The M2 Maintenance Interval Operations tables list
all maintenance operations that are to be performed
at the M2 maintenance interval. Maintenance opera-
tion numbers are reference numbers used to help

you find detailed instructions in this manual on the
maintenance operations to be performed. Perform all
M1 maintenance interval operations at the M2 main-
tenance interval.

Maintenance

Operation Number

M2 Maintenance Interval Operations for Service Schedules I, II, and III

Check

00–06

Perform All M1 Operations

01–01

Engine Support Fasteners Check (noise emission control)

01–02

Engine Drive Belt Inspection

15–01

Alternator, Battery, and Starter Check

20–01

Pressure Relief Cap Check

25–02

Clutch Release Cross-Shaft Lubrication

25–03

Sleeve Assembly Bronze Bushing Lubrication

25–04

Meritor Clutch Release Bearing Lubrication

26–02

Transmission Fluid Level Inspection

26–03

Manual Transmission Air Filter/Regulator Check, Cleaning, or Replacement

32–01

Suspension Inspection

32–03

Suspension U-Bolt Torque Check

33–01

Knuckle Pin Lubrication, Meritor Axles

33–02

Tie Rod Inspection

33–03

Tie Rod Lubrication, Meritor Axles

33–07

Basic Inspection, Meritor Unitized Wheel Ends

33–08

End-Play Check, Meritor Unitized Wheel Ends

33–09

Kingpin Lubrication, Detroit

™

Axles

33–10

Tie Rod Lubrication, Detroit

™

Axles

35–02

Axle Breather and Axle Lubricant Level Inspection

40–01

Wheel Nut Check

42–01

Air Brake System Valve Inspection

42–03

Air Dryer Inspection

42–04

Alcohol Evaporator Cleaning and Inspection

42–08

Meritor Slack Adjuster Lubrication

46–01

Drag Link Inspection

46–03

Power Steering Fluid Level Inspection

46–04

Power Steering Gear Lubrication

46–05

Drag Link Lubrication

46–06

Rack and Pinion Steering Gear Inspection

47–01

Fuel Filter Replacement

47–02

Fuel Separator Sight Bowl Cleaning and Element Replacement

60–01

Mirror Folding Check

General Information

M2 Maintenance Interval Operations: 00–07

00/12

Maintenance

Operation Number

M2 Maintenance Interval Operations for Service Schedules I, II, and III

Check

83–01

Air Conditioner Inspection

83–02

Air Filter Replacement

†

For Schedule II vehicles with Detroit axles, complete this procedure once a year or every 25,000 miles (40 000 km), whichever comes first.

†

Replace the HVAC filters every 6 months regardless of mileage.

Table 12, M2 Maintenance Interval Operations for Service Schedules I, II, and III

Maintenance

Operation Number

M2 Maintenance Interval Operations for Service Schedule IV

Check

00–04

Lubrication and Fluid Level Check (includes the following)

• Clutch Release Cross-Shaft Lubrication
• Sleeve Assembly Bronze Bushing Lubrication
• Transmission Fluid Level Inspection
• Knuckle Pin Lubrication, Meritor Axles
• Tie Rod Lubrication, Meritor Axles
• Kingpin Lubrication, Detroit

™

Axles

• Tie Rod Lubrication, Detroit

™

Axles

• Axle Breather and Axle Lubricant Level Inspection
• Driveline Lubrication
• Power Steering Fluid Level Inspection
• Power Steering Gear Lubrication
• Drag Link Lubrication

00–06

Perform All M1 Operations

01–01

Engine Support Fasteners Check (noise emission control)

01–02

Engine Drive Belt Inspection

15–01

Alternator, Battery, and Starter Check

20–01

Pressure Relief Cap Check

26–03

Manual Transmission Air Filter/Regulator Check, Cleaning, or Replacement