lists all maintenance operations that are to
be performed at the M2 maintenance interval. Main-
tenance operation numbers are reference numbers
used to help you find detailed instructions in this
manual on the maintenance operations to be per-
formed. Perform all M1 maintenance interval opera-
tions (see
) at the M2 maintenance interval.
M2 Maintenance Interval Operations
Number
Title
Perform All M1 Maintenance Interval Operations
Air Compressor Inspection
Radiator Cap Inspection
Fan Drive Check (Noise Emission Control)
Eaton Fuller Transmission Fluid Change, and Magnetic Plug Cleaning
Driveline Lubrication
*
Governor Check
Air Dryer Check
Meritor Camshaft Bracket Lubrication
Power Steering Gear Lubrication
Fuel/Water Separator Element Check and Replacement
Fuel Filter Replacement
CNG Fuel System Inspection
CNG Fuel Cylinder Inspection
†
Exhaust System Inspection (Noise Emission Control)
*
For driveline lubrication, the M2 maintenance interval is for Meritor drivelines only; for Dana Spicer drivelines
see the M1 maintenance interval.
†
The fuel cylinder should be inspected every year or 100,000 miles (160 900 km), whichever comes first.
Table 4, M2 Maintenance Interval Operations
General Information
00
00–04 M2 Maintenance Interval Operations
108SD and 114SD Maintenance Manual, April 2021
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