Huck ERT7, Инструкция по эксплуатации

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ERT7 and ERT8 Ebbert Rivet Tools (HK1061)
Always check the simplest possible cause (such as a disconnected air hose ) of a malfunction first. Then proceed
logically, eliminating other possible causes until the cause is discovered. Where possible, substitute known good parts
for suspected defective parts. Use this troubleshooting information to aid in locating and correcting trouble.
1. Tool fails to operate when trigger is pressed.
a. Inoperative Power Source. See applicable
instruction manual.
b. Damaged trigger assembly.
c .
2. Tool leaks hydraulic fluid.
a. Defective tool O-rings or loose connections at
tool.
3. Hydraulic couplers leak fluid.
a. Damaged or worn O-rings in Coupler Body
Coupler.
4. Hydraulic fluid overheats.
a. Unit not operating properly. See unit’s manual.
5. Tool operates erratically and fails to install fastener
properly.
a. Low or erratic hydraulic pressure. Air in system .
b. Worn or damaged piston O-ring in tool.
c. Excessive wear on sliding surfaces of tool parts.
6. Pintail of fastener fails to break.
a. Improper tool operation. See No. 5 .
b. Incorrect fastener size or type.
c. PULL pressure too low.
7. Pulling Head will not release broken pintail.
a. Pulling Head assembly not correctly installed.
b. Tool or Pulling Head may need cleaning.
8. Excessive air leaking from trigger and tool will not
function.
a. Green and red air hoses may be switched.
Service Kit
ERT7 and ERT8 - 300471
This kit is for both tools and should be kept on hand at all times. It contains:
P/N Part Qty . P/N Part Qty .
500779 O-ring 1 507665 Seal 2
500780 O-ring 1 300066 Seal 2
500794 O-ring 3 300071 Seal 1
300156 Back-up Ring 1 300125 Bumper 1
Kits and Accessories
Troubleshooting

1. Remove Vacuum Tube Connector Assembly from
remaining Pulling Head Assembly.
2. Take remaining pulling head assembly, and remove
outer sleeve. Install collet, jaws, follower assembly,
and spring as an assembly onto tool, sliding Follower
and Spring Assembly into the end of the Piston,
and screwing the collet onto the piston. Once this is
complete, slide sleeve over collet, and tighten down
into end of tool. Tighten the sleeve nut.
3. Reinstall Vacuum Tube Connector Assembly to
follower tube protruding from rear of tool. Tighten
nut.
Attaching Nose Assembly to Tool