4-1
4. Periodic Maintenance
PERIODIC MAINTENANCE SCHEDULE
WARNING
Accidental or remote starting can
cause severe personal injury or death. Discon-
nect the negative (–) cable at the battery to pre-
vent starting while working on the genset.
Periodic maintenance is essential for top perfor-
mance and long genset life. Use Table 4-1 as a
guide for normal periodic maintenance.
Maintenance, replacement or repair of emission
control devices and systems may be performed by
any engine repair establishment or individual. How-
ever, warranty work must be completed by an au-
thorized Onan service representative.
TABLE 4-1. PERIODIC MAINTENANCE SCHEDULE
After
First
50 Hrs
Every
Day /
8 Hrs
Every
Month/
100 Hrs
Every
Year/
200 Hrs
Every
Year/
500 Hrs
Every
800 Hrs
Every
2 Years
Every
5 Years/
2000 Hrs
Page
General Inspection x
1
4-2
Check Engine Oil Level x 4-3
Check Battery x
2
4-2
Check V-Belt Tension x
3
4-9
Drain Fuel Filters x 4-5
Check Siphon Break x 4-8
Change Oil/Oil Filter x x 4-4
Check Brushes/Slip Rings x
5
4-4
Replace Fuel Filters x 4-5
Replace Pump Impeller x 4-10
Adjust Engine Valve Lash x –
Replace Coolant, Pressure
Cap & Thermostat
x
4
4-6
Check Generator Bearings,
Drive Belt, Belt Tensioner &
Drive Coupling
x
5
–
1. Includes inspection of Oil Level, Coolant Level, Fuel System, Exhaust System, Batteries and Sea Water Strainer.
2. See battery manufacturer’s recommendations
.
3. Check for slippage, cracking and wear (pump drive belt only).
4. There is no zinc anode to replace.
5. Must be performed by a trained and experienced mechanic (Onan Distributor/Dealer) in accordance with the engine and gen-
set Service Manuals
.
Redistribution or publication of this document,
by any means, is strictly prohibited.
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