Repair manual

Repair PS4 7503HH, PS4 7503HF, PS4 11003HH, PS4 11003HF

Repair.fm 186

16.Turn pump on its side, remove three nuts (bm), three washers (bh),

plate (bk) and suction strainer (bj).

17.Remove three stud bolts (bi) and three washers (bh).Remove

three bolts (bb), three washers (ba) and suction cover (bg).

—Remove any gaskets (bf) between suction cover and volute.

These gaskets are used as shims to adjust impeller clearance.

18.Using a pneumatic wrench, remove acorn nut (be). Remove

lockwasher (bd) and thread cover (bc).

Note: Impeller vanes may be very sharp due to excessive wear.

Handle with care.

19.Remove impeller (br).

—A puller tool, part number 0151080, may be required.

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