Lull 6K Service Manual - Manual (Page 262)

Boom and Transfer
6-12 Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K
Removal
Boom Hoist Cylinder
Fig. 6-8: Boom Hoist Cylinder Installation
(Ref. Fig. 6-8) The following steps are required to remove boom hoist
cylinders.
1. Follow preparation procedures as outlined in Section 3 of this manual.
2. Lower the boom to the ground, apply the park brake, retract the
cylinder, and stop the engine.
3. Loosen and remove hydraulic hoses (Item 1) from fittings on hoist
cylinder (Item 2). Bleed any remaining oil into a suitable container. Cap
fittings and hoses.
4. Loosen and remove capscrew (Item 6) and lockwasher (Item 7) from
rod end lock pin (Item 5).
0
80
60
40 20
-20
# Description
1 Hydraulic Hose
2 Hoist Cylinder
3 Outer Boom
4 Pivot Pin - Rod End
5 Lock Pin
6 Hex Capscrew
# Description
7 Lockwasher
8 Transfer Carriage/Boom Cradle
9 Lock Pin
10 Pivot Pin - Base End
11 Lockwasher
12 Hex Capscrew
J
112
2
1 2
1 2
4
7
5
6
8
3
10
9
11
12
RE
V
. 001