Semi-Fluid Lubricant (Trailer Hubs Only) - Meritor PreSet Maintenance Manual

2 Maintenance
Oil Contamination
Allow any air in the oil to escape prior to inspection. Visually inspect
the lubricant for discoloration. Under normal conditions, the oil will
darken slightly. A white or milky appearance indicates water
contamination. If the inspection indicates contamination, service the
wheel hub. Do not mix oil types. If you need to add oil, you must use
the same type of oil as supplied or used by the original equipment
manufacturer.

Semi-Fluid Lubricant (Trailer Hubs Only)

Action
Inspect the hub assembly for leakage and contaminated lubricant.
Service wheel hubs.
Perform preventive maintenance procedures.
Perform a pre-trip inspection.
Do not mix different types of grease. Only use lubricants approved
by the original equipment manufacturer (OEM).
Table A: TP and TN Series Trailer Axles Equipped with Conventional Hub Assemblies or PreSet
Trailer Axle Series, Hub Assembly Type,
1
and Hub Part Number
TP Series

PreSet hub assembly
Hub part number 16040
TP Series
Conventional hub assembly
Hub part number 15968
TN Series

PreSet hub assembly
Hub part number 16048
TN Series
Conventional hub assembly
Hub part number 15984
1
The hub part number is cast into the inboard side of the wheel mounting flange.
2
Volume includes the lubricant volume of the bearing cones. PreSet
4 Meritor Maintenance Manual MM-0637 (Revised 07-12)
Interval
Every 12 months or 100,000 miles (160 000 km), whichever comes
first.
Every 5 years or 500,000 miles (800 000 km), whichever comes
first.
Regularly-scheduled intervals.
Each time prior to operating the vehicle on the road.
Lubricant Volume per Wheel End
API-GL5 Oil
Hubcap Fill Line
Approx. 24.55 fl. oz.
(44.31 cu. in.)
Hubcap Fill Line
Approx. 24.55 fl. oz.
(44.31 cu. in.)
Hubcap Fill Line
Approx. 15.17 fl. oz.
(27.37 cu. in.)
Hubcap Fill Line
Approx. 15.17 fl. oz.
(27.37 cu. in.)

bearings are not greased prior to installation.

by Meritor Hub Assemblies
NLGI 00 Semi-Fluid
2
Grease
35.00 fl. oz. (63.16 cu. in.)
33.47 fl. oz. (60.41 cu. in.)
31.00 fl. oz. (55.95 cu. in.)
25.57 fl. oz. (46.15 cu. in.)
2
NLGI 1 or 2 Grease
NOT RECOMMENDED
23.37 fl. oz. (42.17 cu. in.)
NOT RECOMMENDED
21.22 fl. oz. (38.29 cu. in.)