MBW GPR135 - Manual (Page 23)

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Parts Replacement Cycles and Tolerances
Bearings
Replace anytime a bearing is rough, binding, discolored or removed from housing or
shaft.
Clutch Replace clutch if it does not disengage below 1800 rpm.
Engine Components Refer to your engine manufacturer’s Owner’s Manual.
Hardware
Replace any worn or damaged hardware as needed. Replacement hardware should
be grade 5 and zinc plated unless otherwise specified.
Safety Decals Replace if they become damaged or illegible.
Seals & Gaskets Replace if a leak is detected and at every overhaul or tear down.
V-Belts Replace if cracked, torn, or stretched to the point the belt won’t tension properly.
Exciter Oil Replace once every season or every 250 hours.