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INSTRUCTIONS:
PETROL W ATER PUMP 50mm 5.5hp
MODEL No: EWP050
Thank you for purchasing a Sealey product. Manufactured to a high standard, this product will, if used according to these
instructions and maintained properly, give you years of trouble free performance.
IMPORTANT: PLEASE READ THESE INSTRUCTIONS CAREFULLY. NOTE THE SAFE OPERATIONAL REQUIREMENTS, WARNINGS & CAUTIONS. USE THE PRODUCT
CORRECTLY AND WITH CARE FOR THE PURPOSE FOR WHICH IT IS INTENDED. FAILURE TO DO SO MAY CAUSE DAMAGE AND/OR PERSONAL INJURY AND WILL
INVALIDATE THE WARRANTY. KEEP THESE INSTRUCTIONS SAFE FOR FUTURE USE.
Refer to
Instructions
Wear eye
protection
Wear ear
protection
1. SAFETY INSTRUCTIONS
1.1 GENERAL SAFETY
WARNING! Stop the engine and disconnect the inlet and outlet
pipes before performing any maintenance.
WARNING! Do not operate the pump if damaged. Replace or
repair using recommended parts only. Unauthorised parts may
be dangerous and will invalidate your warranty. Use authorised
Service agent only.
Keep the pump in good condition. Regular maintenance will
give the best and safest performance.
WARNING! DO NOT operate the pump without any water
passing through it. To do so will damage the machine.
WARNING! DO NOT operate the pump without the priming it
first. To do so will damage the machine.
WARNING! Use the pump on a flat, level surface, in a
horizontal position. Failure to do so will invalidate your warranty.
Wear safety goggles, adequate protective clothing and
anti-slip rubber soled footwear.
Keep all persons and animals at a safe distance from the
working pump
DO NOT allow children or untrained persons to operate the pump.
DO NOT use the pump if the water inlet pipe is damaged.
Also check that the hose is laid out straight and safely.
DO NOT try to move the pump by pulling on the inlet or outlet
pipes. Use the machine frame.
DO NOT direct the pump output towards yourself, other
persons or animals, electrical equipment or the pump itself.
DO NOT use the pump if you are tired or under the influence of
alcohol, drugs or intoxicating medication.
When not in use, drain any water from the pump. Clean and
dry the pump and store in a safe, dry, childproof area.
DO NOT allow the pump to become frozen.
1.2 ENGINE SAFETY
WARNING! Check the engine oil level before each startup.
Only use an SAE10W30 oil and never operate the engine
with insuffient oil.
WARNING! DO NOT touch spark plug or plug lead with wet (or
dry) hands whilst the engine is running - severe, potentially
fatal, electric shock may result.
For safety instructions relative to the maintenance and use of
the petrol engine refer to the engine instruction manual.
DO NOT check ignition system by removing the spark plug or
spark plug lead. Use specific tester or contact service agent.
DO NOT operate the pump in an enclosed area as the motor
exhaust fumes are a health hazard.
DO NOT
DO NOT leave the pump unattended whilst operating, and DO
NOT remove the fuel cap whilst the engine is running.
DO NOT refuel the engine whilst it is running. Stop the engine
and allow it to cool for two minutes before attempting to refuel.
DO NOT refuel in a closed or poorly ventilated environment as
there is a danger of explosion or fire. Refuel out doors.
DO NOT smoke or place the pump near any naked flames
whilst re-fuelling.
DO NOT operate pump if there is a fuel leak. Move the unit and
avoid any combustion until the leak has been fixed and the
machine is dry.
DO NOT start the engine if there are any flammable materials
near the exhaust system or in the path of the exhaust gases.
© Jack Sealey Limited
use the pump with flammable, toxic or corrosive liquids.
Original Language Version
Wear protective
gloves
DO NOT block the engine ventilation grilles.
Ensure engine fuel is stored in an approved container.
For long term storage ensure the fuel is drained and that the
pump is adequately protected against frost.
DO NOT operate the engine with either the silencer or air filter
removed.
DO NOT touch the engine during or after use. To avoid burns
allow it to cool before handling.
