operators_manual

Table Of Contents
particular axle for lubricant
specifications.
See your dealer for Meritor-
approved lubricant brands.
Refer to the following chart for
lubricant change intervals:
Application Type Of Lubricant Mileage Interval
On Highway Synthetic 240,000 mi. (384,000 km)
Synthetic with Pump and Filter 500,000 mi. (800,000 km)
Mineral Base 120,000 mi. (192,000 km)
City Delivery Synthetic 120,000 mi. (192,000 km)
Synthetic with Pump and Filter 240,000 mi. (384,000 km)
Mineral Base 120,000 mi. (192,000 km)
Off Highway Synthetic 120,000 mi. (192,000 km)
Synthetic with Pump and Filter 120,000 mi. (192,000 km)
Mineral Base 120,000 mi. (192,000 km)
Change the lubricant filter every
120,000 miles (192,000 km). Top
off the lubricant level with a similar
lubricant
Drive Axle - SISU Breather and
Brakes
1. Check the breather for proper
operation.
2. Overhaul the brakes: degrease all
moving parts, check the bushings
and seals for wear.
Drive Axle (SISU) Inspection
1. Check the wheel bearing hubs and
adjust if necessary.
2. Visually inspect for damage or
leaks.
Drive Axle (SISU) Oil Servicing
Change the oil in the differential carrier and
the hubs, and clean the magnetic oil drain
plugs.
Drive Axle - SISU Lube Filter
Clean the suction filter for the optional
pressure lubrication system.
MAINTENANCE - Rear Axle and Suspension
Y53-6126-1A1 (01/21) 287
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