M1 Maintenance Interval Operations

Table 1, M1 Maintenance Interval Operations

M1 Maintenance Interval Operations
Number	Title
Lubrication of the Eaton Fuller Clutch Release Bearing	Lubrication of the Eaton Fuller Clutch Release Bearing
Lubrication of the Eaton Fuller Clutch Release Cross-Shaft	Lubrication of the Eaton Fuller Clutch Release Cross-Shaft
Fluid Level Check, Hydraulic Clutch Control	Fluid Level Check, Hydraulic Clutch Control
Clutch Adjustment, Manually Adjusted Clutches	Clutch Adjustment, Manually Adjusted Clutches
Eaton Fuller	Eaton Fuller
Allison and Eaton Fuller Transmission Breather Check	Allison and Eaton Fuller Transmission Breather Check
Holland FWS1	Holland FWS1
General Information	General Information
Trailer Electrical Connector Protection	Trailer Electrical Connector Protection
Front Suspension Check	Front Suspension Check
Freightliner Spring Front Suspension	Freightliner Spring Front Suspension
Detroit™ Axles	Detroit™ Axles1
Tie Rod Inspection	Tie Rod Inspection
Detroit and Meritor Axles	Detroit and Meritor Axles2
General Information	General Information
Axle Lubricant Level Check	Axle Lubricant Level Check
Axle Breather Check	Axle Breather Check
Tire Check	Tire Check
Inspection of the Driveline	Inspection of the Driveline
Lubrication of the Universal Joint	Lubrication of the Universal Joint3
Inspection of the Air Brake System Valve	Inspection of the Air Brake System Valve
AD–9	AD–94
Parking Brake Operational Check	Parking Brake Operational Check
General Information	General Information
Replacement of the WABCO System Saver Air Dryer Desiccant Cartridge	Replacement of the WABCO System Saver Air Dryer Desiccant Cartridge5
Lubrication	Lubrication6
Operating Test	Operating Test7
Inspection of the Power Steering Fluid Level	Inspection of the Power Steering Fluid Level
Lubrication of the Drag Link	Lubrication of the Drag Link
General Information	General Information
Replacement of the CNG High-Pressure Fuel Filter Element	Replacement of the CNG High-Pressure Fuel Filter Element8
Aerodynamic Component Inspection	Aerodynamic Component Inspection
Lubrication of the Door Seals	Lubrication of the Door Seals
Inspection of the Air Conditioner	Inspection of the Air Conditioner
Lubrication of the Hood Rear Support	Lubrication of the Hood Rear Support

1. For Detroit axles, complete this procedure once a year or at the following applicable interval, whichever comes first: every 5000 miles (8000 km) for Schedule I vehicles; every 25,000 miles (40 000 km) for Schedule II vehicles; or every 100,000 miles (161 000 km) for Schedule III vehicles.
2. For Detroit axles, complete this procedure once a year or at the following applicable interval, whichever comes first: every 5000 miles (8000 km) for Schedule I vehicles; every 25,000 miles (40 000 km) for Schedule II vehicles; or every 100,000 miles (161 000 km) for Schedule III vehicles.
3. For driveline lubrication, the M1 maintenance interval is for Dana Spicer drivelines only; for Meritor drivelines see the M2 maintenance interval.
4. If equipped with an oil-coalescing desiccant cartridge, replace the cartridge once a year, regardless of mileage. Otherwise use the M5 maintenance interval.
5. If equipped with an oil-coalescing desiccant cartridge, replace the cartridge once a year, regardless of mileage. Otherwise use the M5 maintenance interval.
6. Complete this procedure every 25,000 miles (40 225 km), 3 months, or 500 operating hours, whichever comes first.
7. The automatic drain valve should be inspected every 6 months or 1500 operating hours, whichever comes first.
8. M1 maintenance interval should be used as a general guideline; the actual frequency of filter element replacement will vary depending on cleanliness of the fuel station system.

Table 1, M1 Maintenance Interval Operations