OPERATION MANUAL
THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
MODELS
WT5HP
WTE5HP
WT5HPSG
WATER TRAILERS
(HONDA GX160U1TX2NH1 GASOLINE ENGINE)
(QP205SHLF HIGH PRESSURE CENTRIFUGAL PUMP)
Revision #1 (03/14/17)
PN 59248
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PAGE 2 — WT5HP/WTE5HP/WT5HPSG WATER TRAILERS • OPERATION MANUAL — REV. #1 (03/14/17)
WT5HP/TE5HP/WT5HPSG
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Water Trailers
Proposition 65 Warning ........................................... 2
Table Of Contents .................................................... 4
Safety Information ................................................ 5-9
Specifications (Pump/Trailer) ................................. 10
Specifications (Engine) .......................................... 11
Dimensions ............................................................ 12
General Information ............................................... 13
Components (Water Trailer) .............................. 14-15
Basic Engine .......................................................... 16
Inspection (Engine) ................................................ 17
Inspection (In-Line Mesh Water Filter) ................... 18
Operation .......................................................... 19-26
Winterizing Procedure ...................................... 27-28
Maintenance ..................................................... 29-37
Trailer Safety Guidelines ................................... 38-52
Troubleshooting (Pump) ........................................ 53
Troubleshooting (Engine) ....................................... 54
TABLE OF CONTENTS
NOTICE
Specifications are subject to change without notice.
PAGE 4 — WT5HP/WTE5HP/WT5HPSG WATER TRAILERS • OPERATION MANUAL — REV. #1 (03/14/17)
SAFETY INFORMATION
Do not operate or service the equipment before reading
the entire manual. Safety precautions should be followed
at all times when operating this equipment.
Failure to read and understand the safety
messages and operating instructions could
result in injury to yourself and others.
SAFETY MESSAGES
The four safety messages shown below will inform you
about potential hazards that could injure you or others. The
safety messages specifi cally address the level of exposure
to the operator and are preceded by one of four words:
DANGER, WARNING, CAUTION
SAFETY SYMBOLS
Potential hazards associated with the operation of this
equipment will be referenced with hazard symbols which
may appear throughout this manual in conjunction with
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safety messages.
DANGER
Indicates a hazardous situation which, if not avoided,
WILL result in DEATH or SERIOUS INJURY.
WARNING
Indicates a hazardous situation which, if not avoided,
COULD result in DEATH or SERIOUS INJURY.
CAUTION
Indicates a hazardous situation which, if not avoided,
COULD result in MINOR or MODERATE INJURY.
or NOTICE.
NOTICE
Addresses practices not related to personal injury.
WT5HP/WTE5HP/WT5HPSG WATER TRAILERS • OPERATION MANUAL — REV. #1 (03/14/17) — PAGE 5
GENERAL SAFETY
NOTICE
This equipment should only be operated by trained and
Whenever necessary, replace nameplate, operation and
Manufacturer does not assume responsibility for any
accident due to equipment modifi cations. Unauthorized
use accessories or attachments that are not
recommended by Multiquip for this equipment. Damage
keep
Also, know the phone numbers
fi re department.
This information will be invaluable in the case of an
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SAFETY INFORMATION
CAUTION
NEVER operate this equipment without proper protective
clothing, shatterproof glasses, respiratory protection,
hearing protection, steel-toed boots and other protective
devices required by the job or city and state regulations.
Avoid wearing jewelry or loose fi tting clothes that may
snag on the controls or moving parts as this can cause
serious injury.
NEVER operate this equipment when not
feeling well due to fatigue, illness or when
under medication.
NEVER operate this equipment under the
infl uence of drugs or alcohol.
ALWAYS clear the work area of any debris, tools, etc.
that would constitute a hazard while the equipment is
in operation.
No one other than the operator is to be in the working
area when the equipment is in operation.
DO NOT use the equipment for any purpose other than
its intended purposes or applications.
qualifi ed personnel 18 years of age and older.
safety decals when they become diffi cult read.
equipment modifi cation will void all warranties.
NEVER
to the equipment and/or injury to user may result.
ALWAYS know the location of the nearest
fi re extinguisher.
