Lull 944E-42 Service Manual - Manual (Page 61)

3.13 Model 644E-42/944E-42 Rev. 6/04
Boom
12. Coat the capscrews (14) with Loctite
®
242 (blue). Use
a socket wrench and long extension to install the four
capscrews (14) (two-upper and two-lower) and four
washers (15) securing the cylinder trunnion
clamps (16) to the intermediate boom. Torque
capscrews (14) to 245 - 274 lb-ft (333 - 372 Nm).
Note: ALWAYS replace elastic locknuts with new elastic
locknuts to help ensure proper fastening.
13. Coat the capscrew (17) with Loctite
®
242 (blue).
Position one end of the extend cylinder rod
trunnion (18) against its mounting boss within the
outer boom. Install capscrew (17), flat washer (19),
shim(s) (20), key plate (21) and elastic locknut (22) to
secure the extend cylinder trunnion clamps to the
intermediate boom. Be sure to assemble the right
and left shim(s) and key plate as noted in
disassembly. Check that the gap (23) between the
shim (20) and the outer boom (24) is within .07"
(1.8 mm) on both sides of the extend cylinder
trunnion. Torque capscrew to 21 - 38 lb-ft
(29 - 52 Nm).
14. After the cylinder is properly inserted within the inner
boom, carefully remove the sling and hoist.
15. Attach suitable overhead lifting device and sling to
the lifting eye (25).
16. Lift attachment tilt cylinder (26) into position and coat
the upper cylinder mount pin (27) and bore hole with
anti-seize compound. Install the upper attachment
pin (27) and secure with retaining ring (28).
MU6060
22
21
19
20
17
15
18
14
16
21
20
24
23 20
23
MU6070
MU1400
25
26
27
28