Avdel 74110 Manuel D'instructions page 52

F a u l t D i a g n o s i s
S y m p t o m P o s s i b l e C a u s e
S Y M P T O M
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
Other symptoms or failures should be reported to your local Avdel authorised distributor or repair centre.
24
P O S S I B L E C A U S E
Worn thrust bearing or thrust washers Replace
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
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
R e m e d y
R E M E D Y
Change batch of inserts
Replace
Lubricate drive screw properly
Fit thrust spring
Adjust to correct setting
Check air supply/fittings
Adjust air pressure at base of handle
5 -6.3 bar maximum.
Ensure bore of hose is 6.4mm
minimum
Ensure there is no restriction in the
air supply or connections
Lubricate as per instructions
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
Replace
Adjust to correct setting
Adjust air pressure/volume
Select correct insert
Change batch of inserts
Lubricate drive screw correctly
Change Inserts
Replace drive screw
Replace with correct insert/drive
screw
P a g e R e f
PA G E R E F
10
10
10
15
8
8
8
8
12
12
8
19
5
19
19
15
8
10
10
continued overleaf