North Star M157594I - Manual (Page 45)

Maintenance & Repair
45
Recharge and
maintain battery Inspect, recharge, and maintain battery according to your battery
manufacturer's instructions.
Do not store with battery charger always connected. Batteries that are over-
charged can boil themselves dry and produce excessive amounts of
hydrogen, an explosive gas.
Perform engine
maintenance Perform engine maintenance as specified in the engine owner's manual.
Engine maintenance items include:
1. Changing oil and oil filter
2. Air filter check/replacement
3. Spark plug cleaning and replacement
4. Fuel filter check/replacement
5. Inspecting and cleaning muffler (and spark arrestor if equipped)
Change pump oil Change the pump oil after the first 40 hours of use, and then after every 3
months or 500 hours of use after that.
1. Open oil drain valve on pump.
2. Drain pump oil into suitable container and dispose of responsibly.
3. Close oil drain valve.
4. Make sure unit is sitting level. Fill pump with 18 oz. of SAE30 non-
detergent oil or Cat Pump Oil Item #22158 to middle of sight glass (or at
the indicator line on the dip stick if equipped).
5. Replace oil fill cap.
Figure 16
Oil fill cap
Oil drain valve
Sight glass