4-4
ENGINE MAINTENANCE SCHEDULE
OPERATION
AFTER EACH CYCLE OF INDICATED
HOURS
8
25
50 100 200 500 1000
Inspect Engine Generally
X
1
Check Oil Level
X
Service Air Cleaner Element And Element Wrapper
X
2
Change Crankcase Oil (20 hp engine)
X
3
X
2
Change Crankcase Oil (24 hp engine)
X
3
X
2
Replace Oil Filter
X
3
X
2
Check Battery Electrolyte Level
X
Clean Cooling Fins
X
2
Replace Air Cleaner Element
X
2
Replace Fuel Filter
X
Check or Replace Spark Plugs
X
Check Valve Clearance
X
4
Clean Carbon and Lead Deposits (cylinder head)
X
5
NOTES:
X
1
. Check for fuel leaks. With engine running, visually and audibly check exhaust system for leaks.
X
2
. Perform more often when running under severe operating conditions.
X
3
. Required for initial break-in only.
X
4
. For detailed maintenance, contact an Onan Service Center or refer to the Service Manual.
X
5
. Clean carbon more frequently when running under continuous light load and/or on leaded fuel. Use of
Onan 4C carburetor and combustion cleaner is recommended every 200 hours to help reduce carbon
buildup.
WARNING
BREATHING EXHAUST GASES CAN RESULT IN SEVERE PERSONAL INJURY OR
DEATH. DO NOT USE AIR CLEANER, EXHAUST ELBOW, OR CONNECTING PARTS
AS A SUPPORTING STEP. DAMAGE TO THESE AND CONNECTING PARTS CAN
CAUSE AN EXHAUST LEAK.
Table 4-3 Hydraulic Engine Maintenance Schedule
Summary of Contents for 330A
Page 3: ...MODEL 330A SEMITRAILER OPERATOR S MANUAL PURCHASED FROM DATE ADDRESS PHONE NO SERIAL NO...
Page 8: ......
Page 12: ......
Page 20: ...3 8 Figure 3 3 Steps for Loading and Unloading...
Page 26: ...3 14 Figure 3 7 Rear Impact Guard System...
Page 34: ...4 6 Figure 4 2 330A Wiring Diagram...
Page 35: ...4 7 Figure 4 3 Remote Wiring Diagram...
Page 40: ...4 12 Figure 4 6 Examples of Camber Figure 4 7 Checking Axle for Bend...
Page 44: ...4 16 Figure 4 11 Axle and Brake Assembly...
Page 47: ...4 19 Figure 4 13 Three Spoke Wheel and Drum Figure 4 14 Outboard Mount Hub and Drum...
Page 52: ...4 24 Figure 4 19 Mounting Tires and Wheels Figure 4 20 Stud Tightening Sequence...
Page 54: ......
Page 62: ...NOTES 5 8...