JBM 54397 Manual De Instrucciones página 5

REF. 54397
PARTS LIST
1. Square drive head
2. Trigger switch
3. Air inlet
4. Speed control knob
TROUBLESHOOTING
PROBLEMS
Tool runs at normal
speed without load,
but loses power under
load
Tool does not run or
runs slowly.
Air flows only slightly
from exhaust.
Tool will not run.
Air flows freely from
exhaust.
Sockets will not
stay on
POTENTIAL CAUSES
• Inadequate lubrication
• Insufficient air pressure
• Contaminants blocking the air-
flow or operation of motor parts
• One or more motor vanes stuck
• Motor rusted
• Worn socket retainer ring
• Check for excess clutch oil (clutch cases only
need to be half full)
• Check the air supply for sufficient pressure
• Check the air inlet for blockage
• Pour air tool lubricating oil into air inlet
• Operate tool in short bursts quickly reversing
rotation back and forth where applicable
• Pour air tool lubricating tool into air inlet
• Operate tool in short bursts of forward and/or
reverse rotation where applicable
• Tap motor housing gently with plastic mallet
• Change the retainer ring
· 5 ·
SOLUTION