2. INTRODUCTION & SPECIFICATION
Introduction:
Economically designed petrol powered water pump with recoil
starting. Suitable for on site applications where mains power supply is
not available. Featuring 50mm inlet/outlet with 26mtr pumping head
offering a high flow rate up to 600ltr/min of water. Fitted on to frame
with high density rubber shock absorbers, frame also aids with
protection from accidental damage.
Model No: ....................................... EWP050
Motor Power: ........................................5.5hp
Motor Type: ...............................4-stroke/Unleaded
Inlet Ø: ............................................50mm
Outlet Ø: ...........................................50mm
Maximum Output: .................................600ltr/min
Maximum Head: .....................................26mtr
Maximum Suction Head: ................................8mtr
Maximum Tank Capacity: ...............................3.6ltr
Noise Rating LwA: ....................................99dB
Dry Weight: ..........................................27kg
Dimensions: ................................. 477 x 385 x 417
Lay Flat Hose: ....................................LFH1050
Solid Wall Hose: ................................EWP050SW
3. FITTINGS & ACCESSORIES
fig.1
Fittings:
1. Air filter cover
2. Air filter
3. Inlet/Outlet connector x 2
4. Connector locking ring x 2
5. Sealing washer x 2
6. Wire pipe clamp x 3
7. Petrol tank cap
8. Filter basket
9. Filter basket cover
10. Petrol tank filter
11. Spark plug spanner bar
12. Spark plug spanner
EWP050 Issue :4(L) -10/07/17
Page 2
fig.2
4. CONNECTING THE PUMP
4.1 ASSEMBLE CONNECTORS ONTO PUMP (See fig.2)
4.1.1 Take the two inlet/outlet connectors (3) and stretch a sealing
washer (5) over each connector and push it down over the ribs
so that it comes to rest on the connector flange.
4.1.2 Insert each connector into the back of a connector locking ring
(4) and push fully home.
4.1.3 Screw one connector assembly onto the pump inlet as shown
above in fig.2. Screw the other assembly onto the pump outlet
as shown above and hand tighten both.
4.1.4 Snap the filter basket cover (9) onto the top of the filter basket
(8) as shown in fig.3.
4.2 CONNECTION TO FLEXIBLE PIPING (See fig.3)
4.2.1 Bearing in mind the depth of the water to be pumped and the
distance of the pump from the pumping site cut a suitable length
of flexible piping (int.Ø 50mm).
4.2.2 Slide a wire hose clamp over one end of the pipe and push the
filter basket assembly fully into the end of the pipe. Slide the
wire hose clamp back down over the joint and fully tighten to
retain the filter basket.
4.2.3 Slide a wire hose clamp over the other end of the pipe and push
the pipe fully onto the pump inlet connector. Slide the wire
hose clamp back down over the joint and fully tighten.
4.2.4 Cut the required length of flexible pipe for the outlet side of the
pump. Slide a wire hose clamp over the end of the pipe and
push the pipe fully onto the pump outlet connector. Slide the
wire hose clamp back down over the joint and fully tighten.
4.2.5 Submerge the filter basket in the water to be pumped. The filter
basket must be at least 0.3m below the surface of the water and
1.2m above the deepest part of the water to prevent debris
blocking the filter basket. (See fig.3). Ensure that the suction
pipe remains in the position intended.
4.2.6 Ensure that the outlet pipe is correctly placed to discharge into
the intended area.
4.2.7 IMPORTANT! Unscrew the cap from the priming port at the
top of the pump and fill the chamber with water. (See fig.2)
Replace the cap.
4.3 CONNECTION TO RIGID PIPING
4.3.1 If the pump is required to service a particular situation on a
permanent or semi-permanent basis it may be plumbed in using
rigid piping connected directly to the threaded inlet and outlet
collars on the pump.
4.3.2 In this situation the pump must be sited on a level, stable
surface such as concrete and the connecting pipework must be
rigidly supported.
4.3.3 The pump must not be placed in an unventilated enclosure
where the exhaust gases cannot escape or may be a breathing
hazard to the operator.
4.3.4 The pump must also be sited to allow good access to all sides
of the unit in order to easily use and service the petrol engine.
fig.3
5. OPERATING THE PUMP
5.1. MANUAL STARTING PROCEDURE.
5.1.1 IMPORTANT! If the pump has not been primed, do it now,
otherwise the pump may be damaged. See section 4.2.7.
