Applifast HK961, Instruction Manual, Page: 14 / 36

2580 series Hydraulic Installation Tools
(HK961)
14
7. Pull grooves on fastener pintail stripped during pull stroke:
a. Operator not sliding jaws completely onto fastener pintail.
b. Incorrect fastener length.
c. Worn or damaged jaw segments.
d. Metal particles accumulated in pull grooves of jaw segments.
e. Excessive sheet gap.
f.
Nose assembly not properly attached - see NOSE ASSEMBLY
DATA SHEET
8. Collar of HUCKBOLT® Fastener not completely swaged:
a. Improper tool operation. See 6.
b. Scored anvil in nose assembly.
9. Shear collar on Huck blind fastener not properly installed:
a. Improper tool operation. See 6.
b. Worn or damaged driving anvil in nose assembly.
10. Tool “hangs-up” on swaged collar of HUCKBOLT Fastener:
a. Improper tool operation. See 6.
b. RETURN pressure too low.
c. Nose assembly not properly attached - see NOSE DATA
SHEET.
11. Pintail of fastener fails to break:
a. Improper tool operation. See 6.
b. Pull grooves on fastener stripped. See 7.
c. Worn piston and/or unloading valve.
d. Hydraulic pressure too low.
e. Damaged O-ring on piston.
12. Operator cannot slide nose assembly (completely) onto fastener:
a. Broken pintails jammed in tool. Install pintail tube if broken
pintails will pass through.
T
T
ROUBLESHOOTING
ROUBLESHOOTING
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(
CONTINUED
CONTINUED
)
)