Freightliner Business Class M2. Manual — part 3
![](/vehicles/itar/lers/peyo/kazkaris.png)
NOTE: The IM Operations include the maintenance
operations in
and all of the maintenance op-
erations in
, M1 Maintenance Operations.
Initial Maintenance (IM) Operations
Maintenance
Operation No.
Title of Maintenance Operation
Perform All M1 Operations
Frame Fastener Torque Checking
Suspension U-Bolt Torque Checking
Draw Key Nut Torque Checking
All-Axle Alignment Check
Fuel Tank Band Nut Tightening
Table 5, Initial Maintenance (IM) Operations
General Information
00
Initial Maintenance (IM) Operations: 00–06
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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 Driver’s Manual.
M1 Maintenance Operations
Maintenance
Operation No.
Title of Maintenance Operation
Lubrication and Fluid Level Check
• Eaton Fuller Clutch Release Bearing Lubricating
• Eaton Fuller Clutch Release Cross-Shaft Lubricating
• Clutch Hydraulic Fluid Level Checking
• Transmission Fluid Level Checking
• Fifth Wheel Lubricating
• Trailer Electrical Connector Lubricating
• Suspension Lubricating
• Kingpin Lubricating
• Tie Rod End Lubricating
• Axle Lubricant Level Checking
• Driveline Lubricating
• Haldex and Gunite Slack Adjuster Lubricating
• Meritor Slack Adjuster Lubricating
• Power Steering Fluid Level Inspecting
• Power Steering Gear Lubricating
• Drag Link Lubricating
• Door Seals Lubricating
• Hood Rear Support Lubrication
Clutch Adjusting, Manually Adjusted Clutches
Allison and Eaton Fuller Transmission Breather Checking
Fifth Wheel Inspecting
Suspension Inspecting
Tie Rod End Inspecting
Wheel End Inspection and Maintenance, 6,000-Pound and 8,000-
Pound Steer Axles with Oil-Lubricated Hubs
*
Axle Breather Checking
Tire Check
Driveline Inspecting
Air Brake System Valve Inspection
Bendix Air Dryer Desiccant Replacement (with an oil-coalescing des-
iccant cartridge)
†
Bosch Hydraulic Brake System Inspection
General Information
00
M1 Maintenance Operations: 00–07
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M1 Maintenance Operations
Maintenance
Operation No.
Title of Maintenance Operation
Brake Lines and Fittings Inspection, Hydraulic Brakes
Brake Inspection
Hydro-Max
™
Brake System Inspection
WABCO System Saver Air Dryer Desiccant Cartridge Replacement
†
Versajust Slack Adjuster Inspection and Lubrication
‡
LNG Fuel System Inspecting
CNG High-Pressure Fuel Filter Element
§
CAT CGI Bellows and Piping Inspection
Aerodynamic Component Inspection
Air Conditioner Inspecting
*
Schedule III vehicles only.
†
If equipped with an oil-coalescing desiccant cartridge, replace the cartridge once a year, regardless of mileage.
Otherwise use the M5 maintenance interval.
‡
Complete this procedure every 25,000 miles (40 225 km), 3 months, or 500 operating hours, whichever comes
first.
§
M1 maintenance interval should be used as a general guideline; the actual frequency of filter element replace-
ment will vary depending on cleanliness of the fuel station system.
Table 6, M1 Maintenance Operations
General Information
00
M1 Maintenance Operations: 00–07
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![](/vehicles/itar/lers/peyo/hriler.png)
NOTE: The M2 Maintenance Operations include the
maintenance operations in
and all of the
maintenance operations in
, M1 Maintenance
Operations.
M2 Maintenance Operations
Maintenance
Operation No.
Title of Maintenance Operation
Perform All M1 Maintenance Operations
Lubrication and Fluid Level Check
• Eaton Fuller Transmission Fluid Changing and Magnetic Plug
Cleaning
*
• Meritor Camshaft Bracket Lubricating
Air Compressor Inspection
Radiator Cap Inspecting
Fan Drive Inspecting (Noise Emission Control)
Eaton Fuller Transmission Air Filter/Regulator Element Cleaning
Wheel End Inspection and Maintenance, 6,000-Pound and 8,000-
Pound Steer Axles with Oil-Lubricated Hubs
†
Air Dryer AD–9, AD–IP, and AD–IS/DRM Check
Brake Pedal Linkage and Mounting Plate Inspection
CNG Fuel System Inspecting
CNG Fuel Cylinder Inspecting
‡
Exhaust System Inspecting (Noise Emission Control)
*
Petroleum-based lubricants only.
†
Schedule II vehicles only.
‡
The fuel cylinder should be inspected every year or 100,000 miles (160 900 km), whichever comes first.
Table 7, M2 Maintenance Operations
General Information
00
M2 Maintenance Operations: 00–08
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