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Page Title:
Section II. MAST AND LIFT CYLINDER |
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 TM 10-3930-611-35
1.
Screw (7 reqd)
33.
Screw (ref item #25)
2.
Washer, lock (12 reqd)
34.
Nut, lock (ref item #26)
3.
Cover, switch assy case
35.
Screw
4.
Screw (2 reqd)
36.
Washer, lock (ref item #2)
5.
Washer, lock (ref item #2)
37.
Bracket, switch mtg (ref item #29)
6.
Bracket, mounting
38.
Screw (ref item #27)
7.
Screw
39.
Washer, lock (ref item #8)
8.
Washer, lock (7 reqd)
40.
Switch (ref item #32)
9.
Clamp
41.
Screw, adjusting
10.
Gear, pinion
42.
Screw, set (4 reqd)
11.
Screw (6 reqd)
43.
Stop, shaft rotation
12.
Screw (ref item #1)
44.
Screw (2 reqd)
13.
Washer, lock (ref item #2)
45.
Washer, lock (2 reqd)
14.
Bracket
46.
Washer, flat (2 reqd)
15.
Nut, hex (2 reqd)
47.
Cam, switch actuating
16.
Nut, hex (ref item #15)
48.
Screw (ref item #44)
17.
Washer, flat
49.
Washer, lock
18.
Potentiometer
50.
Washer, flat (ref item #46)
19.
Screw (2 reqd)
51.
Cam, switch actuating
20.
Washer, lock (ref item #8)
52.
Screw, set (ref item #42)
21.
Strip, terminal
53.
Gear sector
22.
Screw (ref item #1)
54.
Screw, set (ref item #42)
23.
Washer, lock (ref item #2)
55.
Collar
24.
Bracket
56.
Key woodruff (2 reqd)
25.
Screw (2 reqd)
57.
Shaft
26.
Nut, lock (2 reqd)
58.
Case, switch assy
27.
Screw (2 reqd)
59.
Bushing (2 reqd)
28.
Washer, lock (ref item #2)
60.
Bushing (ref item #59)
29.
Bracket, switch mtg
61.
Screw, set (3 reqd)
30.
Screw (ref item #27)
62.
Hub.
31.
Washer, lock (ref item #8)
63.
Screw, adjusting
32.
Switch (2 reqd)
Figure 3-7. Accelerator switch, disassembly and reassembly.
passing through holes in the frame or over rough edges. If
Twist the bare wire together and solder the connections. Cover
inspection reveals a cut or broken wire, and the break in the
the repaired break with electrical tape and friction tape. Do not
wire is exposed, the wire must be repaired (para d below). If
leave any bare wires exposed. If a terminal lug breaks off a
the wire is in the wiring harness or in an inaccessible area,
wire, replace it with an exact duplicate.
e.
Replacement. Replace a wire by disconnecting it
replace the wire (para e below).
c.
Testing.
Test the wire for continuity by
from the component or components to which it is attached and
disconnecting one end from the component to which it is
remove the wire. Install a new wire and connect it to the
attached, as this will make an open circuit. Touch the test
component. If a broken wire is part of a harness, disconnect
probes of a multimeter to each end of the wire. If the meter
the wire at each end and tape the loose ends with electrical
shows no indication, the wire is defective and should be
tape. Install a new wire and attach it to the outside of the wiring
repaired or replaced (para d or e below).
harness.
d.
Repair. Shave the insulation on the wires to
expose one-half inch of bare wire at both ends of the break.
Section II. MAST AND LIFT CYLINDER
3-8. General
This section is to provide information useful in the repair and maintenance of the mast and lift cylinder of the forklift truck.
3-9. Lift Cylinder
a.
Removal.
(1) Remove the lift chain, forks, lifting carriage, and load backrest (TM 10-3930-611-12).
(2) Refer to figure 3-9 and remove the lift cylinder.
b.
c.
Cleaning, Inspection and Repair.
(1) Clean all parts with dry cleaning solvent (Federal Specification P-D-680) and dry thoroughly.
(2) Inspect first stage filter screen for clogging. Inspect piston rods for spots of base metal showing through, and for
pitting. Inspect wiper and o-rings for deterioration. Inspect wear rings (phenolic) for portions broken off or out. Check clearances of
wear rings and
3-9
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