JLG 600SC_660SJC Service Manual - Manual (Page 139)

SECTION 6 - UNDERCARRIAGE
3120898 – JLG Lift – 6-35
3. Remove O-ring seal (3) from travel brake valve (2).
Remove brake valve (4) from the travel brake valve.
4. Remove valve (5) from travel brake valve (2).
Remove two check valves (6) from the travel brake
valve. Remove brake valve (7) from the travel brake
valve. Remove two relief valve (8) from the travel
brake valve.
6.10 TRAVEL BRAKE VALVE
Assembly
1. Thoroughly clean all of the parts of the travel brake
valve prior to assembly.
NOTE: Make sure that all parts are marked during the disas-
sembly of the travel brake valve. Make sure that the
marks are used during the assembly of the travel
brake valve. Do not mix the parts.
2. Install two relief valve (8) in travel brake valve (2).
Tighten two relief valves (8) to a torque of 110 ± 9
ft.lb. (150 ± 12 Nm).
3. Install brake valve (7) in travel brake valve (2).
Tighten brake valve (7) to a torque of 175 ± 15 ft.lb.
(240 ± 20 Nm).
4. Install two check valves (6) in travel brake valves (2).
Tighten two check valves (6) to a torque of 110 ± 9
lb ft (150 ± 12 Nm).