50
TAKING CARE OF UNEXPECTED PROBLEMS
PUMP
No Pump Output
Low Pump Output
Possible Cause
Correction
Throttle lever not in the FAST
position.
Move the throttle lever to the FAST position.
Pump not primed.
Prime pump (see page 21).
Suction hose collapsed, cut, or
punctured.
Replace suction hose (see page 19).
Strainer not completely
underwater.
Sink the strainer and the end of the suction hose
completely underwater.
Air leak at connector.
Replace hose coupling packing if missing or
damaged.
Tighten hose connector and clamp (see pages 19
and 20).
Strainer clogged.
Clean debris from strainer.
Excessive head.
Relocate pump and/or hoses to reduce head (see
page 18).
Engine lacks power.
Possible Cause
Correction
Throttle lever not in the FAST
position.
Move the throttle lever to the FAST position.
Suction hose collapsed,
damaged, too long, or diameter
too small.
Replace suction hose (see page 19).
Air leak at connector.
Replace hose coupling packing if missing or
damaged.
Tighten hose connector and clamp (see pages 19
and 20).
Strainer clogged.
Clean debris from strainer.
Discharge hose damaged, too
long, or diameter too small.
Replace discharge hose (see page 20).
Excessive head.
Relocate pump and/or hoses to reduce head (see
page 18).
Engine lacks power.
31YH6600.book 50 ページ ２０１５年１月８日 木曜日 午前１１時５０分
