307962 9
Troubleshooting
WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure
on page 6.
Before servicing this equipment always make sure to
Relieve the Pressure
.
Check all possible problems and solutions before
disassembling the pump.
Problem
Cause
Solution
Excess material leaks from the weep
holes in the base of the motor.
Worn throat packings
Flush the weep holes when flushing
the pump. Replace the throat pack-
ings.
Pump doesn’t build pressure.
Worn piston and/or throat packings
Replace the packings.
Pump is clogged.
Material has dried in the pump
Flush pump more frequently; replace
packings as needed.
Material is too dry
Add water.
Pump and hose not flushed with water
before pumping grout
Wet hose and pump with water before
pumping grout. See page 7.
Motor leaks air or stops
Lack of lubrication
Rebuild motor, and inject oil into air in-
let daily.
WARNING
This pump is specially designed with non-sparking
construction. Interchange of any part for repair or
improvement of the pump, including the air motor,
must be with identical parts bearing the same part
numbers given on pages 13–15. To reduce the risk
of a fire or explosion and serious injury, the use of
any other parts is prohibited.
