Honda WT30XK4, Руководство пользователя

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TROUBLESHOOTING
4-6
WATER PUMP TROUBLESHOOTING
PUMP WON’T PRIME
DISCHARGE VOLUME OR PRESSURE TOO LOW
NOISE OR VIBRATION (CAVITATION)
Low vacuum
Vacuum normal
Perform vacuum test (page 10-7). Check customer's system and usage.
•
•
•
•
•
•
Customer not filling pump housing with water
prior to starting.
Air leak in suction hose and / or fitting.
Suction head too high.
Suction hose too long and / or restricted.
Strainer clogged.
Customer not positioning throttle in fast
position during priming.
Disassemble pump and inspect.
•
•
•
•
•
•
• Impeller and / or volute worn.
Volute loose.
Damaged or missing pump housing
O -rings.
Mechanical seal damaged.
Inlet port gasket / inlet valve damaged.
Cracked pump housing.
Leaking drain or fill plugs.
Low vacuum
Vacuum normal
Perform vacuum test (page 10-7).
Check customer's system and usage.
•
•
•
•
•
•
Air leak in suction hose and / or fitting.
Suction head too high.
Discharge head too high.
Suction and / or discharge hoses too long,
too small, or restricted (kinked, etc.)
Strainer clogged.
Customer not positioning throttle in fast
position.
Disassemble pump and inspect.
•
•
•
•
•
•
•
Impeller and / or volute worn.
Volute loose.
Damaged or missing pump housing
O -rings.
Mechanical seal damaged.
Inlet port gasket / inlet valve damaged.
Cracked pump housing.
Leaking drain or fill plugs.
Strainer damaged or clogged.
Suction head too high.
Suction hose too small and/or too long.
Replace (page 10-3).
Noise or vibration (cavitation)
Correct.
Correct.
Suction hose restricted (kinked, etc.) Correct.
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