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  6.  MAINTENANCE (WASHER)

6.2

 

Check and clean the water inlet filter every 50 operating  

 

hours. The filter is moulded into a rubber washer. Unscrew  

 

the brass connector from the black fitting on the water inlet on  

 

the pump. Push the black fitting backwards which will eject  

 

the filter/washer and then clean the filter washer. If the filter is  

 

damaged in any way it should be replaced. 

6.3

 

Check and clean the detergent filter at the end of the  

 

detergent input tube on a regular basis.

6.4 

WINTER STORAGE:

  Fill the pump with an antifreeze  

 

mixture before storing in a frost free, safe, dry area for the  

 

winter. Introduce the antifreeze by the following method.

6.4.1 

Shut off the water supply and disconnect the supply hose.  

 

Relieve pressure within the pump by squeezing the gun  

 

trigger. Remove the high pressure hose and let all water drain  

 

from it. Hold gun/lance with nozzle downwards and pull  

 

trigger until all water has drained out.

6.4.2 

Connect a short length of garden hose to the water inlet and  

 

using a funnel pour an antifreeze mixture into it.

6.4.3 

Pull the recoil starter several times to circulate the antifreeze  

 

through the pump. Continue to add antifreeze and pull the  

 

recoil until antifreeze is expelled from the pump.  

5.1. 

MANUAL STARTING PROCEDURE.

5.1.1 

Check engine oil level before each use.

5.1.2 

Check that the mains water feed hose is laid straight, and 

 

then fully open the water tap. Check to ensure there are no 

 

leaks from hoses or connections. 

5.1.3 

Release gun trigger safety catch and depress trigger to allow  

 

any air left in the system to escape, hold until there is a steady  

 

flow of water coming out and release the trigger. 

5.1.4 

Rotate the engine switch clockwise to the ON position. See fig.8.

5.1.5 

Fig.7 shows the fuel tap in the OFF position. Push the  

 

fuel tap up to the right to the open position.

5.1.6 

If the engine is cold move the choke lever to the left to close  

 

the choke.

5.1.7 

Move the throttle lever slightly to the left, fig.7 shows the  

 

throttle in the full throttle position.

5.1.8 

Turn the engine switch to the ON position. 

5.1.9 

Take hold of the recoil starter handle (see fig.1) and pull it  

 

slowly until you feel resistance, then let it return slowly.

5.1.10  Now 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 5.1.9.
5.1.12  Once started adjust throttle valve to the required setting and  
 

return the choke to the open position when the engine is warm.

5.2. 

CLEANING

5.2.1.  Only apply detergent using the BLACK low pressure nozzle.
5.2.2.  Depress the trigger to apply the detergent to the 

dry surface

  

 

which is to be cleaned.

 

Vertical surfaces should be cleaned from the bottom upwards. 

5.2.3 

When detergent application is complete remove the syphon  

 

tube from the detergent container and place it in a container  

 

of clean water. Run the washer at low pressure to purge the  

 

gun of detergent.

5.2.4.  Leave the detergent to act for 1-2 minutes, but 

DO NOT  

 

allow the surface to dry. 

fig.7

fig.8

fig.9

5.2.5.  The detergent should be rinsed off using either the YELLOW  
 

or WHITE high pressure nozzles depending on the   

 

spray angle required. 

Do not use the RED nozzle as the  

 

aggressive spray action may erode the surface being  

 

cleaned. 

Always lock the gun trigger before changing nozzles.

5.2.6.  Hold the gun firmly with both hands and commence washing  
 

with high pressure clean water. When rinsing work from the  

 

top to the bottom to avoid streaks. 

Note: 

  Care should be taken when selecting the nozzle for the job in  

 

hand. The distance from the nozzle to the surface being  

 

cleaned will depend on the condition of that surface. Always  

 

start further away and slowly move closer until the level of  

 

cleaning required is achieved.

5.3. SHUT DOWN PROCEDURE.

5.3.1 

When cleaning has finished and the unit is no longer  

 

required allow the engine to run unloaded for 2 minutes  

 

before shutting down.

