7
Reassembly sequence of the P220-3000 pump
1) If oil seals (19) were removed, replace with seal lip towards crankcase. Lubricate seals before replacing.
2) Replace seal case (20) with o-rings (21) over plungers. Generously lubricate o-rings and oil seal before
reassembly. Replace v-sleeve (23A) over plungers (16)..
3) Generously lubricate v-sleeve (23). Assemble v-sleeves (22) into valve casing (#26). Assemble weep
return ring (25) and pressure ring (24) over plungers (16). Slide valve casing over plungers and seat
firmly. Replace the eight socket head cap screws (34) and tighten to 105 inch-pounds in a crossing
pattern.
4) Replace the six o-rings (31) and the six valve assemblies (32X). Now replace the six valve plug o-rings
( 33). Apply one drop of Loctite 243 to the valve plugs (32) and tighten to 59 ft.-lbs.
REPAIR INSTRUCTIONS - P220-3000 PUMP
NOTE: Contact Giant Industries for Service School Information. Phone: (419)-531-4600
NOTE: If there are
deposits of any kind (i.e.,
lime deposits) in the
valve casing, be certain
that the weep holes in the
weep return ring (25)
and valve casing (26)
have not been plugged.
10. If the ceramic plunger pipe
(16B) is damaged, remove
the plunger bolt (16C).
Discard the old plunger
pipe (16B) and copper
gasket (16D), and clean the
old locktite from the
plunger bolt (16C) and
plunger base (16A). (For
pumps that use the 316
S.S. crush washer (16D),
fatten the washer prior
to plunger reassembly)
Replace the plunger with
the new one and locktite
the plunger bolt and torque
to 220 inch-pounds.
Preventative Maintenance Check-List & Recommended Spare Parts List
Check Daily Weekly 50hrs Every Every Every
500 hrs 1500 hrs 3000 hrs
Oil Level/Quality X
Oil Leaks X
Water Leaks X
Belts, Pulley X
Plumbing X
Recommended Spare Parts
Oil Change (1 Quart) p/n 1153 X X
Seal Spare Parts (1 kit/pump) X
(See page 4 for kit list)
Oil Seal Kit (1 kit/pump) X
(See page 4 for kit lit)
Valve Spare Parts (1 kit/pump) X
(See page 4 for kit list)