Service
Fig. 14. Soak all leather packings in SAE 30W oil for 1 hour minimum prior to assembly. Stack male gland
(219)on piston rod. Alternately stack UHMWPE (208) and leather (218) packings (note orientation) on piston rod. Install female gland (217). Install piston wiper
(216)and backup washer (229) (note orientation) on piston valve (210). The special sealing patch on piston valve threads is good for four repackings. Use Loctiter on piston valve threads after four repackings.
| 219 |
| 217 |
|
|
| |
Not |
|
|
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used on |
|
|
|
248204 |
|
| 216 |
253056 |
|
|
|
255968 |
|
| 229 |
|
|
| 206 |
Fig. 14 | 218 | 208 | 210 |
ti3941a | |||
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|
|
Fig. 10. Install ball (206) in piston rod. If Loctiter is ap- plied to piston valve threads, ensure that none gets on ball. Install piston valve on piston rod.
Torque as follows:
27 +/--3 ft-lb (Model 248204, 253056, 255968, 277069)
55+/--3 ft-lb (Model 248205, 249057, 249059, 277070, 257146)
206
Fig. 16. Grease piston packings.
Fig. 16 | ti7578c |
|
CAUTION
Do not slide piston assembly into top of sleeve as this may damage piston packing.
Fig. 17. Slide piston assembly into bottom of sleeve. Assure V-packing and u-cup are not rolled over or damaged. Mark IV: Install o-ring (231) on sleeve spacer (230). Install sleeve spacer on sleeve.
ti7341a
Mark IV
7577b
Fig. 17
Fig. 18. Grease top inch or two of piston rod that will go through the cylinder throat packings.
Fig. 15
12 310643
7575A
Fig. 18 | 7579A |
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