Troubleshooting
3A7656C
27
Pump is difficult to prime
Air in Pump or hose.
Check and tighten all fluid
connections. Cycle Pump as
slowly as possible during
priming.
Intake valve is leaking.
Clean intake valve. Be sure
ball seat is not nicked or worn
and that ball seats well.
Reassemble valve.
Pump packings are worn.
Replace Pump assembly. See
Sprayer operates for 5 to 10
minutes then stops
Pump packing nut too tight.
When Pump packing nut is too
tight the packings on the Pump
rod restrict Pump action and
overloads the motor.
Loosen Pump packing nut.
Check for leaks around throat.
If necessary, replace Pump
assembly. See
33.
Problem
What to Check
If check is OK, go to next
check
What to Do
When check is not OK,
refer to this column
