110 Maintenance Section Engine Air Filter Service Indicator - Inspect/Replace Open the access door on the right side of the machine in order to access the service indicator. i01562193 Engine Air Precleaner - Clean Service the air cleaner when the yellow piston in the service indicator is in the red zone. The service indicator can be checked when the engine is running or stopped. SMCS Code: 1055-070 i01558543 Engine Air Filter Service Indicator - Inspect/Replace SMCS Code: 7452-040; 7452-510 g00811409 Illustration 173 1. Empty the precleaner bowl whenever the dirt reaches the full mark. 2. Loosen the wing nut on the cover and remove the cover. Empty and wash the bowl and the cover. 3.
Install the bowl and the cover. Tighten the wing nut finger tight. Do not use a tool. i01562463 Engine Crankcase Breather - Clean g00809894 Illustration 172 SMCS Code: 1317-070 To check the condition of the service indicator, try resetting the service indicator. This should require less than three pushes of the reset button. The crankcase breather is located on the top of the engine on the right side. Next, check the movement of the yellow piston in the service indicator. Start the engine and accelerate the engine to high idle for a few seconds. After the governor control pedal is released, the yellow piston should remain at the highest position that was achieved during acceleration.
If either of these conditions are not met, replace the service indicator.