Table 5 lists all maintenance operations that are to
be performed at the M3 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 (Table 3) and M2 (Table 4)
maintenance interval operations at the M3 mainte-
nance interval.
M3 Maintenance Interval Operations
Number Title
00-03 Perform All M1 Maintenance Interval Operations
00-04 Perform All M2 Maintenance Interval Operations
01-01 Engine Drive Belt Inspection
26-04 Allison Transmission Fluid and Filter Change
32-03 Suspension U-Bolt Torque Check
40-01 Wheel Nut Check
42-09 Air Brake Inspection and Leak Test
46-01 Drag Link Inspection
47-05 LNG Vacuum Integrity Test
83-02 HVAC Air Filter Replacement
*
*
Replace the HVAC air filter at the recommended interval or every six months.
Table 5, M3 Maintenance Interval Operations
General Information 00
00–05 M3 Maintenance Interval Operations
108SD and 114SD Maintenance Manual, April 2021 00/7
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