TM 5-3805-262-20
5-5. RETURN-TO-DIG AND BUCKET HEIGHT SWITCHES MAlNTENANCE (CONT)
INSTALLATION (SHEET 2 OF 3)
g.
h .
i .
j .
At height control bracket, secure wiring harness (19) to bracket using clamp
(18), capscrew (17),
lock washer (16), and nut (15).
Position micro switch (14) against height control bracket and secure using nut
(10), lock washer (11), and screw (13) at bottom mounting hole. Do not tighten
n u t .
Install nut (10), lock washer (11), washer (12), and screw (13) at top mount-
ing hole. Do not tighten.
Connect multimeter between micro switch (14) COM and NC terminals as shown be-
low. Center the cam surface on switch roller by moving bucket height control.
Push top of micro switch to cam surface until switch clicks and multimeter
i n d i c a t e s n o c o n t i n u i t y ( o p e n c i r c u i t ) .
Tighten two nuts (10) to secure ad-
justment. Then move bucket height control up or down until roller is off cam
surface. Switch should click and multimeter should indicate continuity. If ne-
cessary, loosen two nuts (10) and position micro switch to obtain proper mul-
t i m e t e r i n d i c a t i o n s.
5-74
