4PRO 4PROCN55, Original Instructions Manual

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MAINTENANCE AND INSPECTION
A qualified person should perform repair and maintenance
Storing
- When not in use of an extended period, apply a thin coat of the lubricant to the steel parts to
avoid rust.
- The nailer should be stored in a warm and dry place when not in use. Do not store the nailer in
a cold weather environment.
WARNING!
Disconnect tool from air supply before repairing the tool.
All the repairs shall be performed by qualified specialist or authorized service.
.
29
Troubleshooting
PROBLEM
CAUSE
CORRECTION
TRIGGER VALVE
LELAKS AIR
O-RING may be
CRACKED
REPLACE O-RING
NOSE LEAKS AIR
O-RING OR GASKET
IS CUT REPLACE O-RING OR GASKET
OR CRACKED
，
BUMPER CRACKED
/WORN REPLACE BUMPER
FAILURE TO
CYCLE AIR SUPPLY
RESTRICTION CHECK AIR SUPPLY EQIPMENT
TOOL DRY
，
LACK OF
LUBRICATION
USE AIR TOOL LUBRICANT.
BROKEN CYLINDER
CAP SPRING REPLACE CYLINDER CAP SPRING
LACK OF POWER
AIR PRESSURE TOO
LOW CHECK AIR SUPPLY EQPMENT
SLOW TO CYCLE
BROKEN CYLINDER
CAP SPRING REPLACE CAP SPRING
O-RINGS/SEALS CUT
OR CRACKED REPLACE O-RINGS/SEALS
EXHAUST BLOCKD CHECK BUMPER, HEAD VALUE
SPRING
TOOL DRY, LACK OF
LUBRICATION USE AIR TOOL LUBRICANT.
NAILS JAM IN
TOOL BENT NAILS REPLACE WITH THE NEW NAILS
BROKEN/CHIPPED
PISTON REPLACE DRIVER
WRONG SIZE NAIL REPLACE WITH CORRECT NAIL