16
308069
Troubleshooting
PROBLEM
CAUSE
SOLUTION
Material drips steadily from weep
port in motor base
Throat packing nut loose
Tighten packing nut
Throat packing worn
Replace packings
Pump chattering
Packing nut too tight
Loosen packing nut
Packing worn/material dried on I.D. of
packing
Inspect/replace packings
Material dried on rod
Clean or replace rod
Pump fails to prime
No material
Fill or replace container
Air leak between intake valve and
suction tube (55 gal. unit only)
Tighten or replace clamp or hose
Material or other contamination on ball
seats
Inspect and clean
Intake ball stuck
Inspect, clean or replace
Inlet strainer plugged
Clean strainer
* Relieve the pressure. Disconnect the fluid hose. If the pump starts when the air is turned on again, the hose or gun
is clogged.
