TM 5-5420-234-14&P
4-95. PROXIMITY SWITCH REPLACEMENT/ADJUSTMENT (HOOK ARM UP)
(continued).
(10) Install main frame junction box cover (2) on main frame junction box (3) and tighten four captive screws
(1).
3
2
1
c. Adjustment.
(1) Connect batteries (para TM 9-2320-279-20).
(2) Fully extend hook arm (21) using manual mode only.
(3) Adjust clearance between proximity switch (17) and hook arm (21) to 0.12 in. 0.01 in. (3 mm 0.25
mm). Loosen two screws (13) and thread proximity switch (17) in or out of two nuts (19) and (20) to
adjust clearance.
(4) Tighten two screws (13) and nuts (19) and (20) on proximity switch (17).
21
19
21
20
13
17
d. Follow-on Maintenance:
Return LHS to transit position (Chapter 2).
Remove wheel chocks (TM 9-2320-279-10).
END OF TASK
4-670
