-150 ft
6 0.75 1 1.5 2.5 18 16 14 12
10 0.75 1.5 2.5 4 18 14 12 10
14 1 2.5 4 6 16 12 10 8
18 1.5 2.5 6 6 14 12 8 8
22 1.5 4 6 10 14 10 8 6
26 2.5 4 6 10 12 10 8 6
30 2.5 4 10 16 12 10 6 4
Electrical Cord Size AWG (mm2) 3.2 Volt Drop
Length of Electrical Cord
2
mm
AWG
Table 2. Minimum Recommended Gauge Table
Bleeding Air from the System
After all connections are made, the hydraulic system must be bled of any trapped air. Refer to Figure 3. With no load on the system and the pump vented and positioned higher than the hydraulic device, cycle the system several times. If you are in doubt about venting your pump, read the operating instructions
for your pump. Check the reservoir uid level and ll to proper level with Power Team hydraulic uid as
necessary. If there is a problem contact the Power Team.
IMPORTANT: Some spring return cylinders or rams have a cavity in the rod which forms an air pocket. This type of cylinder or ram should be bled when positioned upside down or lying on its side with the port
facing upward.
© SPX
Figure 3. System Bleeding
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Form No. 1000559
Page 13
Hydraulic Pressure Gauge (optional)
Automatic Dump Valve
To monitor line pressure when using an automatic
dump valve, a tee tting is used between the
valve and the pressure switch to adapt a hydraulic pressure gauge.
Posi-Check Valve
If a Posi-Check valve is used, a hydraulic gauge shows zero pressure when the valve is switched to the neutral (hold) position. Cylinder pressure, however, is held without loss.
To install a hydraulic pressure gauge:
1. Refer to Figure 4. Remove the pipe plug from the valve’s gauge port.
Initial Setup continued
Figure 4. Gauge Port
2. Refer to Figure 5. Install sealant tape or non hardening sealer to a 45 degree elbow (PN
9678). Install the elbow as shown.
3. Install sealant tape or non hardening sealer to the gauge.
4. Refer to Figure 6. Install the pressure gauge.
Figure 5. Elbow Installation
© SPX
Figure 6. Pressure Gauge Installation
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Form No. 1000559
Page 14
Operating Instructions
Bleeding Air from the System
1. Cycle the hydraulic system until operation is smooth and consistent.
2. Check the pump reservoir level. Add Power Team hydraulic uid as needed.
Electric Motor Control Operation
1. Connect the power cord to an appropriate power source.
2. Place the motor control switch in the ON position or the REMOTE position, if applicable.
3. Depending on system requirements:
Refer to Figure 7. This remote will start and run the pump motor as long as the button is pressed. Switch will automatically return to OFF position when button is released and pump motor will turn off.
Figure 7. Momentary ON-OFF Push
Button Remote Motor Control
Refer to Figure 8. This remote will start and run the pump motor as long as the button is held in the ON position. Switch will automatically return to OFF position when button is released and pump motor will turn off. Generally used with 2-Way, 2-Position valves.
Refer to Figure 9. This remote will start and run the pump motor to advance or retract of the cylinder when released it allows the pressure to be held.
4. Press the rocker switch toward the Advance side of the switch and hold to extend the cylinder.
5. Press the rocker switch toward the Retract side of the switch and hold to retract the cylinder.
6. Release the rocker switch and the pump will stop but the system will hold. Generally used on 4-Way­2-Position valves.
Figure 8. Momentary ON-OFF Remote
Figure 9. Advance-Hold-Retract
Remote
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Operating Instructions continued
Pressure Regulating Controls
To ensure accuracy and low pressure differential (approx. 20 Bar 300 PSI) throughout the pressure range (69-690 Bar (1,000-10,000 PSI) depending on the pump model), the pressure switch should be used with the pressure regulating valve. The pressure switch must be set at a pressure lower than the pressure regulating valve to work correctly.
The pressure regulating valve can be adjusted to bypass uid at a given pressure setting while the
pump continues to run.
The pressure switch can be adjusted to stop the pump at a given pressure setting.
Adjusting The Pressure Regulating Valve (if equipped). All others are factory preset.
Note: For easy adjustment of the pressure regulating valve, always adjust the pressure by increasing to the
desired pressure setting.
1. Loosen the locknut on the pressure regulating valve.
2. Use a screwdriver to back out the adjusting screw a few turns in a counterclockwise direction. This decreases the setting to a lower-than-desired pressure.
