TOOLWAY BOLTON PRO 192021 Mode D'emploi page 29

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 lacks power.
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 lacks power.
2 9
Correction
Prime the pump
Replace suction hose
Sink the strainer and the
end of a suction hose
completely underwater.
Replace sealing washer if
missing or damaged.
Tighten hose connector
and clamp
Clean debris from strainer.
Relocate pump and/or
hoses to reduce head
See page 26.
Correction
Replace suction hose
Replace sealing washer if
missing or damaged.
Tighten hose connector
and clamp
Clean debris from strainer.
Replace discharge hose
Relocate pump and/or
hoses to reduce head