ALWAYS know the location of the nearest
fi rst aid kit.
ALWAYS know the location of the nearest phone or
a phone on the job site.
of the nearest ambulance, doctor and
emergency.
PAGE 6 — WT5HP/WTE5HP/WT5HPSG WATER TRAILERS • OPERATION MANUAL — REV. #1 (03/14/17)
PUMP SAFETY
DANGER
ALWAYS store equipment properly when it is not being
used. Equipment should be stored in a clean, dry location
out of the reach of children and unauthorized personnel.
lubricate components or attempt service on a
allow the machine a proper amount of time to
place hands or fingers inside engine
operate the engine with heat shields or
run engine without an air fi lter or with a dirty air
fi lter. Severe engine damage may occur. Service air fi lter
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SAFETY INFORMATION
NEVER operate the equipment in an explosive
atmosphere or near combustible materials. An
explosion or fi re could result causing severe
bodily harm or even death.
Accidental starting can cause severe injury
or death. ALWAYS place the ON/OFF
switch in the OFF position.
DO NOT place hands or fingers inside
pump when pump is running.
NEVER disconnect any emergency or
safety devices. These devices are intended for operator
safety. Disconnection of these devices can cause severe
injury, bodily harm or even death. Disconnection of any
of these devices will void all warranties.
Be careful of discharge whipping under pressure.
NOTICE
NEVER leave an open pump chamber unattended.
ALWAYS keep the machine in proper running condition.
DO NOT attempt to thaw-out a frozen pump by using
a torch or other source of fl ame. Application of heat in
this manner may heat the oil in the seal cavity above the
critical point, causing pump damage.
WARNING
CAUTION
NEVER
running machine.
ALWAYS
cool before servicing.
Keep machine in proper running condition.
ENGINE SAFETY
WARNING
DO NOT
compartment when engine is running.
NEVER
guards removed.
DO NOT remove the engine oil drain plug
while the engine is hot. Hot oil will gush
out of the oil tank and severely scald any
persons in the general area of the pump.
CAUTION
NEVER touch the hot exhaust manifold,
muffl er or cylinder. Allow these parts to cool
before servicing equipment.
NOTICE
NEVER
frequently to prevent engine malfunction.
DO NOT pump water greater than 140° F.
DO NOT pump liquids containing acid or alkali.
DO NOT fi ll/pump heavy debris laden water.
Fix damage to machine and replace any broken parts
immediately.
WT5HP/WTE5HP/WT5HPSG WATER TRAILERS • OPERATION MANUAL — REV. #1 (03/14/17) — PAGE 7
NEVER tamper with the factory settings
of the engine or engine governor. Damage
to the engine or equipment can result
if operating in speed ranges above the
maximum allowable.
FUEL SAFETY
DANGER
TOWING SAFETY
ALWAYS inspect the hitch and coupling for wear. NEVER
Check the tire air pressure on both towing vehicle and
Trailer tires should be infl ated to 50 psi cold.
safety
attach trailer’s safety chains to towing
make sure the vehicle and trailer directional,
backup, brake and trailer lights are connected and
• Secure portable power cables in cable tray with tie
unless
posted otherwise. Recommended off-road towing is not
Avoid sudden stops and starts. This can cause skidding,
or jack-knifi ng. Smooth, gradual starts and stops will
Trailer should be adjusted to a level position at all times
Raise and lock trailer wheel stand in up position when
rolling
underneath the trailer’s bumper
Use the trailer’s swivel jack to adjust the trailer height to
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DO NOT start the engine near spilled fuel or combustible
fl uids. Fuel is extremely fl ammable and its vapors can
cause an explosion if ignited.
ALWAYS refuel in a well-ventilated area, away from
sparks and open fl ames.
ALWAYS use extreme caution when working with
fl ammable liquids.
DO NOT fi ll the fuel tank while the engine is running
or hot.
DO NOT overfi ll tank, since spilled fuel could ignite if it
comes into contact with hot engine parts or sparks from
the ignition system.
Store fuel in appropriate containers, in well-ventilated
areas and away from sparks and fl ames.
SAFETY INFORMATION
tow a trailer with defective hitches, couplings, chains, etc.
trailer.
