Product Manual

Troubleshooting
24 3A7656A
Troubleshooting
Mechanical/Fluid Flow
844-241-9499
1. Disconnect power cord and follow
Pressure Relief Procedure, page 11,
before checking or repairing.
2. Check all possible problems and causes
before disassembling the unit.
Problem
What to Check
If check is OK, go to next
check
What to Do
When check is not OK,
refer to this column
Pump output is low Spray Tip worn. Follow Pressure Relief
Procedure, page 11, then
replace Spray Tip.
Fluid supply. Refill and reprime Pump.
Inlet Strainer clogged. Remove and clean, then
reinstall.
Intake valve ball and piston
ball are not seating properly.
Remove intake valve and
clean. Check balls and seats
for nicks. Replace Pump if
necessary. See Parts, page
32.
Prime/Spray Valve leaking. Follow Pressure Relief
Procedure, page 11, then
replace Control assembly. See
Parts, page 32.
Verify Pump does not continue
to stroke when Spray Tip
trigger is released. (Prime/
Spray Valve not leaking.)
Replace Pump if necessary.
See Parts, page 32.
Leaking around throat packing
nut which may indicate worn or
damaged packings.
Replace Pump if necessary.
See Parts, page 32.