Pump; No Pump Output; Low Pump Output - Honda WT40X Owner's Manual

TAKING CARE OF UNEXPECTED PROBLEMS

PUMP

No Pump Output

1. Check pump
chamber.
2. Check suction hose.
3. Measure suction and
discharge head.
4. Check engine.

Low Pump Output

1. Check suction hose.
2.
Check discharge
hose.
3.
Measure suction and
discharge head.
4. Check engine.
Possible Cause
Pump not primed.
Hose collapsed, cut or
punctured.
Strainer not completely
underwater.
Air leak at connector.
Strainer clogged.
Excessive head.
Engine speed to slow.
Possible Cause
Hose collapsed,
damaged, too long, or
diameter too small.
Air leak at connector.
Strainer clogged.
Hose damaged, too
long, or diameter too
small.
Marginal head.
Engine speed to slow.
Correction
Prime pump (p. 18 )
Replace suction hose
(p. 17 ).
Sink the strainer and
the end of a suction
hose completely
underwater.
Replace sealing washer
if missing or damaged.
Tighten hose connector
and clamp (p. 17 ).
Clean debris from
strainer.
Relocate pump and/or
hoses to reduce head
(p. 16 ).
Move throttle to fast.
Correction
Replace suction hose
(p. 17 ).
Replace sealing washer
if missing or damaged.
Tighten hose connector
and clamp (p. 17 ).
Clean debris from
strainer.
Replace discharge
hose (p. 18 ).
Relocate pump and/or
hoses to reduce head
(p. 16 ).
Move throttle to fast.
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