Also check the tire tread wear on both vehicles.
ALWAYS make sure the trailer is equipped with a
chain.
ALWAYS properly
vehicle.
ALWAYS
working properly.
DOT Requirements include the following:
• Connect and test electric brake operation.
wraps.
NEVER use fuel as a cleaning agent.
DO NOT smoke around or near the
equipment. Fire or explosion could result
from fuel vapors or if fuel is spilled on a
hot engine.
CAUTION
Check with your local county or state safety
towing regulations, in addition to meeting
Department of Transportation (DOT)
Safety Towing Regulations, before towing
your water trailer.
In order to reduce the possibility of an accident while
transporting the water trailer on public roads, ALWAYS
make sure the trailer and the towing vehicle are
mechanically sound and in good operating condition.
ALWAYS shutdown engine before transporting.
Make sure the hitch and coupling of the towing vehicle
are rated equal to, or greater than the trailer “gross
vehicle weight rating.”
The maximum speed for highway towing is 55 MPH
to exceed 15 MPH or less depending on type of terrain.
improve towing.
Avoid sharp turns to prevent rolling.
when towing.
towing.
Place chock blocks underneath wheel to prevent
while parked.
Place support blocks
to prevent tipping while parked.
a level position while parked.
PAGE 8 — WT5HP/WTE5HP/WT5HPSG WATER TRAILERS • OPERATION MANUAL — REV. #1 (03/14/17)
SAFETY INFORMATION
ENVIRONMENTAL SAFETY/DECOMMISSIONING
Decommissioning is a controlled process used to safely
retire a piece of equipment that is no longer serviceable.
If the equipment poses an unacceptable and unrepairable
safety risk due to wear or damage or is no longer cost
effective to maintain (beyond life-cycle reliability) and is to
be decommissioned (demolition and dismantlement),be
sure to follow rules below.
EMISSIONS INFORMATION
The gasoline engine used in this equipment has been
designed to reduce harmful levels of carbon monoxide
(CO), hydrocarbons (HC) and nitrogen oxides (NOx)
This engine has been certifi ed to meet US EPA Evaporative
Attempting to modify or make adjustments to the engine
emmission system by unauthorized personnel without
proper training could damage the equipment or create an
Additionally, modifying the fuel system may adversely affect
evaporative emissions, resulting in fi nes or other penalties.
The emission control label is an integral part of the emission
If a replacement emission label is needed, please contact
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NOTICE
DO NOT pour waste or oil directly onto the ground, down
a drain or into any water source.
Contact your country's Department of
Public Works or recycling agency in your
area and arrange for proper disposal of
any electrical components, waste or oil
associated with this equipment.
When the life cycle of this equipment is over, remove
battery, if any, and bring to appropriate facility for lead
reclamation. Use safety precautions when handling
batteries that contain sulfuric acid.
When the life cycle of this equipment is over, it is
recommended that the water trailer frame and all other
metal parts be sent to a recycling center.
Metal recycling involves the collection of metal from
discarded products and its transformation into raw
materials to use in manufacturing a new product.
Recyclers and manufacturers alike promote the process
of recycling metal. Using a metal recycling center
promotes energy cost savings.
NOTICE
contained in gasoline exhaust emissions.
emissions requirements in the installed confi guration.
unsafe condition.
Emission Control Label
system and is strictly controlled by regulation(s).
The label must remain with the engine for its entire life.
your authorized Honda Engine Distributor.
WT5HP/WTE5HP/WT5HPSG WATER TRAILERS • OPERATION MANUAL — REV. #1 (03/14/17) — PAGE 9
SPECIFICATIONS (PUMP/TRAILER)
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Table 1. Specifications
Type Industrial
Style Rotomolded - Seamless with Baffles
Fill Port 12" - Vented Port
Water Tank
Pump
Trailer and Frame
Material Polyethylene - 1/4" Wall - Repairable
Fill Rate 6 min. Full (Fill at Full Throttle)
Capacity 525 gallons (1,987 liters)
Weight w/ Empty Water Tank 1,530 lbs. (694 kg)
Weight w/ Full Water Tank 5,940 lbs. (2,694 kg)
Type 2" (51 mm) High Pressure Centrifugal
Maximum Flow 106 GPM (401 LPM)
Maximum Head 230 ft (29 meters)
Maximum Pressure 100 psi (690 kPa)
Material Formed Steel Channel Frame
Number of Axles 2
Capacity - Axle Rating 3,500 lbs. (1,567 kg) ea.
