Graco A Series Repair Manual page 12

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
Not
used on
248204
253056
255968
218
Fig. 14
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)
Fig. 15
12 310643
Service
217
216
229
206
210
208
ti3941a
206
7575A
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.
7577b
Fig. 17
Fig. 18. Grease top inch or two of piston rod that will
go through the cylinder throat packings.
Fig. 18
ti7341a
Mark IV
7579A