JLG Lull 1044C-54 II Series Service Manual page 270

Boom and Transfer
6-128
WARNING: To avoid personal and/or equipment damage, support the
transfer carriage assembly when lifting and reinstalling it back
on the machine. Make sure that the transfer carriage
assembly is supported until it is completely installed.
b. Install the transfer carriage (Item 5) to rear of the main frame using
the two (2) each transfer rollers (Item 12), roller bushings (Item 11),
spindles (Item 10), thrust washers (Item 9), spacer washers
(Item 8), and spindle nuts (Item 7). Torque spindle nuts to
3466 ft-lbs.
Note: The quantity of spacer washers used with each machine may vary.
c. Secure each spindle nut with two (2) setscrews (Item 6).
d. Install the two (2) slide blocks (Item 4) to the front of the transfer
carriage with four (4) each capscrews, (Item 3) lockwashers
(Item 2), and nuts (Item 1). Torque the nuts to 130 ft-lbs.
e. Install the boom as described elsewhere in this section.
f. Install the rear carriage tilt cylinder (See page 6-26).
g. Install the boom hoist cylinder (See page 6-14).
4. Move transfer carriage backward until the threaded port of transfer
cylinder rod can be inserted in its mounting hole.
5. (Ref. Fig. 6-124) Install transfer cylinder rod nut and washer. Torque
cylinder rod nut to 1641 ft-lbs. Secure rod nut with two (2) setscrews.
6. (Ref. Fig. 6-128) Reconnect hydraulic hoses (Item 1) to the hydraulic
tube elbows. Torque the swivel nuts on the hoses 79–88 ft-lbs.
7. (Ref. Fig. 6-128) Install the hose cover (Item 2) on the transfer carriage
with four (4) each capscrews (Item 4) and lockwashers (Item 3).
Torque the capscrews to 75 in-lbs.
8. (Ref. Fig. 6-125) Install boom elevation proximity switch as follows:
a. Work the wiring harness along the hydraulic tubes on the transfer
carriage.
b. Reconnect connection wire to boom proximity switch and wiring
harness.
c. Secure wiring harness to hydraulic tubes with wire ties.
9. (Ref. Fig. 6-127) For models with a 4-section boom, install the boom
extension proximity switch as follows:
a. If necessary, install the proximity mounting plate (Item 7) with two
(2) each lockwashers (Item 9)
capscrews to 276 in-lbs.
b. Work the wiring harness along the hydraulic tube s on the transfer
carriage and up to the top of the boom.
c. Connect the proximity switch connection wire (Item 6) to the
proximity switch (Item 8) and the wiring harness (Item 5).
a
nd capscrews (Item 10). Torque the
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