TM 5-2420-222-20-2 REVERSE WARNING ALARM This task covers: a. Removal (page 2-682) e. Repair (page 2-685) b. Cleaning (page 2-683) f. Assembly (page 2-685) c. Cleaning (page 2-684) g. Installation (page 2-686) d. Inspection/Replacement (page2-679) h. Adjustment (page 2-686) INITIAL SETUP Tools Materials/Parts - Continued File, thread restoring Rags, wiping (item 21, Appendix C) Handle, ratchet, 3/8-inch drive Solvent, drycleaning (item 28, Appendix C) Screwdriver, flat-tip, 1/4-inch Tags, marking (item 30, Appendix C) Socket, 3/8-inch drive, 1/2-inch Wrench, box, 3/8-inch Personnel Required Wrench, box, 1/2-inch Two Materials/Parts Equipment Condition Cleaning compound, solvent (item 4, Appendix C) Battery ground cable disconnected Lockwasher, mounting screw nut (page 2-696) (four required) Nut, assembled washer, terminal (two required) ACTION LOCATION ITEM REMARKS REMOVAL 1. Terminal (1) Assembled washer a. Using 3/8-inch box wrench, unscrew and terminal (2) nut (3) and take off. b. Get rid of. 2. Terminal (1) Terminal (2) a. Tag (page 2-137). b. Take off. 3. Two plates (4), Four screws (8), a. Have assistant hold alarm. left backhoe nuts (9), lock- b. Using 1/2-inch box wrench, 1/2-inch, control guard (5), washers (10), and 3/8-inch drive socket, and ratchet alarm (6), and washers (11) handle, unscrew and take off. terminal (7) c. Get rid of lockwashers (10). 4. Left backhoe Two plates (4) Take off. control guard (5) 2-682