
12
BTT35LS BOBTAIL Installation Tool
Alcoa Fastening Systems
T
T
ROUBLESHOOTING
ROUBLESHOOTING
Always check the simplest possible cause of a mal-
function first. For example, a loose or disconnected
trigger line. Then proceed logically and eliminate each
possible cause until the defect is found. Where possi-
ble, substitute known good parts for suspected defec-
tive parts. Use chart 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 cou-
pler P/N 110440.
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
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 fas-
tener 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.
O
O
PTIONAL
PTIONAL
E
E
QUIPMENT
QUIPMENT
Service Kit
-
HPT35KIT
(contains O-Rings, back-up Rings, Wiper, POLYSEAL, and various size HEX keys for tool service)
Teflon Stick
-
503237
Loctite* 242
-
505016
*Loctite is a trademark of Henkel Corporation, U.S.A.
Anti-seize Lubricant - 508183
High Pressure Right Angle Connector Kit - 122002
Control Cord Kit (Joy Connectors) - 121248