RK20025-01
Replacement Primer Pump Kit
Contact Information
Parker Hannifin Corporation
Racor Division
P.O. Box 3208
3400 Finch Road
Modesto, CA 95353
phone 800 344 3286
209 521 7860
fax
209 529 3278
parker.com/racor
1. Filter assembly must be drained
before beginning installation
and unmount head for ease of
service, if possible.
2. Remove existing pump plunger
and plunger support ring. Be
careful not to nick or damage
other component surfaces.
4. Remove existing pump knob/
shaft and discard. Then install
new pump knob/shaft and
tighten pump knob hand tight—
do not use tools.
5. Turn head over, if possible, and
install support ring on pump
shaft first (cup faces pump
plunger - see Figures 1 and 2),
then install pump plunger.
6. Use a screwdriver to remove
existing checkball cap and
checkball. Insert new checkball
in port, lubricate O-ring on
new cap and thread it into
port. Tighten snugly with
screwdriver—do not overtighten.
7. Remount head and attach filter,
if required.
8. Open vent plug and prime filter
assembly with pump until fuel
comes out of vent plug. Close
and tighten vent plug.
Instruction Part Number 12925 Rev A
Primer Pump Knob
Checkball and Cap
Pump Plunger
Support Ring
Primer Knob
Support Ring
and Plunger
Checkball
and Cap
Mounting
Head
Vent Plug
Figure 2
Figure 1
