PT 2/3 Repair Disassembly/Assembly Procedures
wc_tx000479gb.fm 48
5.7 Flapper Valve and Pump Housing
See Graphic: wc_gr002495
Flapper Valve Disassembly:
5.7.1 Remove four bolts (a) securing flange (b) and remove the flange.
5.7.2 Remove flapper valve (c).
Flapper Valve Reassembly:
5.7.3 When re-installing flapper, match tab (d) in flapper valve with indent in
flange (e).
5.7.4 Apply Loctite 243 or equivalent on the four screws (a) and secure the
flapper valve (c) and flange (b) to the pump housing.
Pump Housing Disassembly:
5.7.5 Remove the two nuts securing the front shock mounts (f) to the frame.
5.7.6 Support the engine with a block of wood (g).
Remove the four screws (h) securing the housing to the engine and
remove the housing from the engine.
Pump Housing Reassembly:
5.7.7 Remove the block of wood (g).
5.7.8 Apply Loctite 243 or equivalent on the screws (h) and secure the
housing to the engine.
5.7.9 Secure the front shock mounts (f) to the frame with two nuts.
5.8 Checking O-rings
See Graphic: wc_gr002541
Inspect housing cover O-rings before each use.
5.8.1 Loosen the knobs (a) securing housing cover/volute assembly to the
pump housing and remove housing cover/volute assembly.
5.8.2 Inspect the O-rings (b) for tears, rips, or cracks.
5.8.3 Replace damaged O-rings.
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