3. The pump must be completely connected. Set the motor control toggle switch on RUN, and push the START button.
4. With the screwdriver, slowly turn the adjusting screw in a clockwise direction. This gradually increases the pressure setting. When the desired pressure is reached, lock the adjusting screw in position by tightening the locknut.
Notes:
The pressure range is from 69-690 Bar (1,000-10,000 PSI), depending on the pump model.
The pressure switch must be set at a higher pressure than working range to prevent shut down during
adjustment. It is also possible to bypass the pressure switch contacts by holding the start switch or remote control switch so the motor runs continuously.
Adjusting The Pressure Switch
Generally, the pressure switch should be used with the pressure regulating valve. A pressure switch can be used alone for operating electrical devices such as motors, solenoids, and relays, which are located elsewhere in the circuit.
1. Loosen the locknut on the pressure switch, and turn the adjusting screw in a clockwise direction. This increases the pressure setting to a higher than desired pressure.
2. Adjust the pressure regulating valve to the desired pressure setting by using the procedure previously outlined.
3. With the pump running and bypassing fluid at the desired pressure, slowly turn the pressure switch adjusting screw in a counterclockwise direction, decreasing the pressure switch setting until the pump motor shuts off.
4. Lock the adjusting screw in position by tightening the locknut.
5. Release pressure. Run the pump to check the pressure setting and cut-out of the motor. It may be necessary to make a second adjustment.
Note: When the pressure switch setting is reached, the motor shuts off. However, the “coast” of the motor continues to deliver uid for a brief period. The pressure regulating valve bypasses this surplus uid, preventing it from going into the system. As a result, the pressure differential can be held to approximately 20 Bar (300 PSI).
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Performance Specications
The information in the following charts can be used as a basis to determine if the system is performing as expected during operation.
Amp Draw at
Pump RPM
PE8 1,725 10 15 67/81
PE17 3,450 10 15 67/81
690 Bar (10,000
PSI) (115V)
Table 3. Drive Unit Requirements
Max. Pressure
Pump
PE8
PE17 690 Bar (10,000
** Typical delivery. Actual ow varies with eld conditions.
Output Bar
(PSI)
690 Bar (10,000
PSI)
PSI)
Fluid Delivery** (cu. in./min. @)
0 Bar (0 PSI) 7 Bar (100
PSI)
145 95 - - 10 8
290 190 - - 20 16
Table 4. Fluid Pressure Chart
50 Bar (700
PSI)
Amp Draw at
690 Bar (10,000
PSI) (230V)
70 Bar
(1,000 PSI)
dB A at Idle
and 690 Bar (10,000 PSI)
345 Bar
(5,000 PSI)
690 Bar
(10,000 PSI)
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Page 17
General Maintenance
WARNING:
Disconnect the unit from the power supply before performing maintenance or repair
procedures.
• Repairs and maintenance are to be performed in a dust-free area by a qualied
technician.
System Evaluation
The components of your hydraulic system — cylinders, pumps, hoses, and couplings — all must be:
Rated for the same maximum operating pressure.
Correctly connected.
• Compatible with the hydraulic uid used.
A system that does not meet these requirements can fail, possibly resulting in serious injury. If you are in doubt about the components of your hydraulic system, contact Power Team Technical Support.
Inspection
Keep a dated and signed inspection record of the equipment. An inspection checklist (Form No.
105503) is available on request from your nearest Power Team facility. Before each use, the operator or
other designated personnel should visually inspect for the following conditions:
Cracked or damaged cylinder.
• Excessive wear, bending, damage, or insufcient thread engagement.
• Leaking hydraulic uid.
Scored or damaged piston rod.
Incorrectly functioning or damaged heads and caps.
Loose bolts or cap screws.
Damaged or incorrectly assembled accessory equipment.
• Modied, welded, or altered equipment.
Bent or damaged couplers or port threads.
Periodic cleaning
WARNING: Contamination of the hydraulic uid could cause the valve to malfunction. Loss
of the load or personal injury could result.
Establish a routine to keep the hydraulic system as free from debris as possible.
Seal unused couplers with dust covers.
Keep hose connections free of debris. Equipment attached to a cylinder must be kept clean.
Keep the breather-hole in the filler cap clean and unobstructed.
Use only Power Team hydraulic fluid. Replace hydraulic fluid as recommended, or sooner if the fluid
becomes contaminated. Never exceed 300 hours of use between fluid changes.
Hydraulic Fluid Level
1. Check the fluid level in the reservoir after each 10 hours of use. The fluid level should be 1.3–3.8 cm (0.5–1.5 in.) from the top of the fill hole when all cylinders are retracted.
