REV CSection 4 • Repair Procedures June 20074 - 56 GTH-636 • GTH-644 • GTH-842 • GTH-844 • GTH-1048 • GTH-1056 Part No. 97487MANIFOLDS7-9Parking Brake Manifold ComponentsGTH-644, GTH-842 and GTH-844: The parking brake manifold is the outboard of the two similarmanifolds located on the chassis main tube next to the cab, mounted directly to the chassis.GTH-636, GTH-1048 and GTH-1056: The parking brake manifold located inside the cab, just to the left ofthe operator's seat.Index SchematicNo. Description Item Function Torque1 Solenoid valve, 2 position 3 way(644, 842 and 844 models) .............. IA ........... Activates/releases parking brake ................ 20 ft-lbs / 27 NmCoil nut .................................................................................................................................. 40 in-lbs / 4.5 Nm2 Manually-activated valve,2 position 3 way(636, 1048 and 1056 models) .......... IA ........... Activates/releases parking brake ............... 20 ft-lbs / 27 NmI AY671Note: 'alpha' callouts referto corresponding notes onthe hydraulic schematic;alphanumeric callouts referto the electrical schematicGTH-644GTH-842GTH-844I AGTH-636GTH-1048GTH-10562321