Lull 944E-42, Service Manual

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9.245 Model 644E-42/944E-42 Rev. 6/04
Electrical System
When Service Brake Valve Mounting Plate Has
Threaded Mounting Hole.
Remove switch dust cover (17). Remove the
stabilizer brake switch (18), by loosening the
locknut (19), and unscrewing the switch from the
service brake valve mounting plate (20).
b. Stabilizer Brake Switch Installation
When Service Brake Valve Mounting Plate Does Not
Have Threaded Mounting Hole.
1. Thread the top locknut (21) onto the shaft of the
switch body (22). Leave enough threads at the
bottom of the shaft for the thickness of the plate and
the second locknut.
2. Insert switch body (22) through the top of the service
brake valve mounting plate (23). There should be
approximately 5 threads on the switch shaft beyond
the mounting plate.
3. Thread the bottom locknut (24) onto the shaft of the
switch body (22) until finger tight against the service
brake valve mounting plate (23).
4. Use a wrench and fully tighten the top locknut (21)
against the service brake valve mounting plate (23).
5. Install the dust cover (25). Thread the bottom lip of
the switch plunger (26) through the hole in the
bottom of the dust cover. Work the top lip (27) of the
dust cover over the bottom flange (28) on the switch
body shaft.
6. Install the cab harness electrical connector to the
stabilizer brake switch (22).
MU6750
9
10
11
12
13
14
15
16
18
17
19
20
MU4580
26
27
28
21
22
23
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25