13308-798
Service
Fig. 13. 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 backup washer
(216) and u-cup (209) (note orientation) on piston
valve (210). The special sealing patch on piston valve
threads is good for four repackings. Use Loctite on
piston valve threads after four repackings.
7749B
Fig. 13
209
218
216
208
219
210
217
Used on
240–291
240–800
&
240–917
Fig. 32. Install ball (206) in piston rod. If Loctite is ap-
plied to piston valve threads, ensure that none gets on
ball. Install piston valve on piston rod.
Torque as follows:
32 "3 ft-lb (for model 239–923)
40 "3 ft-lb (for model 240–291 & 240–800)
50 "5 ft-lb (for model 240–217)
Fig. 14
206
7575A
Fig. 15. Grease piston packings and sleeve top edge.
Fig. 15
7578A
Fig. 16. Carefully slide piston assembly into top of
sleeve. Assure u-cup is not rolled over or damaged.
Fig. 16
7577A
Fig. 17. Grease top inch or two of piston rod that will
go through the cylinder throat packings.
7579A
Fig. 17
To Next Page
Loading...
