HYDRAULIC SYSTEM
Item
17
Roller
18
Pin
19
Barrel
20
Wear Ring
21
Piston
22
Setscrew
23
Seal
24
O-ring
25
O-ring
26
Adapter
27
Rod
28
O-ring
29
Head
30
Wiper Ring
31
Seal
32
Wear Ring
33
Spacer
4.
Inspect the barrel for scoring.
CAUTION
Before installing new seals and rings, clean all surfaces
and carefully remove burrs and nicks. Parts displaying
excessive wear or damage should be replaced.
5.
Stone out minor blemishes and polish with a fine crocus
cloth.
6.
Clean with solvent and dry with compressed air any
parts that have been stoned and polished.
Assembly
Lower Barrel
CAUTION
When installing new seals and rings, avoid stretching
seals or scratching the grooved or gland surfaces. Make
sure parts are clean before and during assembly. Make
sure seals and rings are installed in the proper order.
Improper installation of seals could cause faulty cylinder
operation.
NOTE:
Lubricate seals and rings with clean hydraulic oil.
2-72
Description
Published 01-29-2014, Control # 496-00
TMS800E SERVICE MANUAL
1.
Install the wiper ring in the spacer.
2.
Install the seal, and wear rings in the inside of the
cylinder head. Make sure the seals are assembled
properly and installed the correct direction.
3.
Install the replacement O-ring and backup ring on the
outside of the head.
4.
Place the spacer and head onto the rod.
Hydrolock Piston Seals
5.
Install the hydrolock seals on the outside of the piston
(see Figure 2-50).
6.
Install the O-rings and seal in the inside of the piston.
7.
Install the piston onto the rod and install the setscrew.
CAUTION
Exercise extreme care when handling the rod. Damage to
the rod surface may cause unnecessary maintenance
and expense. Also, take care to avoid damaging grooved
or gland surfaces or rings or seals during rod insertion.
8.
Clean all oil from the threads of the head spacer. Apply
Loctite 271 to the threads.
9.
Lubricate the piston seals and cylinder head O-ring with
clean hydraulic oil.
10. Lubricate the rod with clean hydraulic oil.
11. Install the rod assembly into the lower cylinder barrel
with a slight twisting motion.
12. Using a chain wrench or spanner wrench, screw the
cylinder head retaining ring securely into the cylinder
barrel.
Upper Barrel
CAUTION
When installing new seals and rings, avoid stretching
seals or scratching the grooved or gland surfaces. Make
sure parts are clean before and during assembly. Make
sure seals and rings are installed in the proper order.
Improper installation of seals could cause faulty cylinder
operation.
FIGURE 2-50
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