HYDRAULIC SYSTEM TMS800E SERVICE MANUAL
2-72
Published 01-29-2014, Control # 496-00
4. Inspect the barrel for scoring.
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
NOTE: Lubricate seals and rings with clean hydraulic oil.
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.
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.
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
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
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.
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.
Item Description
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.
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.
Hydrolock Piston Seals
FIGURE 2-50
Reference Only
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