Tires ST205/75D 14"
Certifications DOT
Brakes (Model WT5HP/ WT5HPSG) Surge Hydraulic-Actuated Drum Brakes
Brakes ( Model WTE5HP) Electric-Actuated Drum Brakes
Hitch 2-5/16" ball or 3" pintle
Water Operations
Jack 2,000 lbs. (907 kg)
Hose Bin Formed Steel
Pressurized 1.5" and 2" Left/2" Right
1” X 50’ Hose Reel Mounted
Delivery Methods
Fill Methods
Three Std. Garden Hose Adapters:
Adapter #1 Pressurized (Upper)
Adapter #2 Drain Only (Lower)
Pressurized Rear Spray Nozzles
Municipal Fire Hydrant Steel Pipe - QD
1.5" and 2" QD Cam and Groove Adapter
Three Std. Garden Hose Adapters
PAGE 10 — WT5HP/WTE5HP/WT5HPSG WATER TRAILERS • OPERATION MANUAL — REV. #1 (03/14/17)
SPECIFICATIONS (ENGINE)
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Table 2. Specifications (Engine)
Model Honda GX160U1TX2NH1
Type
Bore X Stroke 2.7 X 1.8 in. (69 X 46 mm)
Displacement 9.9 cu-in. (163 cc)
Max. Output 5.5 H.P. @ 3600 RPM
Fuel Tank Capacity 0.82 U.S. Gallons (3.1 Liters)
Fuel Unleaded Gasoline
Fuel Consumption - @ 3600 rpm 0.46 GPH (1.74 LPH)
Lube Oil Capacity 0.61 qt. 0.6 liters
Oil Type
Speed Control Method Centrifugal Flyweight Type
Cooling System Forced Air
Starting Method Recoil Start
Spark Plug Type BPR6ES NGK
Spark Plug Gap 0.028-0.031 in. (0.70 - 0.80 mm)
Dimensions (L x W x H) 12.0 X 14.4 X 13.2 in. (305 X 366 X 335 mm)
Dry Net Weight 33.0 lbs. (15 Kg.)
Air-cooled 4 stroke, Single Cylinder, OHV,
Horizontal Shaft Gasoline Engine
4-Stroke API, SF or SG
SAE 10W-30 General Use
WT5HP/WTE5HP/WT5HPSG WATER TRAILERS • OPERATION MANUAL — REV. #1 (03/14/17) — PAGE 11
REAR VIEW
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DIMENSIONS
E
FRONT VIEW
B
D
C
Q
Reference
Letter
L
M
Dimension
in (mm)
A
SIDE VIEW
Ref
erence
Letter
N
K
Figure 1. Dimensions
Table 3. Dimensions
Dimension
in (mm)
Reference
Letter
F
O
Dimension
in (mm)
Reference
Letter
G
I
H
J
Dimension
in (mm)
A 69.50 (1,765) E 60.50 (1,537) I 80.00 (2,032) M 18.70 (475)
B 47.25 (1,200) F 64.00 (1,626) J 25.00 (635) N 31.5 (800)
C 58.00 (1,473) G 8.00 (203) K
D 20.00 (508) H 46.5 (1,181) L 22.70 (577)
For total length add approximately 3.5 in. (90 mm) for coupler length.
1
142.50 (3,619)
PAGE 12 — WT5HP/WTE5HP/WT5HPSG WATER TRAILERS • OPERATION MANUAL — REV. #1 (03/14/17)
GENERAL INFORMATION
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APPLICATION
Typical applications for the Multiquip's High Pressure
Water Trailers include: dust control, emergency fire fighting
response, construction, agricultural-irrigation support, and
high jetting equipment wash down.
