User's Manual

12
REPAIR INSTRUCTION - P200A-3100/5100 SERIES
1. With a 22mm socket
wrench, remove the (3)
discharge valve plugs and
(3) inlet valve plugs (32)
Inspect the o-ring (33) for
wear and replace if dam-
aged.
2. Using a needle nose pliers,
remove the inlet and
discharge valve assemblies
(27-30) and o-ring (31).
Inspect all parts for wear
and replace as necessary.
3. By inserting a small screw
driver between the valve
seat (27) and the valve
spring retainer (30), the
valve assembly can be
separated.
7. Remove the weep return
ring (25), pressure ring
(24), and v-sleeve (23)
from the valve casing (26).
Remove the rear v-sleeve
(23A) from the seal case
(20). Inspect all parts,
including o-ring (21) for
wear and replace as
necessary
8. Check surfaces of plunger
(16). A damaged surface
will cause accelerated
wear on the seals. Depos-
its of any kind must be
carefully removed from
the plunger surface. A
damaged plunger must be
replaced!
9. If the crankcase oil seals
(19) are to be replaced,
they can be removed by
prying loose with a flat
screwdriver. Take care not
to make contact with the
plunger.
4. Apply one drop of Loctite
243 to the valve plugs (32)
and tighten to 33 ft.-lbs.
5. Next, use a 5mm allen
wrench to remove the 8
socket head cap screws
(34).
6. Carefully slide the valve
casing (26) out over the
plungers.
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