F A U L T D I A G N O S I S T A B L E
F
A U L T D I A G N O S I S
REMEDY
➝
Replace
➝
Change batch of inserts
➝
Replace
➝
Lubricate drive screw properly (see page 6)
➝
Fit thrust spring
➝
Adjust to correct setting
➝
Check air supply/fittings
➝
Adjust air pressure at base of handle. 5 - 8 bar maximum.
➝
Ensure bore of hose is 6.4mm minimum
➝
Ensure there is no restriction in the air supply or connections
➝
Lubricate as per instuctions
➝
Lubricate then depress trigger several times
➝
Ensure there is no restriction in the air supply
➝
Replace with one of correct length
➝
Adjust air pressure/volume
➝
Replace where necessary
➝
Seal with thread sealant
➝
Replace
➝
Adjust to correct setting
➝
Adjust air pressure/volume
➝
Select correct insert
➝
Change batch of inserts
➝
Lubricate drive screw correctly (see page 6)
➝
Change Inserts
➝
Replace drive screw
➝
Replace with correct insert/drive screw
➝
Clean Nutserts
➝
Adjust to correct setting
➝
Change to correct Insert
➝
Correct hole size in application
➝
Adjust to correct setting
➝
Lubricate drive screw regularly when using standard Nutserts
➝
Change batch of inserts
➝
Ensure tool is held square to application
➝
Replace with correct insert/drive screw
➝
Change batch of inserts
POSSIBLE CAUSE
➝
Worn thrust bearing or thrust washers
➝
Dirty insert threads
➝
Worn drive screw
➝
Lack of lubrication on drive screw
(Standard Nutserts only)
➝
Thrust spring not fitted
➝
Clutch torque setting too low
➝
Insufficient pressure/volume of air
➝
Insufficient air pressure
➝
Incorrect bore of hose
➝
Insufficient air volume
➝
Tool not properly lubricated internally
➝
Tool not properly lubricated
➝
Restricted air pressure/volume
➝
Push rod too long
➝
Insufficient air supply
➝
Push rods/needle roller missing
➝
Air leak around screw
73
➝
Push rod too short
➝
Torque setting too low
➝
Insufficient air pressure/volume
➝
Inserts out of grip
➝
Lack of lubrication on insert
➝
Lack of lubrication on drive screw
(Standard Nutserts only)
➝
Insert thread restricted
➝
Drive screw thread worn
➝
Incorrect insert/drive screw
➝
Dirty Nutserts
➝
Clutch torque setting too low
➝
Application thickness below minimum
recommended grip
➝
Oversize hole in application
➝
Clutch torque setting too high
➝
Drive screw not lubricated
➝
Inserts not lubricated
➝
Tool not held correctly
➝
Incorrect insert/drive screw threads
➝
Restricted insert threads
SYMPTOM
Tool reverses
before Insert
is Placed
Tool runs slowly
Tool fails to start
Tool runs
permanently
in reverse mode
Tool runs
permanently
in forward mode
Inserts not
pulling up
Standard Nutserts
centres falling out
Worn drive
screws
16