Lull 6K Service Manual - Manual (Page 290)

Boom and Transfer
6-40 Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K
8. Remove two (2) each nuts (Item 8), lockwashers (Item 7), and
capscrews (Item 4) securing selector valve (Item 5) to the mounting
bracket (Item 6).
9. Take selector valve and mounting hardware to a suitable area for
cleaning and further disassembly.
10. Clean mounting hardware with solvent. Dry with compressed air,
inspect for damage, and replace as necessary.
Installation
Selector Valve (Control
Manifold System)
644B-37 (S/N 101–590, 592–666)
644B-42 (S/N 101–207)
6K-37 (S/N 101–317)
6K-42 (S/N 101–119)
844C-42 (S/N 101–621)
8K-42 (S/N 101–220)
1044C-42 (S/N 101–116)
1044C-54 (S/N 101–154)
10K-42 (S/N 101–106)
10K-54 (S/N 101–103) (Ref. Fig. 6-24) The following steps are required to install the selector
valve in models with a control manifold hydraulic system.
Note: If the mounting bracket was removed, mount it to the valve plate with two
(2) each capscrews (Item 10) and lockwashers (Item 9). Torque the
capscrews to 75 in-lbs.
1. Secured the selector valve (Item 5) to the mounting bracket (Item 6)
with two (2) each capscrews (Item 4), lockwashers (Item 7), and nuts
(Item 8) making sure that the grounding wires are secured to the
bracket with the mounting hardware. Torque the nuts to 50 in-lbs.
Note: If the mounting bracket was removed, mount it to the valve plate with two
(2) each capscrews and lockwashers. Torque the capscrews to 75 in-lbs.
2. Reconnect six (6) hydraulic hoses (Items 1, 2 and 3) to respective
elbows. Torque hydraulic hose swivel nuts to 130–150 in-lbs.
3. Reconnect joystick wiring harness (Item 11) to selector valve.