Pumpjack Connections - Graco G-Chem Series Instructions And Parts

Installation

Pumpjack Connections

1. Remove power to the pumpjack and wait for the
pumpjack to stop moving.
2. Attach a cable (N) to the walking beam (P) using a
beam clamp (R) or other connection method (both
user-supplied).
• Place the beam clamp (R) on the walking beam
(P) where the vertical travel is, at most, 21 in.
(53.34 cm), which is the maximum travel of the
G-Chem pump's lever arm.
21 in.
F . 4 Lever arm range of travel
IG
3. Position the G-Chem pump (A) on the pumpjack
base (M) so that the walking beam (P) provides a
straight upward pull as it rises.
• The lever arm (122) must be able to travel 6 in.
below the base of the G-Chem pump (A) to
achieve maximum flow.
10
4. Securely clamp or bolt the G-Chem pump (A) to the
5. Connect the lever arm (122) to the walking beam
6. Ensure there is no slack in the cable (R) when the
8
122
A
6 in.
pumpjack base (M) using the pump's supplied
base (112).
• The G-Chem pump (A) is shipped with the sup-
plied base (112) already attached.
(P) by routing the end of the cable (N) through the
eye bolt (8) on the supplied swivel block (B).
G-Chem pump (A) is maximum stroke (setting "1"
on the lever arm (122) and "Full" on the stroke
adjust). Refer to Adjust the Pump Stroke on
page 14.
3A6349A