Instruction manual

Huck-Spin® Series Tooling (HK1076) Alcoa Fastening Systems
36
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 suspected 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 applica-
ble 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
manual.
6. Tool operates erratically and fails to install fastener prop-
erly.
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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ROUBLESHOOTING
ROUBLESHOOTING
Cylinder Assy 121453 Seal Kit - HS52SEALKIT
Screw Kit - HS52SCREWKIT
Tools Kit (Hex Keys, Pliers, etc.)- HS52TOOLKIT
Air Motor Kit - 121474KIT
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ITS
ITS
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AND
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CCESSORIES
CCESSORIES