Displacement Pump - Graco LineLazer GM 5000 Instructions-Parts List Manual

WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 7.
Removing the Pump
1. Flush the pump. Relieve pressure.
2. Hold the intake valve (223) with a wrench and un-
screw the suction tube swivel union (53). Unscrew
the hose (133).
3. Push the retaining spring (75) up. Push the pin (71)
out the rear.
4. Loosen the locknut (137). Unscrew the pump.
76
133
71
Fig. 23
Disassembling the Pump
1. Unscrew the intake valve (223) and remove all parts.
See Fig. 23.
2. Remove the plug (205). Unscrew the packing nut
(216). See Fig. 24.
205
216
*209
*213
*208
Fig. 24

Displacement Pump

See Fig. 23.
219
220
75 221*
204*
137
202*
223
53
219
224
207* 211
222
3. Tap the piston rod (224) down and then pull it out the
bottom of the cylinder (219). See Fig. 24.
4. Remove the glands (209*, 208*) and v–packings
(207*, 213*) from the throat. See Fig. 24.
5. Clamp the flats of the piston rod (224) in a vise. Loos-
en the piston (222). Unscrew the nut (211) from the
piston. Remove the glands (210*, 214*) and pack-
ings (212*, 206*, 203*) from the piston. See Fig. 24.
Leather
Poly
Lips must face down
Lips must face up
Torque to
67 ft–lb (91 N.m)
*209
137
*207
*208
*202
*210
*206
*215
*214
*202
Fig. 25
0026
224
205
216
213*
219
218
212*
203*
0027