Service Repair Manual
Model: M312 EXCAVATOR 6TL
Configuration: M312 Excavator 6TL00410-UP (MACHINE) POWERED BY 3054 Engine
Disassembly and Assembly
M312 and M315 Excavators Power Train Supplement
Media Number -RENR4026-00
Publication Date -01/12/2000
Date Updated -09/10/2001
Travel Motor - Disassemble
SMCS - 4351-015
S/N - 6TL1140-UP
S/N - 7ML1917-UP
Slide Hammer Puller Gp
A. Remove the travel motor. Refer to Disassembly and Assembly, "Travel Motor - Remove" in
Care must be taken to ensure that fluids are contained during
performance of inspection, maintenance, testing, adjusting and repair
of the product. Be prepared to collect the fluid with suitable containers
before opening any compartment or disassembling any component
Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop
Products Guide" for tools and supplies suitable to collect and contain
fluids on Caterpillar products.
Dispose of all fluids according to local regulations and mandates.
Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the
component should be thoroughly cleaned. This will help to prevent dirt from entering the internal
1. Remove two drain plugs (2) from housing (1). Drain the oil from the travel motor into a
suitable container for storage or disposal.
2. Mark brake valve (3) for reassembly purposes. Remove socket head bolts (4), bolts (5),
covers (6) and gaskets (7) .