The WT5HP/WTE5HP are industrial 525-gallon Water
Trailers. Each water trailer comes with a high pressure
centrifugal pump, flexible suction/discharge manifold
system, industrial hose reel assembly with simple valve
controls, and a rugged polypropylene water tank
Manifold Delivery System
1.5" CAM and groove QD
2.0" CAM and groove QD left and right sides (discharge)
2.0" CAM and groove QD water tank fill (suction)
1” x 50’ Hose on mounted Hose Reel
3-position manifold control lever Off-Suction-Discharge
2-position spray bar control lever On-Off
Three 3/4" garden hose bibs
Water Tank
Water tank capacity is 525 gallons (1,987 liters). Tank is
made of durable 1/4" wall polyethylene with integrated
baffles to reduce water movement during transportation.
Water tank can be quickly filled via 2” diameter steel pipe
with 2" QD coupler or vented 12” diameter port. In addition,
water tank has a rear spray bar that operates under
pressurized or gravity feed settings.
Additional features also include three standard garden hose
valves (fill/discharge and tank drain).
Hose Reel Assembly
The Water Trailer comes standard with the MQ WT5HR
industrial Hose Reel Assembly installed. The reel holds
the 1” x 50’ construction grade reinforced hose and fire
fog-nozzle that is rated at 200 psi. Anytime the Water Trailer
Main Manifold in is the discharge position, the Hose Reel
will be active.
Trailer and Frame
The trailer is a DOT-approved, double-axle trailer. Trailers
can be ordered with either a standard hydraulic surge brake
system or electric brake system. Trailers can be configured
with various hitch options.
Pump
The Multiquip QP205SHLF Centrifugal Pump, which is used
in conjunction with the water trailer, is a wet priming pump
and has the capability to pump at a rate of approximately
106 gallons/minute (gpm) or 400 liters/minute (lpm) at a
maximum pressure of 100 psi (690 kPa).
Centrifugal wet priming (self priming pumps) are designed
create a partial vacuum in the pump body.
The reduced atmospheric pressure inside the pump allows
water to flow through the suction line and into the pump
body. The centrifugal force created by the rotating impeller
pressurizes the water and expels it from the pump.
This centrifugal pump should only be used in clear water
applications (agricultural, industrial, residential) as it only
has a limited solid handling capability of only 10% by
volume.
Elevation
Higher elevations will affect the performance of the pump.
Due to less atmospheric pressure at higher altitudes,
pumps DO NOT have the priming ability that they have at
sea level. This is due to the “thinner air” or lack of oxygen
at higher altitudes.
Power Plant
The centrifugal pump, used by the water trailer, is powered
by a 3.5 horsepower, air- cooled, 4-stroke, single-cylinder,
HONDA GX160 gasoline engine that incorporates a low
“Oil Alert Feature.”
Oil Alert Feature
In the event of low oil or no oil, the HONDA GX160 engine
has a built-in oil shut-down feature. In the event the oil
level is low the engine will automatically shut down and
cannot be restarted until the oil level is brought up to a
safe operating level.
Accessories (Optional Items)
Suction Hose - NPT Thread
Suction Hose - Quick Disconnect Coupler
Discharge Hose - NPT Thread
Discharge Hose - Quick Disconnect Coupler
Discharge Hose - Fire Hydrant
Aluminum Couplers - QD
For convenience, a formed steel hose bin has been
provided for the storage of hoses and accessories during
transport.
WT5HP/WTE5HP/WT5HPSG WATER TRAILERS • OPERATION MANUAL — REV. #1 (03/14/17) — PAGE 13
Fire Hose Nozzle
Contact your nearest Multiquip dealer for any hoses or
accessories that you may need.
COMPONENTS (WATER TRAILER)
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24
25
26
27
1
2
18
19
23
22
21
20
17
15
10
16
3
13
14
4
12
11
6
8
7
9
5
Figure 2. Water Trailer Components
PAGE 14 — WT5HP/WTE5HP/WT5HPSG WATER TRAILERS • OPERATION MANUAL — REV. #1 (03/14/17)
COMPONENTS (WATER TRAILER)
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1. Water Tank — Capacity is 525 gallons (1,987 liters).
Fill with clean water with no debris.