5.3.2 

Stop the engine by pushing the throttle lever fully to the right.  

 

(See fig.7) and turn the engine switch to the OFF position.

5.3.3 

Turn off the fuel tap. (See fig.7)

5.3.4 

Turn off the  mains water supply. 

5.3.5 

Discharge residual pressure from the washer by pressing the  

 

trigger until no more water comes out of the nozzle. 

5.3.6 

Engage the gun trigger safety catch.

5.3.7 

In an emergency turn the engine switch to the OFF position.

 

CAUTION! 

 

a)  Avoid sudden bursts of water as this will cause the  

  

water pressure to drop and put extreme pressure on the  

  

hoses and connections.  

 

b)   If another person is using water from the same supply as  

  

the washer, the water pressure will drop and the washer  

  

will not operate correctly. Switch the engine off   

  

immediately and wait until the pressure is restored.

Maintenance should only be performed with the engine turned 
off and the unit disconnected from the mains water supply.
6.1 

CLEANING THE NOZZLES:

 Pull back the brass sleeve on  

 

the end of the lance and pull out the nozzle. Clean the nozzle  

 

with wire provided (fig 9). If this does not improve the flow  

 

from the nozzle it should be replaced.

Throttle Lever

Fuel Tap

Choke

Carburettor Drain plug

Recoil Starter

Engine ON / OFF Switch

Original Language Version

PCM2500SP    Issue: 2 - 16/10/09

Summary of Contents for PCM2500SP

Page 1: ...on and DO NOT pull the trigger without holding and aiming the gun correctly WARNING DO NOT attempt to alter the pressure regulating valve as this may cause serious damage DO NOT move the washer by pulling on the high pressure hose or the mains water supply hose Use the machine handle DO NOT direct jet against yourself other persons or animals electrical equipment or the machine itself WARNING DO N...

Page 2: ...e liquid detergent injection system with provision for detergent bottle stowage Safety latch on trigger and automatic low oil engine shutdown reduce risks of misuse and equipment damage Unit stands on four legs two with sucker feet to prevent creep and tilts back onto two pneumatic tyred wheels for moving Supplied with tools and full Instructions fig 1 Nozzle Holder Fuel Tank Air Filter High Press...

Page 3: ...he pump inlet as shown in fig 6 USE COLD WATER ONLY Note The water supply hose must be reinforced and have an internal diameter of 13mm 1 2 The minimum water supply rate must be at least equal to the washer flow rate The siphon pipe may require priming if drawing water from a level lower than the pump 3 2 DETERGENT DELIVERY 3 2 1 Attach the BLACK low pressure nozzle to the end of the lance Remove ...

Page 4: ...2 CLEANING 5 2 1 Only apply detergent using the BLACK low pressure nozzle 5 2 2 Depress the trigger to apply the detergent to the dry surface which is to be cleaned Vertical surfaces should be cleaned from the bottom upwards 5 2 3 When detergent application is complete remove the syphon tube from the detergent container and place it in a container of clean water Run the washer at low pressure to p...

Page 5: ... mounting rod 7 6 1 Remove the metal retainer and the foam filter from the inside of the outer air filter casing 7 6 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 into the outer casing and replace the metal retainer 7 6 3 Place the air filter back ov...

Page 6: ...ths or 300hrs Task Check and tighten nuts and bolts Check Engine oil Oil Level Check Replace Replace air cleaner element Check Clean Replace Spark Plug Clean Adjust 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 Original Language Version PCM2500SP Issue 2...

Page 7: ...nozzle Trigger will not move Trigger lock engaged Release trigger lock Noisy operation Worn bearings Return to Sealey dealer for bearing replacement Tappet clearances excessive Return to Sealey dealer for servicing Cavitation in pump Check inlet hose for correct size or leaks Rough pulsating operation with pressure drop Inlet restriction Check inlet hose for correct size blockages or leaks Cavitat...

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