2. Drain, flush, and refill the reservoir with an approved Power Team hydraulic fluid after every 300 hours of use. The frequency of fluid changes depends upon general working conditions, severity of
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General Maintenance continued
use, the overall cleanliness and care given to the pump. Fluid should be changed more frequently when the system is not operated regularly indoors.
Draining And Flushing The Reservoir
IMPORTANT: Clean the pump exterior before the
pump interior is removed from the reservoir.
1. Remove the ten screws that fasten the motor and pump assembly to the reservoir.
IMPORTANT: Do not damage the gasket or bump the lter or pressure regulating valves
when lifting the pump and motor off the reservoir. See Figure 10.
2. Drain fluid and clean the inside of the reservoir. Fill with a suitable nonflammable flushing fluid. Rinse the filter clean.
3. Place the pump and motor assembly back onto the reservoir and secure with four corner screws.
1
4
2
3
IMPORTANT: Connect a hose to the advance/ retract port of the pump manifold. Place the
other end of the hose into the uid ller plug
hole.
4. Run the pump for several minutes. Then disconnect the motor and pump assembly, and drain and clean the inside of the pump reservoir.
5. Fill the reservoir to 1.3–3.8 cm (0.5–1.5 in.) below the cover plate with an approved, high-grade hydraulic fluid. Place the pump and motor assembly (with gasket) onto the reservoir. Thread in ten screws and tighten securely and evenly.
Item Description
1 Pressure Regulating Valve
2 Accumulator (not used on all models)
3 High Pressure Relief Valve
4 Filter
Figure 10. Pump Assembly
Adding Hydraulic Fluid To The Reservoir
1. Retract the cylinder(s) devices.
2. Disconnect the power supply.
3. Clean the entire area around the filler plug.
4. Remove the filler plug, and install a clean funnel with a filter.
5. Use only Power Team hydraulic fluid rated at AW 46 47 cSt @ 38°C (215 SUS @ 100°F). If low temperature requirements are needed, use hydraulic fluid 5.1 cSt @ 100°C (451 cSt @ -40°C).
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Page 19
General Maintenance continued
22 mm (7/8")
(new)
Replace when
4.5 mm (1/8") or less
Sound Reduction - Electrically Powered Motor
The electrically powered hydraulic pump operates in the 67–81 dBA range. If further sound reduction is desired, any of the following options will help reduce the sound level.
1. Install a pressure switch to automatically shut off the motor when maximum pressure is reached (holding cycle).
2. Contact Power Team Hydraulic Technology technical support for products more suitable to your application.
Hose Connections
CAUTION: To prevent personal injury from leaking hydraulic uid, seal all hydraulic
connections with a high-quality, non-hardening, pipe thread sealant.
IMPORTANT: Sealant tape or non-hardening sealer tape can be used to seal hydraulic
connections if only one layer of tape is used. Apply tape carefully, two threads back, to prevent it from being pinched by the coupler and broken off inside the system. Loose pieces of sealant could travel through the system and obstruct the ow of uid or cause jamming of precision-t parts.
Storage
Store the unit in a dry, well-protected area where it will not be exposed to corrosive vapors, dust, or other harmful elements. If a unit has been stored for an extended period of time, it must be thoroughly inspected before it is used.
Checking Brushes on Universal Motors
To help prevent premature failure of the armature, check the brushes periodically:
1. Remove the metal brush cover plates.
2. Remove the brush holder caps and brush assemblies.
3. The brush assemblies must be replaced if they are 4.5mm (1/8") long or less. See Figure 11.
4. Install brush assemblies, brush holder caps, and metal brush cover plates.
© SPX
Figure 11. Brush Inspection
17
Form No. 1000559
Page 20
Troubleshooting Guide
WARNING:
• Repair work or troubleshooting must be performed by qualied personnel who are
familiar with this equipment.
• Disconnect the power supply before removing the electrical cover. Electrical work should be performed by a qualied electrician.
• Check for system leaks by using a hand pump to apply pressure to the suspect area. Watch for leaking uid and follow it back to its source. Never use your hand or other
body parts to check for a possible leak.
Notes:
• For a detailed parts list or to locate a Power Team Authorized Hydraulic Service Center, contact your nearest Power Team facility.
Plug the outlet ports of the pump when checking for leakage to determine if the leakage is in the pump, in the cylinder, or in the tool.
Problem Cause Solution
Electric motor does not run.
Pump is not delivering
hydraulic uid or delivers
only enough hydraulic
uid to advance cylinder(s)
partially or erratically.
