Repair
3A6349A
19
Repair
Pump Repair
1.
Remove power to the pumpjack and wait for the
pumpjack to stop moving.
2.
Follow the
Pressure Relief Procedure
.
3.
Disconnect lever arm (122) from the pumpjack.
4.
Expose the drive shaft by loosening the fasteners
(128) and removing the guard (127). The fasteners
are captive and will remain with the guard.
5.
Remove the screws (3) and slide the fluid cylinder
away from the drive housing (101).
NOTE:
The plunger (209) will stay within the drive
housing (101) unless the dowel pin (120) is
removed. The dowel pin is held in place by a split
ring that can be push aside to free the pin. It is not
necessary to remove the plunger (209) unless it is
damaged and needs to be replaced.
6.
Remove packing nut (207) from fluid cylinder (201).
F
IG
. 9 Expose the drive shaft
128
127
F
IG
. 10 Disconnect the fluid cylinder
F
IG
. 11 G-Chem Pump Repair
3
201
209
101
120
201
Packing
Stack
210
206
204
205
204
205
203
202