Lull 6K Service Manual - Manual (Page 443)

Boom and Transfer
Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K 6-193
e. Install grease fitting (Item 6) and grease fitting cover (Item 5) on
chain roller pin. Tighten the grease fitting 2–3 turns past finger
tight.
14. Lift and slide middle (rear) boom section into outer boom section.
Release strap securing extension cylinder to outer boom section and
install cylinder end through orifice of middle (rear) section.
15. Apply EP lithium based grease to the inside bottom surfaces of middle
(rear) boom section (slide pad slide areas).
16. Place middle (forward) boom section on work stands upside down.
Fig. 6-207: Chain Roller Assemblies - Middle (Forward) Boom Section
17. (Ref. Fig. 6-207) Install chain roller assemblies on middle (forward)
boom section as follows:
a. Install chain roller bushing (Item 10) in chain roller (Item 9).
b. Install chain roller in bushing (Item 8).
c. Install chain roller and two (2) chain guide washers (Item 7) on
front of boom section with chain roller pin (Item 3).
d. Secure the chain roller pin to the boom section with lock pin
(Item 4), lockwasher (Item 5), and capscrew (Item 6). For models
1044C-54 (S/N 101–192) and 10K-54 (S/N 101–109), torque the
capscrew to 55 ft-lbs. For models 1044C-54 (S/N 193–) and 10K-
54 (S/N 110–), torque the capscrew to 110 ft-lbs.
e. Install grease fitting (Item 2) and grease fitting cover (Item 1) on
chain roller pin. Tighten grease fitting 2–3 turns past finger tight.
J1
2
4
3
# Description
1 Grease Fitting Cover
2 Grease Fitting
3 Chain Roller Pin
4 Lock Pin
5 Lockwasher
# Description
6 Capscrew
7 Chain Guide Washer
8 Bushing
9 Chain Roller
10 Chain Roller Bushing
1 2
3
4
5
6
7
8
9
10
7
7
7
8
9
10
6
5
4
3
2
1