1. Unit is not plugged in.
2. No voltage supply.
3. Broken lead wire or defective power cord plug.
4. Defective motor.
1. Hydraulic uid level too low.
2. Air in system.
3. Debris is in pump or lter is
plugged.
4. Cold hydraulic uid or hydraulic uid is too heavy (hydraulic uid is of a higher viscosity than
necessary).
5. Relief valve or low pressure unloading valve out of adjustment.
6. Sheared drive shaft key(s).
7. Motor rotating in wrong direction.
1. Plug in unit.
2. Check line voltage.
3. Replace defective parts.
4. Replace or repair motor.
1. Fill reservoir to 1-1/2" below the cover plate, maximum.
2. Bleed the system.
3. Pump lter should be cleaned
and, if necessary, pump should be dismantled and all parts inspected
and cleaned.
4. Change to lighter hydraulic uid.
5. Readjust as needed.
6. Replace.
7. Reverse rotation.
© SPX
18
Form No. 1000559
Page 21
Troubleshooting Guide continued
Problem Cause Solution
Pump will not build full pressure.
1. Faulty pressure gauge.
2. Check for external leakage.
3. Inspect the pump for internal leakage.
4. Sheared key(s).
5. High pressure pump inlet or outlet ball checks in the pump are leaking.
Automatic valve will not
1. Unloading pressure is too low.
build full pressure
2. Defective or oversize seat on automatic valve.
Electric motor cuts out. 1. Extension cord is too long and/
or not of sufcient gauge.
2. Faulty motor.
3. Overheated motor can trip circuit breaker in shop power panel.
Foaming hydraulic uid. 1. Hydraulic uid being splashed
by counter weight.
Cylinder(s) will not retract. 1. Check the system pressure; if
the pressure is zero, the control valve is releasing pressure and the problem may be in the cylinder(s), mechanical linkage connected to cylinder(s), or quick­disconnect couplings.
2. Inadequate air pressure (air motor only).
Pump delivers excess hydraulic uid pressure.
1. Pressure gauge is not accurate.
2. Relief valve not properly set.
1. Calibrate gauge.
2. Seal any faulty pipe ttings with pipe sealant.
3. Same procedure as above but
for leaks around the entire inner
mechanism. If there are no visible
leaks the low-to-high pressure ball
check may be leaking. Remove all parts. Inspect the check body for any damage to the seat areas. Clean and reseat if necessary.
Inspect the ball for damages and replace if necessary, then
reassemble.
4. Replace.
5. Reseat or replace valve head.
1. Increase unloading pressure per chart, sheet 3 of 4.
2. Replace ball and seat.
1. Replace.
2. Replace and repair.
3. Allow motor to cool, reset circuit
breaker located in shop power
panel.
1. Lower hydraulic uid level to approximately 38 mm (1.5 inches) below the cover plate.
1. Check the cylinders for broken
return springs and check couplers to ensure that they are completely
coupled. Occasionally couplers
have to be replaced because one check does not stay open in the
coupled position.
2. Increase air pressure.
1. Calibrate gauge.
2. Reset the relief valve.
© SPX
19
Form No. 1000559
Page 22
Troubleshooting Guide continued
Problem Cause Solution
Automatic valve will not release pressure.
1. Sticking piston.
2. High pressure hydraulic uid
is leaking past the low-to-high pressure check. This hydraulic
uid leaks back to the piston in
the automatic valve, keeping the piston closed.
1. Remove, clean and polish.
2. Seat the ball check. Inspect and replace any faulty components.
© SPX
20
Form No. 1000559
Page 23
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Te l: 31 (45) 5678877 FAX: 31 (45) 5678878
E-mail
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Singapore 629563
Te l: (65) 6265-3343 FAX: (65) 6265-6646
E-mail:
infoasia@powerteam.com
UNITED ST ATES
SPX Hydraulic Technologies 5885 11th Street
Rockford, IL 61109-3699 USA Telephone: 1-815-874-5556
FAX: 1-815-874-7853
Cust. Service/Order Entry Te l: 1-800-541-1418 FAX: 1-800-288-7031
E-mail:
info@powerteam.com
Technical Services Tel: 1-800-477-8326 FAX: 1-800-765-8326
For more information, Internet address: http://www.powerteam.com
C E R T I F I E D
CHINA
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Te l: 86 (21) 2208-5888 FAX: 86 (21) 2208-5682
FAR EAST
7 Gul Circle
E-mail
infochina@powerteam.com
© SPX
21
Form No. 1000559
Page 24
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