Graco Inc 801-392, 800-053, 2104E manual Photo 5, 6, 7 and

Plungers

Photo 4.

1 ) U s i n ga nM 1 1 wrench, remove the plunger retainer.

2)Slide out theseal retainer with

oilwick and rubberbarrier slinger.

3)With a slight twistingmotion, loosen the plungerfromthe plunger rod and remove.

NOTE: The stud may remain

withthe retainer w h e rne m o v e d . Disassembleand

s c r e ws t u idn t o plungerrodfinger tight.

4)Replace O-ring 'and backup ring on plunger retainer.

5)Saturate newoil wick by soaking in oil.

6)Install new plunger.

7)Replace plunger retainer and torque to 80 in-lb (9 Nm).

8)Installnew oil wick in seal retainer.

9)Replace barrierslinger over

new plunger.

10)Lubricate each plunger sleeve andcarefullyslidemanifold onto crankcase.

Seals or V-Packings

Photo 5, 6, 7 and 8.

1) Remove C-ring fromseal case:

2)Then removethe lowpressure seal from the seal case.

3)Unscrewthe seal case from themanifoldusing a special' key wrench (801-044).

4)Remove thehighpressure

seal and examine. Before replacing, lubricateID and OD of new high-pressure seal and press into manifold.

MOTE: A socket andexten- sion maybeused to pressure seal from

k

,.

,.:

. ..,,., .

manifold.

5)Install newO-ring on sealcase and lubricate OD of O-ring.

6)Screw seal case into manifold.

7)Lubricate ID and OD of low pressure seal and pressinto seal case.

8)Replace C-ringholding low pressure seal in place.

9)Lubricate each plunger sleeve andcarefullyslidemanifold onto crankcase.

.NOTE: W h e nr e p l a c i n g manifoldonto plungers, ememe caution should be exercised to avoid damage to the seals.

10)Torqueallfour(4)boltsto240in-lb (27 Nm).

NOTE: Carefullystudythe order of respective p a r tasnndo t e position of sealsto assure proper re- assembly and opera- tion.

801-392 7