MAINTENANCE
PERIODIC MAINTENANCE SCHEDULE
Maintenance Items
Check pump oil level
Check pump oil quality (for discoloration or
contamination)
Check for pump oil leaks - inspect oil seals, drain
plug, oil plug, sight glass
Check for water leaks under manifold, into crankcase
Plumbing
Change pump oil
Change pump seals
Clean engine and check nuts and bolts
Check and refill engine oil
Change engine oil (initial change)
Change engine oil
Clean spark plug
Clean air filter
Replace air filter element
Clean fuel cap
Clean and adjust spark plug and electrodes
Replace spark plug
1 If other than Cat Pumps special formula premium grade ISO68 hydraulic oil is used, change cycle should be every 300
hours.
2 Initial oil change should be performed after first 20 hours of operation. Thereafter, change oil every 100 hours.
NOTE: If you are not sure how to perform any of the maintenance items listed above, take the unit to an authorized
service center to have the maintenance item performed.
TROUBLESHOOTING
PROBLEM
Engine fails to start
Each use
2
CAUSE
Engine switch is in OFF position.
Fuel valve lever is OFF.
No fuel in tank.
Spark plug shorted or fouled.
Spark plug is broken (cracked porcelain or
electrodes broken).
Ignition lead wire shorted, broken, or discon-
nected from spark plug.
Ignition inoperative.
Oil level is too low.
Oil level is too high.
16 - English
Weekly
50 hrs
X
X
X
X
X
X (initial
change)
X
X
X
X (Every
100 hours)
X
X
Move switch to start.
Move the lever to ON.
Fill tank.
Replace spark plug.
Replace spark plug.
Replace lead wire or attach to spark plug.
Contact authorized service center.
Add oil to engine.
Drain until oil reaches proper level.
200 hrs 500 hrs
1000 hrs
X
1
X
X
X
X
X
SOLUTION