
PowerBoss, Inc. Copyright 2011
Commander T Series PB# 4100032
Rev.C 03/12
Page 52
PREVENTATIVE MAINTENANCE
INSTRUCTIONS
ENGINE
Maintenance requirements and service instructions for your
sweeper scrubber engine are outlined in the following parts
of this Maintenance Section:
• Air Intake System
• Electrical System
• Fuel System
• Coolant System
• Lubrication System
All basic maintenance tasks are listed with their
recommended frequencies on the Planned Maintenance
Chart in this manual. Important additional maintenance
requirements and instructions are explained in the engine
manual which comes with your machine.
WARNING
Never attempt to perform any service on the
equipment or components until the engine if
OFF, the parking brake is LOCKED, and the
wheels are CHOCKED.
PREVENTATIVE MAINTENANCE
Air Intake System
Check Air Filter Service Indicator
The air filter service indicator shows when to change the
air filter element. Check the indicator on a daily basis. The
red indicator gradually becomes visible as the air filter
elements load with dirt. It is not necessary to change the air
filter elements until the red indicator reaches the top of the
service indicator and locks into position.
1. Lift engine cover.
2. Inspect air filter service indicator
NOTE: The indicator may return to the not visible
position when the engine is shut off. To
check, reset indicator and turn on the
engine, if it locks in visible position again
clean or change element.