JLG 600SC_660SJC Service Manual - Manual (Page 144)

SECTION 6 - UNDERCARRIAGE
6-40 – JLG Lift – 3120898
8. Install control unit (3) in motor housing (2).
9. Install rotary assembly (1) in motor housing (2).
10. Install the travel motor. Refer to Disassembly and
Assembly, ’’Travel Motor - Install" in this manual.
Installation
1. Make sure that the mating surfaces of the travel
motor and the final drive are thoroughly clean.
2. Replace the O-ring seal that is used between the
travel motor and the final drive with a new O-ring
seal.
3. Install the O-ring seal on the body of the travel
motor. Apply clean hydraulic oil to the O-ring seal.
4. Fasten Tooling (A) and a suitable lifting device to
travel motor (4). Carefully position the travel motor
on Tooling (B). Slide the travel motor into the final
drive.
5. Install one of the three bolts (3) that hold the travel
motor to the final drive. Remove Tooling (B). Install
two remaining bolts (3).
NOTE: Care must be taken to ensure that fluids are con-
tained during performance of inspection, mainte-
nance, testing, adjusting and repair of the product.
Be prepared to collect the fluid with suitable contain-
ers before opening any compartment or disassem-
bling any component containing fluids.
Dispose of all fluids according to local regulations
and mandates.
6. Install new O-ring seals in the ends of hose assem-
blies (1) and (2). Connect hose assemblies (1) and
(2) to the travel motor. Tighten the two hose assem-
blies to a torque of 60 ± 5 ft. lb. (80 ± 7 Nm).
7. Fill the final drive with oil to the correct level. Refer to
Operation and Maintenance Manual for the correct
filling procedure.
8. Install the travel brake valve. Refer to Disassembly
and Assembly, "Travel Brake Valve - Install" in this
manual.
Table 6-17. Travel Motor Required Tools - Installation
Tool Part # Description Qty.
A 138-7574 Link Bracket 1
B 254 mm (10 inch) of
M16x20 Threaded Rod 1