Instruction Manual for F1300/1600 Mud Pump
42
become low and the
discharge reduces or no mud
discharged.
sealed off and the air gets
into the pump.
2. The suction filter screen is
plugged.
charging piping or change the
gasket.
2. Stop the pump and clean the
suction filter screen.
2. Uneven discharge. The
pressure gauge fluctuates.
The charging piping has
abnormal noise.
1. A piston or a valve is worn
out or damaged.
2. There is air in the pump
cylinder.
1. Change the damaged piston
and check the valve to find if it’s
damaged or plugged.
2. Check if the charging piping
and valve cap are sealed off.
3. There is severe knock in
the liner.
1. The piston nuts are loose.
2. The liner cover is loose.
3. The suction is not good
caused water dash.
1. Tighten the piston nuts.
2. Tighten the liner cover.
3. Check the reason of improper
suction.
4. The mud leakage from the
alarm bore of valve cap,
cylinder and liner seal.
1. The valve cap and the
cylinder cover are not
tightened.
2. The seal ring is damaged.
1. Tighten the valve cap and the
cylinder cover.
2. Change the seal ring.
5. The discharge pulsation
dampener can’t be charged or
it leaks soon after charging.
1. The charging connector is
plugged.
2. The bladder of the
pulsation dampener is broken.
3. The needle valve is not
sealed.
1. Clean the connector.
2. Change the bladder.
3. Repair or change the needle
valve.
6. The diesel is overloaded.
The discharge filter drum is
plugged.
Remove the filter screen and
clean it.
7. Abnormal temperature on
running friction parts like
power end, crosshead etc.
1. The oil pipe or oil port is
plugged.
2. The lubricating oil is too
dirty or deteriorated.
3. The rolling bearing is worn
or damaged.
4. The lubricating oil is too
much or too little.
1. Clean the oil pipe or oil port.
2. Change new oil.
3. Repair or change bearing.
4. Add proper amount of oil.
8. Abnormal knock sound on
power end, bearing,
crosshead etc.
1. The crosshead guide is
worn out sharply.
2. The bearing is worn out.
3. The guide is loose.
4. There is water hammer on
the fluid end.
1. Adjust the clearance or
change the worn guide.
2. Change the bearing.
3. Tighten the bolts of guide.
4. Improve the suction
performance.
Note: Besides the above estimated troubles, if other abnormal phenomena are found, the
