Operations Manual

MAINTENANCE
Table 2: Maintenance Schedule – Authorized Tomahawk Service Dealer Performed
Maintenance
Item
Before Every
Use
After First 20
Hours or First
Month of Use
After 50 Hours
of Use or Every
3 Months
After 100 Hours
of Use or Every
6 Months
After 300 Hours
of Use or Every
Year
Valve Clearance
–
–
–
–
Check/Adjust
Fuel Filter
–
–
–
Check/Clean
–
Idle Speed
–
–
–
–
Check/Adjust
ENGINE OIL MAINTENANCE
Engine Oil Specification
1. Only use the engine oil specified in Figure 25.
2. Only use 4-stroke/cycle engine oil. NEVER
USE 2-STROKE/CYCLE OIL. Synthetic oil is an
acceptable substitute for conventional oil.
Figure 25 – Recommended Oil
Checking Engine Oil
NOTICE
Always maintain proper engine oil level. Failure to
maintain proper engine oil level could result in severe
damage to the engine and/or shorten the life of the
engine.
Always use the specified engine oil. Failure to use the
specified engine oil can cause accelerated wear
and/or shorten the life of the engine.
Engine oil level should be checked before every use.
1. Always operate or maintain the generator on a flat
surface.
2. Stop engine if running.
3. Let engine sit and cool for several minutes (allow
crankcase pressure to equalize).
4. With a damp rag, clean around the oil fill plug/
dipstick.
5. Remove oil fill plug/dipstick (see Figure 26).
Figure 26 – Oil Fill Plug/Dipstick
6. Check oil level:
When checking the engine oil, remove the oil fill
plug/dipstick and wipe it clean. Thread the oil fill
plug/dipstick all the way back in and then remove
and check the oil level on the oil fill plug/dipstick.
 Acceptable Oil Level – Oil is visible on the cross-
hatches between the H and L lines on the oil fill
plug/dipstick (see Figure 27).
 Low Oil – Oil is below the L line on the oil fill plug/
dipstick.
Figure 27 – Checking Oil Level
SAE 30
Conventional 10W-30
5W-30