TM 5-3805-262-20
5-5. RETURN-TO-DIG AND BUCKET HEIGHT SWITCHES MAINTENANCE
This task covers removal, c l e a n i n g , i n s p e c t i o n , t e s t i n g , r e p a i r , a n d i n s t a l l a t i o n of
return-to-dig and bucket height micro switches and associated wiring.
TOOLS: No. 1 Common Organizational Maintenance Tool Kit
Combination box and open end wrench set
Screwdriver
Torque wrench, 1/2 inch drive
E l e c t r i c a l r e p a i r t o o l k i t
Multimeter
Automotive Mechanic’s Tool Kit
Socket wrench set, 1/2 inch drive
MATERIALS/PARTS: Clean cloths (Appendix C, item 1)
Cleaning solvent P-D-680 (Appendix C, item 2)
Detergent (Appendix C, item 3)
Insulation tape (Appendix C, item 5)
Isopropyl alcohol (Appendix C, item 15)
Electrical cleaner (Appendix C, item 19)
Electrical sealer (Appendix C, item 20)
NOTE
PRELIMINARY PROCEDURE: Front access door open.
REMOVAL (SHEET 1 OF 3)
a. At return-to-dig guide rod,
loosen and remove two screws (1) and disconnect
terminals (2) from micro switch (5).
b. Loosen and remove two nuts (3), lock washers (4), micro switch (5), screws
(6), and washers (7).
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