2581 2582 2583 Hydraulic Installation Tools
(HK1173)
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Troubleshooting
Always check the simplest possible cause of a malfunction first. For example, a loose or disconnected trigger line.
Then proceed logically, eliminating each possible cause until the defective part is located. Where possible,
substitute known good parts for suspected defective parts. Use Trouble Shooting Chart as an aid for locating and
correcting trouble.
1. Tool fails to operate when trigger is depressed.
a. Inoperative Powerig® Hydraulic Unit. See appli-
cable instruction manual.
b. Loose air or electric connections.
c.
Damaged trigger assembly.
d. Loose or faulty hydraulic hose couplings.
e. Unloading valve not installed in Tool.
2. Tool operates in reverse.
a. Reversed hydraulic hose connections between
hydraulic unit and Tool.
3. Tool leaks hydraulic fluid.
a. Defective Tool 0-rings or loose hose connec
tions at Tool.
4. Hydraulic couplers leak fluid.
a. Damaged or worn 0-rings in coupler body. See
Coupler 110440.
5. Hydraulic fluid overheats.
a. Hydraulic unit not operating properly.
b. Unloading valve installed incorrectly.
c.
Powerig Hydraulic Unit running in reverse (918:
918-5) See unit's manual.
6. Tool operates erratically and fails to install fas
tener properly.
a. Low or erratic hydraulic pressure; air in system
b. Damaged or worn piston/anvil 0-ring in Tool.
c.
Unloading valve installed incorrectly.
d. Excessive wear on sliding surfaces of Tool parts.
e. Excessive wear of unloading valve in Tool.
7. Pull grooves on fastener pintail stripped during
PULL stroke.
a. Operator not sliding anvil completely onto fasten-
er pintail.
b. Incorrect fastener grip.
c.
Worn or damaged jaw segments.
d. Metal particles in pull grooves of jaw segments.
e. Excessive sheet gap.
8. Collar of HUCKBOL T® fastener not completely
swaged.
a. Improper Tool operation. See Trouble 6.
b. Scored anvil.
9. Jaw segments do not maintain proper position
in collet.
a. Improper operation of follower. Check number
of follower 0-Rings
10. Tool "hangs-up" on swaged collar of HUCKBOLT
Fastener.
a. Improper Tool operation. See Trouble 6.
b. RETURN pressure too low.
11. Pintail of fastener fails to break.
a. Improper Tool operation. See Trouble 6.
b. Pull grooves on fastener stripped. See Trouble 7.
c.
PULL pressure too low.
d. Worn unloading valve.
12.Shear collar on Huck blind fastener not driven.
a. Improper Tool operation.
b. Worn or damaged driving anvil in nose assembly.
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