Generac Power Systems Magnum MGG100M, Operator'S Manual

Page: 55 / 84

Maintenance
36833 C MGG100M Operating Manual 47
Remove and Inspect Accessory Drive Belts
(replace if necessary)

Inspect tensioner (replace if necessary)

Inspect spark plug wires (replace if necessary)

Inspect heat socks (replace if necessary)

Apply Dielectric Grease to Disconnect Box Con-
nections

Check Electrical Connections

Exhaust/Catalyst Inspection
 **
Clean and Adjust Magnetic Pick Up

Check Engine and Generator Mounts

Inspect Flexible Hoses (replace if necessary)

Lubricate Trailer Leveling Jacks

Check Battery Connections and Disconnect
Switch

Check Manifold/Pipe Hardware Torque (31 ft-
lbs [42 Nm])

Inspect DC stator (replace if necessary)

Remove valve covers and Inspect valvetrain for
excess wear or abnormalities
Check valve lash (adjust if necessary); if
adjusted, replace rocker nuts

Have a GMPASD replace distributor and reset
timing to 18° BTDC

Replace water pump, water pump gaskets,
thermostat, and coolant

Flush coolant system

Cylinder head swap: Replace cylinder head
assemblies, roller lifters, pushrods, rocker
arms, and rocker nuts

Replace head gaskets, intake gaskets, exhaust
manifold gaskets, cylinder head bolts, exhaust
manifold bolts, and any other consumables
during cylinder head swap

NG fuel filters See NG Fuel Filters , below
Replace harmonic balancer and front engine
seal

Replace spark plug wires

Replace automatic belt tensioner

Item Daily
50
Hours
250
Hours
500
Hours
750
Hours
1000
Hours
2000
Hours
8000
Hours