Lull 6K Service Manual - Manual (Page 586)

Brakes
9-12 Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K
4. Discard rubber boot (Item 8), O-ring (Item 10), and seal (Item 11).
5. Clean remaining parts with solvent and dry with compressed air.
Inspect all parts for damage and replace, if necessary.
Note: The spool (Item 15) and valve body (Item 18) cannot be purchased
separately. If these parts are damaged, it will be necessary to replace the
entire valve assembly (Items 7–20).
Reassembly
Brake Valve – Models with
Control Manifold
Hydraulics
6K-37 (S/N 101–317)
6K-42 (S/N 101–119)
8K-42 (S/N 101–220)
10K-42 (S/N 101–106)
10K-54 (S/N 101–103)
644B-37 (S/N 101–590, 592–666)
644B-42 (S/N 101–207)
844C-42 (S/N 101–521)
1044C-42 (S/N 101–116)
1044C-54 (S/N 101–154) The following reassembly procedure refers to Fig. 9-7.
1. Install port adapter (Item 20) and O-ring (Item 19) on brake valve body
(Item 18). Lubricate O-ring before installing it.
2. Obtain a seal kit which includes a rubber boot (Item 8), O-ring
(Item 10), and seal (Item 11). Lubricate O-ring and seal before
installing them.
3. Install remaining valve assembly parts (Items 8–17) on valve body
(Item 18) with flange head capscrew (Item 7) in order shown in
Fig. 9-7.