19 - English
MAINTENANCE
PERIODIC MAINTENANCE SCHEDULE
NOTE: If a separate engine manual is provided for this pressure washer, please follow the maintenance schedule provided
in the engine manual instead of the maintenance information listed below.
Maintenance Items Each use Weekly 50 hrs 200 hrs 500 hrs
Add fuel stabilizer X
Add pump protector X
Check pump lubricant level X
Check pump lubricant quality (for discoloration or contamination) X
Check for pump lubricant leaks - inspect oil seals, drain plug, oil
plug, sight glass
X
Check for water leaks under manifold, into crankcase X
Plumbing X
Change pump lubricant
X (initial
change)
X
1
Change pump seals X
3
X
3
Clean engine and check nuts and bolts X
Check and refill engine lubricant X
Change engine lubricant (initial change)
2
X
Change engine lubricant X (Every 100 hours)
Clean spark plug X
Clean air filter X
Replace air filter element X
Replace fuel tank outlet filter X (Every 100 hours)
Clean and adjust spark plug and electrodes X
Replace spark plug X
1 If other than Cat Pumps special formula premium grade ISO68 hydraulic oil is used, change cycle should be every 300 hours.
2 Initial lubricant change should be performed after first 20 hours of operation. Thereafter, change lubricant every 100 hours.
3 Pump seals should be replaced at 200 hours if unit is used commercially. In residential use, replace seals after 500 hours.
NOTE: If you are not sure how to perform any of the maintenance items listed above, take the unit to a qualified service
center to have the maintenance item performed.
Clean the air filter.
Extend the starter grip and rope to check its condition.
If the rope is frayed, have it replaced immediately by a
qualified service center.
Remove all hoses. Coil the hoses and store. Do not allow
the hose to become kinked.
Store the unit and accessories in an area that does not
reach freezing temperatures. Do not store near furnace or
other sources of heat that could dry out the pump seals.
PREPARING FOR USE AFTER STORAGE
Pull the starter grip and rope three or four times to clean
lubricant from the combustion chamber.
Remove spark plug from the cylinder. Wipe lubricant from
the spark plug and return it to the cylinder.
Reconnect the spark plug wire.
Refuel the machine as described earlier in the operator’s
manual.
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