DAYLIFF DC80D, Installation & Operating Manual

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6
Pump does not
prime water
Check suction piping
Add water
Tighten drain plug
Replace mechanical seal
Replace suction hose
Adjust engine speed
Insufficient priming water inside
pump casing
Drain plug is not tightened
Low engine speed
Damaged mechanical seal
Incorrect suction hose
Air in suction line
Oil leakage from
muffler or air
cleaner
Right engine & allow oil to drain Engine has tipped over
Engine does not
start
Clean carburettor
Clean air cleaner
Oil sensor is activated. Add oil (oil sensor
prevents engine from running if
oil level is low)
Adjust engine oil to suitable level
Check fuel cock if open
Clean and adjust plug
Carburettor is blocked
Spark plug is wet / dirty
Air cleaner dirty
Too much engine oil
Insufficient engine oil
No fuel
6. TROUBLE SHOOTING
PROBLEM POSSIBLE CAUSE SOLUTION
Cannot pull or
hard to pull
Recoil starter
Overhaul Engine
Dismantle & clean the impeller
Rusting inside engine
Engine jammed
Jammed Impeller
Insufficient delivery
or no output
Check suction hose
Air leakage from suction side
Check and Repair engine
Output power down from engine
Reduce suction lift
Suction lift is high
Shorten suction pipe or enlarge
diameter Suction pipe is too long or small in
diameter
Check delivery hose
Leakage of water from delivery hose or
pipe
Replace impeller Worn impeller
Dismantle & clean the impeller Blocked Impeller
Reduce delivery head
Delivery head exceeds pump capacity
Specify different pump