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MLRS ATTACHMENT CYLINDER REPAIR
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TM-10-3930-660-24-2 Truck Forklift; 6 000 lb. Variable Reach Rough Terrain Manual
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DISASSEMBLY - CONTINUED -832450639
TM 10-3930-660-24-2
MLRS ATTACHMENT CYLINDER REPAIR - CONTINUED
0308 00
DISASSEMBLY
WARNING
Hydraulic oil, under pressure, can remain within cylinder after disconnecting hydraulic hoses. To avoid
severe personal injury, slowly loosen counterbalance valve and allow pressure to escape before removing
valve entirely.
NOTE
Use a vise with soft jaws to secure cylinder in a horizontal position for disassembly.
1.
Relieve pressure in cylinder by slowly removing counterbalance valve (1). Drain residual oil through valve holes into a
suitable container.
2.
Remove back-up rings (2 and 3), two back-up rings
1
(4) and three O-rings (5 thru 7) from each counterbal-
5
2
ance valve (1). Discard back-up rings and O-rings.
6
3
CAUTION
7
4
10
Do not scratch or damage the wear surface
of rod, piston or gland. Follow this precau-
tion to prevent failure of the cylinder.
3.
Pull rod (8) out approximately 5 in. (12.7 cm) for
15 14
removal of gland (9).
12
4.
Place a container under gland (9) to catch oil con-
16
17
tained in cylinder.
13
12
5.
Use spanner wrench to unscrew gland (9) from cylin-
der tube (10). Pull gland (9) out of cylinder far enough
to unseat O-ring (11). Allow oil to drain into container.
CAUTION
Use care when removing rod and piston
assembly to prevent wear ring damage.
Keep rod in line with cylinder tube to pre-
8
vent binding.
11
9
409-1470
6.
Remove rod (8) and piston assembly from cylinder
tube (10).
7.
Place rod (8) and piston assembly on supports to prevent damage.
8.
Remove two wear rings (12).
0308 00-2

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