Honda WT40 Owner's Manual page 43

Installation:
1. Install the O-ring on the pump cover, taking care not to damage the O-ring.
2. Install the pump cover on the pump casing, and tighten the knobs hand
tight. Then, set the wrench to the knobs and finish tightening the knobs
evenly.
3. Install the drain plug in the pump cover.
4. After tightening the pump cover knobs, check the pump cover and pump
casing to ensure that there is no water leakage.
PUMP CASING
KNOBS (4)
O-RING
VOLUTE CASE
PUMP COVER
SERVICING YOUR PUMP
WRENCH
DRAIN PLUG
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