PORTABLE COLL-O-CRIMP® Model T-400-1 Set up and operating instructions
12 | PORTABLE COLL-O-CRIMP® Model T-400-1 Set up and operating instructions | 2022.10.
AQ430855066686en-000101
Troubleshooting Procedures
Troubleshooting Coll-O-Crimp T-421 U Electric Pump
PROBLEM
CAUSE
SOLUTIONS (Page 13)
Pump/motor does not start
Blown fuse; Improper electrical hookup
(cut cord, loose wire, switch malfunctions)
Step #1
Motor starts but blows fuses
High Amps;
Pusher doesn't advance;
Pump binding or scored;
Cold oil
Step #1
Replace Pump
Motor runs - Pusher does not advance Shuttle stuck open;
Pump coupling sheared;
Pump unload valve stuck open
Step #4
Replace Pump
Motor runs - Pusher advances but
doesn't develop final crimp pressure,
blows fuse
Pump unload valve stuck shut
Replace Pump
Motor runs - Pusher advances but
doesn't develop final crimp pressure.
Relief valve leaking;
Shuttle valve leaking;
Relief valve set low
Step #3
Step #4
Step #3
Pusher won't retract
Shuttle valve stuck closed
Step #4
Pusher erratic movement
Low oil level
Worn seal
Step #2
Replace Pump
Pump noisy: On start up only (Con-
tinuous)
Low room temp. - oil too thick
Air leaking - low oil level
Use lighter weight oil
Step #2
Oil temperature hot
Having unit operate at crimping PSI too long
Low oil level;
Pump worn (longer cycle time)
Leaking RV, shuttle valve
Operate for 3 seconds at crimp pressure
Step #2
Replace Pump Step #3, #4
Summary of Contents for Weatherhead Coll-0-Crimp T-400-1
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