5.1.2 When the machine is new it should be 'run in'. This means
running the unit at low speed and low load for the first 20
hours.
5.1.3 Check engine oil level before each use.
5.1.4 Check that the inlet and outlet hoses are laid straight and
untwisted. Check to ensure there are no leaks from hoses or
connections.
fig.4
© Jack Sealey Limited
Original Language Version
EWP050 Issue :4(L) -10/07/17
Page 3
5.1.5 Rotate the engine switch clockwise to the ON position. See fig.5.
5.1.6 Fig.4 shows the fuel tap in the OFF position. Push the fuel tap
over to the right to the open position.
5.1.7 If the engine is cold move the choke lever to the left to close
the choke.
5.1.8 Move the throttle lever left to the fully open position then
ease it back slightly, fig.4 shows the throttle in the fully
closed position.
5.1.9 Take hold of the recoil starter handle (see fig.5) and pull it
slowly until you feel resistance, then let it return slowly.
5.1.10Now pull the starting handle hard and fast all the way out. Use
two hands if necessary.
5.1.11 If the engine doesn’t start repeat the process from 5.1.8.
5.1.12Once started adjust throttle lever to the required setting and
return the choke to the open position when the engine is
warm.
5.2. SHUT DOWN PROCEDURE.
5.2.1 When pumping has finished stop the engine by pushing the
throttle lever fully to the right. (See fig.4) and turn the engine
switch to the OFF position.
5.2.2 Turn off the fuel tap. (See fig.4)
5.2.3 In an emergency turn the engine switch to the OFF position.
6. MAINTENANCE (PUMP)
Maintenance should only be performed with the engine turned
off and the unit disconnected from the inlet and outlet pipes.
6.1 WINTER STORAGE: To prevent ice damage to the pump
during winter storage drain water out of the pump by removing
the stopper from the drain port seen in fig.2. Replace the
stopper when all water has drained out.
6.2 PUMP SEALS: During the course of the working life of the
pump it may be necessary to replace the pump seals. If this
service is required the unit should be returned to your local
Sealey dealer for maintenance by qualified engineers.
7. MAINTENANCE (ENGINE)
7.1 Change engine oil after the first 20 hours of operation.
Thereafter, change oil every six months or every 100 hours of
operation. Change oil more often if engine is operated under
heavy load, or in high ambient air temperatures. Top-up with
an SAE10W30 oil. Failure to change the the oil according to
the conditions defined above will invalidate your warranty.
at the lowest level or below, top-up immediately with an
SAE10W30 oil.
7.2.3 Screw dipstick fully home to seal oil fill hole.
fig.6
7.3 CHANGING THE OIL.
7.3.1 Operate the engine for 3 minutes to warm the oil and then
stop the engine using the shut down procedure described in
section 5.2. Place a suitable container below the frame,
remove the plug and allow the oil to drain. Replace the drain
plug and refill with fresh oil. Check the oil level using the
dipstick. Dispose of the old oil according to local authority
guidelines.
7.4 FUEL FILTER: The fuel filter is in the neck of the fuel tank.
Clean it every 300 hours.
7.5 AIR FILTER. To access the air filter element unscrew and
remove the wing nut on the top of the cover. Lift the air filter
cover (1) off its threaded mounting rod
7.5.1 Remove the foam filter (2) from the air intake base moulding.
7.5.2 Wash the foam element with a household detergent or a high
flash-point solvent and squeeze dry. When the element is
thoroughly dry soak it in clean engine oil. Squeeze out any
excess oil, fit back over the air intake base moulding.
7.5.3 Place the air filter cover onto the threaded rod and secure with
the wing nut.
7.5.4 The foam element should be replaced after every 300 hours of
service.
fig.5
7.2 CHECKING THE OIL LEVEL. Ensure the unit is on a level
surface.
7.2.1 Unscrew the dipstick/oil filler cap (see fig.5) and wipe it
clean of oil. Note that the maximum oil level should be just
below the opening of the filler neck.
