Huck 2624 - Troubleshooting

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ROUBLESHOOTING
ROUBLESHOOTING
2624 2624HS 2628 2630 Series Tooling Alcoa Fastening Systems
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Always check the simplest possible cause of a malfunction first
(example: a loose or disconnected trigger line). Then proceed
logically and eliminate each possible cause until the defect is
found. Where possible, substitute known good parts for sus-
pected defective parts. Use the following steps as an aid in
troubleshooting.
1. Tool fails to operate when trigger is pressed.
a. Inoperative POWERIG® Hydraulic Unit. See applicable
instruction manual.
b. Loose electrical connections.
c. Damaged trigger assembly.
d. Loose or faulty hose coupling.
2. Tool operates in reverse.
a. Reversed hose connections between hydraulic unit and
tool.
3. Tool leaks hydraulic fluid.
a. Defective tool O-rings or loose connections at tool.
4. Hydraulic couplers leak fluid.
a. Damaged or worn O-rings in Coupler Body Coupler
5. Hydraulic fluid overheats.
a. Unit not operating properly. See units manual.
b. Unit running in reverse (918; 918-5 only). See unit’s man-
ual.
6. Tool operates erratically and fails to install fastener properly.
a. Low or erratic hydraulic pressure. Air in system.
b. Damaged or worn Piston O-ring in tool.
c. Excessive wear on sliding surfaces of tool parts.
7. Pull grooves on fastener pintail stripped during PULL stroke.
a. Operator not sliding anvil completely onto fastener pintail.
b. Incorrect fastener grip.
c. Worn or damaged jaw segments.
d. Metal particles in jaw grooves.
e. Excessive sheet gap.
8. Collar of fastener not completely swaged.
a. Improper tool operation. See No. 6.
b. Scored anvil.
9. Tool "hangs up" on swaged collar of fastener.
a. Improper tool operation. See No. 6.
b. RETURN pressure too low.
c. Not enough collar lubricant.
d. Nose assembly not installed correctly.
10. Pintail of fastener fails to break.
a. Improper tool operation. See No. 6.
b. Pull grooves on fastener stripped. See No. 7.
c. PULL pressure too low.
11. Nose will not release broken pintail.
a. Nose assembly not installed correctly.
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OTES
OTES
Use this section to record any notes you need regarding your tool(s).