Lubrication; Trouble Shooting; Maintenance - Bostitch P50 Serie Manual De Operación Y De Mantenimiento

MAINTAINING THE PNEUMATIC TOOL
When working on air tools, note the warnings in this manual and use extra care evaluating
problem tools.
CAUTION: Pusher spring (constant force spring). Caution must be used when working with the spring
assembly. The spring is wrapped around, but not attached to, a roller. If the spring is extended beyond
its length, the end will come off the roller and the spring will roll up with a snap, with a chance of
pinching your hand. Also the edges of the spring are very thin and could cut. Care must also be taken
to insure no permanent kinks are put in the spring as this will reduce the springs force.
REPLACEMENT PARTS:
BOSTITCH replacement parts are recommended. Do not use modified parts or parts which will not give
equivalent performance to the original equipment.
ASSEMBLY PROCEDURE FOR SEALS:
When repairing a tool, make sure the internal parts are clean and lubricated. Use Parker "O"-LUBE or
equivalent on all "O"-rings. Coat each "O"-ring with "O"-LUBE before assembling. Use a small amount of oil
on all moving surfaces and pivots. After reassembly add a few drops of BOSTITCH Air Tool Lubricant through
the air line fitting before testing.
AIR SUPPLY-PRESSURE AND VOLUME:
Air volume is as important as air pressure. The air volume supplied to the tool may be inadequate because of
undersize fittings and hoses, or from the effects of dirt and water in the system. Restricted air flow will prevent
the tool from receiving an adequate volume of air, even though the pressure reading is high. The results will
be slow operation, misfeeds or reduced driving power. Before evaluating tool problems for these symptoms,
trace the air supply from the tool to the supply source for restrictive connectors, swivel fittings, low points
containing water and anything else that would prevent full volume flow of air to the tool.

LUBRICATION

Frequent, but not excessive, lubrication is required for best performance. Oil added through the air line
connection will lubricate the internal parts. Use BOSTITCH Air Tool Lubricant, Mobil Velocite #10, or equivalent.
Do not use detergent oil or additives as these lubricants will cause accelerated wear to the seals and bumpers
in the tool, resulting in poor tool performance and frequent tool maintenance.
If no airline lubricator is used, add oil during use into the air fitting on the tool once or twice a day. Only a few
drops of oil at a time is necessary. Too much oil will only collect inside the tool and will be noticeable in the
exhaust cycle.

TROUBLE SHOOTING

Shuttle Punches Through Board:...................Pressure too high; staple leg too short.
Staple Leg Buckles And
Flattens Against Work Surface:.........Staple leg too long, shuttle not down against work due to worn shuttle piston o-ring.
Driver Punches Through Board: .......Worn driver piston bumper.
Staple Ejects From Nose Before
Shuttle Contacts Work Surface:........Worn shuttle piston o-ring; excessive air pressure.
Staple Ejects From Rear
Opening In Shuttle ............................Worn driver piston o-ring
Air Leaking Through Exhaust Port: ...Worn upper driver piston o-ring;
Air Leakage Through Nose Piece: ....Worn lower driver piston o-ring; worn shuttle piston o-ring.
Staples Tumbling In
Staple Channel:.................................Feed springs over stressed; feed springs broken;
Worn upper shuttle piston o-ring; worn valve stem seat.
pusher binding on magazine core; dirt inside magazine; excessive air pressure.
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