7.2.2 Check the oil level by seating the dipstick into the hole
without screwing it in. See fig.6. On removal the oil level
should be between the two marks on the dipstick. If it is
fig.7
fig.8
© Jack Sealey Limited
Original Language Version
EWP050 Issue :4(L) -10/07/17
Page 4
7.7 SPARK PLUG. To remove the spark plug, pull off the spark
pluglead(g.9)andremovethesparkplug(g.12)usingthe
sparkplugwrenchsupplied(g.10).
Note: Care must be taken if the engine is hot due to the close proximity
of the exhaust silencer to the spark plug.
7.7.1 Clean spark plug using a wire brush and check the insulator for
damage, replace if damaged or at service schedule.
7.7.2 Checktheelectrodeclearance(g.11)withafeelergauge,
adjust if required using a plug gap tool.
7.7.3 Replacesparkplugandretpluglead.
fig.9
fig.11
fig.12
fig.10
8. ENGINE MAINTENANCE SCHEDULE
Operation Hours Daily
Task
Check and tighten nuts and bolts Check
Oil Level Check
Engine oil
Replace
Check
Replace air cleaner element
Clean
First Month
or 20hrs
Every 3 months
or 50hrs
Every 6 months
or 100 hrs
Every 12 months
or 300hrs
Replace
Clean / Adjust
Spark Plug
Replace
Fuel Tank & Fuel Filter Clean
Fuel Supply Line Check Every 2 years (replace if required)
Carburettor Deposit Cup Clean
Idling Check / Adjust
Intake and exhaust valve clearances Check / Adjust
© Jack Sealey Limited
Original Language Version
EWP050 Issue :4(L) -10/07/17
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9. GENERAL TROUBLESHOOTING
PROBLEM POSSIBLE CAUSES REMEDY
NO OUTPUT FROM PUMP Not fully primed Openprimingportandllchamberwithwater
Inlet pipe leakage Tighten clamp and/or renew pipe
Pump speed too slow Investigate cause / increase speed if required
Filter basket is clogged Remove obstruction / debris
Suction / overall head too high Reduce instalation height to recommended levels
Damaged pump seal causing air leak Return to Sealey dealer to install new seals
INSUFFICIENT FLOW OF
WATER
EXCESSIVE FUEL
CONSUMPTION
FLOW CEASES SUDDENLY Inlet connector loose and leaking Tighten connector locking ring
UNIT NOISY & VIBRATING Cavitation caused by too high a suction head Lower the position of the pump
Filter basket, impeller or pipeline obstructed Inspect and clear obstruction
Speed is too slow Increase speed
Impeller seal badly worn Return to Sealey dealer for adjustment or replacement
Inlet pipe leakage Tighten clamp and/or renew pipe
Damaged impeller Return to Sealey dealer for replacement
Impeller rubbing on casing Return to Sealey dealer for adjustment
Impeller obstructed by weeds or foreign matter Clear obstruction
Cavitation caused by too high a suction head Lower the position of the pump
Excessive water output Decrease speed to reduce output
Input pipe obstructed by foreign body Inspect and clear obstruction
Loose rotary part ReturntoSealeydealerforidenticationandreplacement
Unstable pump instalation Stop engine and consolidate position of unit
Air in the pump or pipeline Stop engine, open priming port to release air
Impeller damaged Return to Sealey dealer for replacement
Parts support is available for this product. To obtain a parts listing and/or diagram, please log on to
www.sealey.co.uk, email sales@sealey.co.uk or telephone 01284 757500
ENVIRONMENT PROTECTION
Recycle unwanted materials instead of disposing of them as waste. All tools, accessories and packaging should be sorted, taken to
a recycling centre and disposed of in a manner which is compatible with the environment. When the product becomes completely
unserviceable and requires disposal, drain any fluids (if applicable) into approved containers and dispose of the product and fluids
according to local regulations.
Note: It is our policy to continually improve products and as such we reserve the right to alter data, specifications and component parts without
prior notice.
Important: No Liability is accepted for incorrect use of this product.
Warranty: Guarantee is 12 months from purchase date, proof of which is required for any claim.
Sealey Group, Kempson Way, Suffolk Business Park, Bury St Edmunds, Suffolk. IP32 7AR
01284 757500 01284 703534 sales@sealey.co.uk www.sealey.co.uk
© Jack Sealey Limited
Original Language Version
EWP050 Issue :4(L) -10/07/17
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