PH4000Ri/E Owner’s Manual
31
7.2.
Maintenance Schedule
Item
Maintenance
Procedure
Regular Service period (1). Perform at every indicated month or operating
hour interval, whichever occurs first.
Each Use 1st Month or 4
to 6 Hours
Every 3 Months
or 50 Hours
Every 6 Months
or 100 Hours
1x per Year or
300 Hours
Engine Oil
Check
O
Change
O
O
Air cleaner
Check
O
Clean
O (2)
Spark Plug
Clean / Adjust
O
Spark Arrester Clean
O
Fuel Filter
Check
O
Replace
O (2)
Valve
clearance
Check / Adjust
O (3)
Fuel tank &
strainer
Clean
O (2)
Fuel line
Check
Every 2-years (Replace as necessary) (3)
Battery
Clean / Charge
Charge monthly during long term storage.
Check terminals for corrosion monthly, clean as needed.
Expected battery life is 2 years, but can be affected by operating environment.
Expected battery life is 2 years, but can be affected by operating environment.
Notes:
(1) Log hours of operation to determine proper maintenance.
(2) Service more frequently when used in dusty areas.
(3) These items should be serviced by an authorized dealer unless the owner has the proper tools and is
mechanically proficient. See the Service Manual.
Service Period for Oil Changes
Normal Operating Temperature
Normal –100 hr
77°F (25°C)
95 hr
86°F (30°C)
85 hr
95°F (35°C)
70 hr
104°F (40°C)