2. Water Tank Fill Pipe — 2” diameter steel pipe. Connect
the 2" QD coupler end of this pipe to a fire hydrant.
An interface hose will be required to connect from the
pipe's QD coupler to the fire hydrant.
3. Water Tank Cap — Remove this cap (12-inch diameter
fill port) to fill water tank if using a fire hydrant type
method.
4. Document Box — Storage for documentation and
other information regarding the water trailer.
5. Tires — This water trailer uses ST205/75D 14" size
tires. Replace with only recommended type tires. Never
tow water trailer with bad or worn tires.
6. Low Point Drain Valve — A standard garden hose bib
located underneath manifold.
7. Manifold Control Handle — 3-position handle. Allows
3 different modes of operation, off, discharge or
suction.
8. VIN Tag/Serial Number — This is the formal VIN Tag.
The last 6 numbers of the VIN Tag represents the unit’s
serial number.
9. Garden Hose Drain Valve — When draining of the
water tank is required open this valve to drain water.
10. In-line Partial Strainer Valve — This in-line filter
provides quick and easy access to the suction side
strainer that can capture large debris that could have
been ingested while drawing water from natural water
sources. It is not intended to allow for the suction of
heavy debris-laden water.
11. 2.0" CAM and Groove Male QD Port — This port
(right-side) can be used as either a suction or discharge
port depending on the placement of the manifold
control handle.
12. 1.5" CAM and Groove Male QD Port — This port can
be used as either a suction or discharge port depending
on the placement of the manifold control handle.
13. Spray Bar Control Handle — 2-position handle, allows
spray bar to be turned either on or off.
14. Garden Hose Valve — When other options of filling
of the water tank are unavailable, a garden hose can
be connected to this valve to fill the water tank. A rigid
walled garden hose or suction type garden hose must
be used for this purpose.
In addition this valve can be used as a discharge port
depending on the position of the manifold control lever.
See Table 5.
15. Fill Cap — Prior to operation, the pump casing must
be filled with water. Remove this cap to add water to
the pump. After the initial prime, a sufficient amount of
water will be retained in the casing so that the operator
will not need to re-prime later.
16. Drain Plug — Remove this plug to drain water from
the pump.
17. Hydraulic Brake Actuator — This actuator
(Model WT5HP only) will be activated in the event of
a breakaway. The breakaway cable must be rigged to
the tow vehicle with appropriate slack that will activate
the system if the coupler connection comes loose.
18. Coupler Adapters — Reference Coupler Types
section under Trailer Guidelines. See page 42.
19. Electric Brake Actuator — This actuator (Model
WTE5HP only) will be activated in the event of a
breakaway. The breakaway cable must be rigged to the
tow vehicle with appropriate slack that will activate the
system if the coupler connection comes loose.
20. Engine — This water trailer uses a Honda GX160, 5.5 HP
air cooled 4-stroke, single cylinder gasoline engine.
21. 2.0" CAM and Groove Male QD Port — This port
(left-side) can be used as either a suction or discharge
port depending on the placement of the manifold
control handle.
22. Dust Cap — There are 3 dust caps that are used with
the manifold system. These caps prevent dirt and
debris from entering the water system and cap-off
the ports when the suction/discharge hoses are not
connected.
23. Hose Reel — Used for extracting water hose.
24. Storage Bin — Place hoses and accessories in this
bin during transport.
25. Spray Nozzles — Located at the rear of the water
trailer are two water spray nozzles. These nozzles can
operate under multiple pressure settings.
26. License Light — This light illuminates the license plate.
Whenever towing of the light tower is required, make
sure this light is operational.
27. Brake Lights — Before towing the water trailer, make
sure that these lights are operational and are working
correctly. Never tow the water trailer if these lights are
inoperative.
WT5HP/WTE5HP/WT5HPSG WATER TRAILERS • OPERATION MANUAL — REV. #1 (03/14/17) — PAGE 15
BASIC ENGINE
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1
9
7
8
6
12
11
Figure 3. Engine Components
2
10
3
5
4
INITIAL SERVICING
The engine (Figure 3) must be checked for proper
lubrication and filled with fuel prior to operation. Refer to the
engine manufacturer’s manual for instructions and details
of operation and servicing.
