Lull 6K Service Manual - Manual (Page 467)

Boom and Transfer
Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K 6-217
1. Loosen, but do not remove the two (2) jam nuts on the proximity switch
body.
2. Check gap between switch and boom. Gap must be within the range
specified in Fig. 6-230.
3. If boom extension proximity light does not illuminate when boom is
extended to specified distance (approximately 21 feet with tilting tower
or 25 feet with standard carriage), adjust proximity switch to slightly
reduce the gap. Do not exceed gap tolerances specified in Fig. 6-230.
Snug jam nuts to hold switch in position.
4. Extend boom and check operation of boom extension proximity light.
The light must come on when boom is extended to specified distance
(approximately 21 feet with tilting tower or 25 feet with standard
carriage). If light does not illuminate, stop and retract boom. Repeat
Step 3.
5. Tighten jam nuts.
Transfer Carriage
Description
Fig. 6-231: Transfer Carriage
(Models 644B, 844C and 104
Only)
0
80
60
40 20
-20
J
1141