FOOT BRAKE CONTROL VALVE REPLACEMENT

DOUBLE CHECK VALVE AND PRESSURE PROTECTION VALVE REPLACEMENT

FOOT BRAKE CONTROL VALVE REPLACEMENT - cont

TM-5-3810-306-20 Container Crane 40-Ton Rough Terrain Model RTB75CC Manual
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TM 5-3810-306-20 FOOT BRAKE CONTROL VALVE REPLACEMENT TOOLS: General mechanic’s tool kit: automotive (5180-00-177-7033) SUPPLIES: Lockwashers (Item 15, Appendix C) (3 Required) Loctite #545 (Item 13, Appendix C) EQUIPMENT CONDITIONS: Wheels are chocked. Air system is purged. (Refer to page 11-2.) Disconnect ground cable at shunt. (Refer to page 8-109.) Cab front panel removed. (Refer to page 15-10.) Cab bottom panel removed. (Refer to page 15-11.) REMOVAL: 1. REMOVE STOP LIGHT SWITCH (4). a. Tag electrical wires (2) to stop light switch (4). b. Remove nuts (3) and wires. c. Remove stop light switch (4) and fitting (5). Retain fittings for installation. 2. REMOVE LOW PRESSURE INDICATOR SWITCHES (6). a. Tag electrical wires (7) to low pressure indicator switches. b. Remove switches (6) and fittings (8). Retain fittings for installation. 3. REMOVE PLUG (9). 4. REMOVE FOOT BRAKE CONTROL VALVE (1). a. Tag and disconnect four air lines from foot brake control valve (1). Plug air lines. Remove fittings from valve. Retain fittings for installation. b. Remove three capscrews (10) and lockwashers (11) securing control valve to cab floor. Remove valve. Discard lockwashers (11). 11-25

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