Giant service manual Reassembly sequence of the P217/P218/P219/P220/P221/P227/P230 pumps

REPAIR INSTRUCTIONS - P217/P218/P219/P220/P221/P227/P230 PUMPS

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). Replace the plunger with the new one and locktite the plunger bolt and torque to 220 inch-pounds.

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.

Reassembly sequence of the P217/P218/P219/P220/P221/P227/P230 pumps

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). As- semble 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). For pumps manufactured prior to 5/97, tighten plugs (32) to 33 ft-lbs. otherwise, apply one drop of Loctite 243 to the valve plugs (32) and tighten to 59 ft.-lbs.

NOTE: Contact Giant Industries for Service School Information. Phone: (419)-531-4600

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