Maintenance Section - Ingersoll Rand IRGOPIC DB 10 Serie Manual De Uso Y Mantenimiento

Always wear eye protection when operating or
performing maintenance on this tool.
Always turn off the air supply and disconnect the air
supply hose before installing, removing or adjusting
any accessory on this tool or before performing any
maintenance on this tool.
LUBRICATION
Each time a DB/DT 10 IRGOPIC is disassembled for
maintenance and repair or replacement of parts, pour
about 3 cc of Ingersoll–Rand No. 10 Oil in the air inlet
and operate the tool for 5 seconds to coat the internal parts
with oil.
After each two or three hours of operation and at the
beginning of each shift, flush the tool and lubricate
immediately afterwards as instructed in Placing the Tool
in Service.
DISASSEMBLY
General Instructions
1. Do not disassemble the tool any further than
necessary to replace or repair damaged parts
2. Whenever grasping tool or part in a vise, always use
leather–covered or copper–covered vise jaws to
protect the surface of the part and help prevent
distortion. This is particularly true of threaded
members and housings.
3. Do not remove any part which is a press fit in or on a
subassembly unless the removal of that part is
necessary for repairs or replacement.
4. Do not disassemble the tool unless you have a
complete set of new gaskets and O–rings for
replacement.
Disassembly of the Retainer
For Screw–on Retainer
1. Remove the Chisel, unscrew the Retainer (45).
For Latch Retainer
1. Remove the Retaining Spring (if fitted) and extract
the Stop Pin.
On later models, the Pin is filled and retained in
place with a plug of silicone sealer. This plug
should be removed with a pointed object and the
pin extracted.
2. Unscrew the Fronthead (46) from the Barrel (33). If
the Fronthead does not need to be disassembled for
service or repair, set it aside intact. If it does need to
be disassembled, refer to Disassembly of the
Fronthead.

MAINTENANCE SECTION

1.
Disassembly of the Fronthead
1.
2.
Disassembly of the Tool
1.
2.
3.
4.
5.
6.
Disassembly of the Inside Trigger Assembly
1.
2.
24
For Hitch Cutter Retainer
Unscrew the Retainer (67) from the Barrel (33)
complete with Guard.
Remove the Latch slowly and carefully as the
Plunger (51) could be ejected out of the Fronthead
by the force of the Spring (50).
Position the Latch until it is 3/4 of a turn from the
closed position. Use a suitable drift and tap the Latch
slowly and carefully until it is removed.
Remove the Plunger (51) and Spring from the
Fronthead.
Using a 6 mm hex wrench, remove the four Handle
Cap Screws (10) from the rear of the Handle and
remove the Handle Assembly.
Remove the Air Feed Bushing (22) and O–Ring (21).
The three Anti–Rotation Pins (15A) are a slip fit.
They may he removed or left in the Isolator
Assembly.
Using a 6mm hex wrench, unscrew the four Isolator
Cap Screws (l4) and Lock Washers (l1).
To remove the Barrel Assembly and Isolator
Assembly, secure the protruding portion of the Male
Isolator (15) in leather–covered or copper–covered
vise jaws with the Barrel (33) facing upward. Pull
upward on the Cover (39) until it separates and lifts
off from the Isolator Assembly and Barrel Assembly.
Grip the Barrel (3l) in leather–covered or
copper–covered vise jaws taking care not to
over–tighten and distort the Barrel. Using an 8mm
hex wrench, unscrew the three Cap Screws (27) which
secure the Isolator Assembly to the Barrel. Remove
the Isolator Assembly.
Remove the Barrel from the vise keeping it in an
upward position. Place the Barrel Assembly flat on a
work bench. Using a suitable soft drift inserted from
the Nozzle end of the tool, gently tap the Piston (32)
to the top of the Barrel. Continue to tap the drift
gently until the Valve parts are ejected from the
Barrel. Remove the Piston.
Grip the body of the Handle in leather–covered or
copper–covered vise jaws and unscrew the Inlet
Bushing (9).
Remove the Handle from the vise and gently tap the
protruding steel portion of the Handle on the
workbench. This will allow the Throttle Valve
Plunger (4), Throttle Valve (6) with Throttle Valve
O–ring (5) and Throttle Valve Spring (7) to slide from
the bore of the Handle.