Graco Inc 801-457, 800-048, 2104ES manual Photo, Torqueallfour4bltsto240ir-lb 27 Nm

Plungers

Photo 4.

1 ) U s i n g. a n M1 1 w r e n c h , remove the plunger retainer.

2)Slide out theseal retainerwith oilwickandrubberbarrier slinger.

3).With a slight twisting motion, loosen theplungerfromthe plunger rod and remove.

MOTE: The studmayremain withtheretainer

w h erne m o v e d . D i s a s s e m b laen d s c r e ws t u idn t o plungerrodfinger tight.

4)ReplaceO-ring and back up ring on plunger retainer.

5)Saturatenewoilwickby soaking in oil.

6)Install new plunger.

7)Replace plungerretainerand torque to 80 in-lb (9 N m ) .

8)Installnewoilwickinseal retainer.

9)Replace barrierslingerover 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 remove the low pressure seal from the seal case.

3)Unscrewtheseal case from

themanifoldusingaspecial key wrench (801-044).

4)Remove thehighpressure seal andexamineBefore'. replacing, lubricate ID and OD

of new high-pressure seal and press into manifold.

NOTE: A socket andexten- sionmaybeusedto pressuresealfrom manifold.

5)Install new O-ring on seal case and lubricate OD of O-ring.

6)Screw seal case into manifold.

7)Lubricate ID and OD of low pressuresealandpressinto 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 manifold onto plungers, enreme caution should be exercised to avoid damage to the seals.

10)Torqueallfour(4)bltsto240ir-lb (27 Nm).

NOTE: Carefullystudythe order of respective p a r atsnndo t e positionof seals to

assureproper re- assembly and opera- tion.

801-457 7

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