1. Fuel Filler Cap — Remove this cap to add unleaded
gasoline to the fuel tank. Make sure cap is tightened
securely. DO NOT over fill.
DANGER
Adding fuel to the tank should be done
only when the engine is stopped and has
had an opportunity to cool down. In the
event of a fuel spill, DO NOT attempt to
start the engine until the fuel residue has
been completely wiped up, and the area surrounding
the engine is dry.
2. Throttle Lever — Used to adjust engine RPM speed
(lever advanced forward SLOW, lever back toward
operator FAST).
3. Engine ON/OFF Switch — ON position permits engine
starting, OFF position stops engine operations.
4. Recoil Starter (pull rope) — Manual-starting method.
Pull the starter grip until resistance is felt, then pull
briskly and smoothly.
5. Fuel Valve Lever — OPEN to let fuel flow, CLOSE to
stop the flow of fuel.
6. Choke Lever — Used in the starting of a cold engine,
or in cold weather conditions. The choke enriches the
fuel mixture.
7. Air Cleaner — Prevents dirt and other debris from
entering the fuel system. Remove wing-nut on top of
air filter canister to gain access to filter element.
NOTICE
Operating the engine without an air filter, with a
damaged air filter, or a filter in need of replacement
will allow dirt to enter the engine, causing rapid engine
wear.
WARNING
Engine components can generate extreme
heat. To prevent burns, DO NOT touch
these areas while the engine is running or
immediately after operating. NEVER operate
the engine with the muffler removed.
8. Spark Plug — Provides spark to the ignition system.
Set spark plug gap to 0.6 - 0.7 mm (0.028 - 0.031 inch)
Clean spark plug once a week.
9. Muffler — Used to reduce noise and emissions.
10. Fuel Tank — Holds unleaded gasoline. For additional
information refer to engine owner's manual.
PAGE 16 — WT5HP/WTE5HP/WT5HPSG WATER TRAILERS • OPERATION MANUAL — REV. #1 (03/14/17)
BEFORE STARTING
Discount-Equipment.com
1. Read all safety instructions at the beginning of manual.
INSPECTION (ENGINE)
2. Clean the unit, removing dirt and dust, particularly the
engine cooling air inlet, carburetor and air filter.
3. Check the air filter for dirt and dust. If air filter is dirty,
replace air filter with a new one as required.
4. Check carburetor for external dirt and dust. Clean with
dry compressed air.
5. Check fastening nuts and bolts for tightness.
ENGINE OIL CHECK
1. To check the engine oil level, place the unit on secure
level ground with the engine stopped.
2. Remove the filler dipstick from the engine oil filler hole
(Figure 4) and wipe it clean.
DIPSTICK
UPPER LIMIT
LOWER LIMIT
Figure 5. Engine Oil Dipstick (Oil Level)
FUEL CHECK
DANGER
Motor fuels are highly flammable and can be
dangerous if mishandled. DO NOT smoke
while refueling. DO NOT attempt to refuel if
the engine is hot or running.
1. Remove the gasoline cap located on top of fuel tank.
2. Visually inspect to see if fuel level is low. If fuel is low,
replenish with unleaded fuel.
Figure 4. Engine Oil Dipstick (Removal)
3. Insert and remove the dipstick without screwing it into
the filler neck. Check the oil level shown on the dipstick.
4. If the oil level is low (Figure 5), fill to the edge of the
oil filler hole with the recommended oil type (Table 4).
Maximum oil capacity is 0.63 quarts (0.6 liters).
Table 4. Oil Type
Season Temperature Oil Type
Summer 25°C or Higher SAE 10W-30
Spring/Fall 25°C ~ 10°C SAE 10W-30/20
Winter 0°C or Lower SAE 10W-10
NOTICE
Refer to engine manufacturer’s manual for specific
servicing instructions.
FUEL
CAP
Figure 6. Fuel Level Check
3. When refueling, be sure to use a strainer for filtration.
DO NOT top-off fuel. Wipe up any spilled fuel.
WT5HP/WTE5HP/WT5HPSG WATER TRAILERS • OPERATION MANUAL — REV. #1 (03/14/17) — PAGE 17
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