TM 5-5420-234-14&P
4-12. UNIT TROUBLESHOOTING (continued).
10. NO TRANSIT LIGHT DOES NOT OPERATE PROPERLY (MODEL A ONLY)
(continued).
HOOK ARM DOWN PROXIMITY SWITCH TEST
(1) Open hydraulic cabinet cover.
(2) Loosen four screws on main junction box
cover and open cover.
(3) Remove hook arm down proximity switch
connectors from main junction box terminals
10, 11, and 12.
(4) Turn engine switch to ON position.
(5) Turn light control switch to STOP LIGHT
position.
(6) Observe status of NO TRANSIT WHEN LIT
light.
(7) Turn light control switch and engine start
switch to OFF position.
WIRING REMOVED FOR CLARITY
4-183
Change 1
