IMPORTANT: After performing all operations listed in
this table, perform all daily, weekly, and monthly
maintenance operations listed in the "Pretrip and
Post-Trip Inspections and Maintenance" chapter of
the Business Class® M2 Plus Driver’s Manual.
M1 Maintenance Operations
Maintenance
Operation No.
Title of Maintenance Operation
25-01 Eaton Fuller Clutch Release Bearing Lubricating
25-03 Clutch Adjusting, Manually Adjusted Clutches
26-03 Transmission Fluid Level Checking
26-05 Allison and Eaton Fuller Transmission Breather Checking
31-02 Fifth Wheel Inspecting
31-03 Fifth Wheel Lubricating
31-04 Trailer Electrical Connector Lubricating
32-01 Suspension Inspecting
33-01 Kingpin Lubricating
*
33-02 Tie Rod End Lubricating
*
33-04 Tie Rod End Inspecting
33-05 Wheel End Inspection and Maintenance, 6,000-Pound and 8,000-
Pound Steer Axles with Oil-Lubricated Hubs
†
33-07 Steer Axle Hub Cap Vent Plug Inspection
35-01 Axle Lubricant Level Checking
35-02 Axle Breather Checking
40-02 Tire Check
41-02 Driveline Inspecting
41-01 Driveline Lubricating
42-01 Air Brake System Valve Inspection
42-02 Bendix Air Dryer Desiccant Replacement (with an oil-coalescing
desiccant cartridge)
‡
42-05 Dana Spicer, Haldex, and Gunite Slack Adjuster Lubrication
42-07 Meritor Slack Adjuster Lubrication
42-10 Brake Inspection
42-11 Hydro-Max
™
Brake System Inspection
42-12 WABCO System Saver Air Dryer Desiccant Cartridge Replacement
‡
42-13 Versajust Slack Adjuster Inspection and Lubrication
§
46-03 Power Steering Gear Lubricating
47-03 LNG Fuel System Inspecting
47-06 CNG High-Pressure Fuel Filter Element
¶
60-02 Aerodynamic Component Inspection
72-01 Door Seals Lubricating
General Information 00
M1 Maintenance Operations: 00–07
Business Class M2 Plus Maintenance Manual, 02/120/2023 00/9
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