Ingersoll-Rand 2904P1, Instructions Manual

Page: 11 / 19

11
MAINTENANCE SECTION
Disassembly of the Throttle Mechanism
For ease of disassembly, we recommend using the Inlet
Clip Removal Tool (34). Refer to Dwg. TPD1681.
(Dwg. TPD1681)
LEFT–HAND BUTTON
INLET BUSHING
ASSEMBLY
INLET CLIP
REMOVAL TOOL
TRIGGER
1. Secure the Inlet Bushing in a vise. Press in both tabs
of the Inlet Retainer Clip (23) and pull upward on the
Housing (17). This will allow the Inlet Bushing to
come free from the Handle of the Housing.
Refer to Dwg. TPD1326.
2. Pull the Trigger (24) from the front of the Housing
and remove the Trigger O–ring (25).
SLOT FOR TAB
(BOTH SIDES)
TAB ON INLET
RETAINER CLIP
(BOTH SIDES)
(Dwg. TPD1326)
3. With the Inlet Bushing still in the vise, remove the
Tilt Valve Seat Retainer (25G) and Tilt Valve Seat
Support (25F). Use a hooked tool with no sharp edges
to remove the Tilt Valve Seat (25E) from the Inlet
Bushing. Refer to Dwg. TPD1327.
TILT VALVE STEM
HOOKED TOOL
(Dwg. TPD1327)
4. Remove the Tilt Valve (25D) and Tilt Valve Spring
(25C) if damaged.
5. Remove the Inlet Bushing Seal (25B) and Inlet
Retainer Clip (23) if damaged. Remove Washer
(25A).
Do not remove the Inlet Bushing Screen (21) from
the Inlet Bushing unless it is damaged. Clean the
Inlet Bushing Screen by using a suitable cleaning
solution in a well ventilated area.
Disassembly of the Reverse Valve Mechanism
The Reverse Valve Assembly cannot be removed
without first removing the Forward and
Reverse Buttons (30) and (31). Therefore, it is
important that the procedure below be followed
exactly.
1. Notice the notches on either side of the partition.
These notches indicate the correct location for
insertion of a thin–bladed screwdriver used for
removing the Forward and Reverse Buttons. Insert the
screwdriver between the partition and the Button
which is fully extended. Gently pry against the
Button to disengage the detent so that the Button can
be removed. After the Button is removed, reach inside
the Housing and rotate the Reverse Valve to extend
the remaining Button. Repeat the above procedure for
the remaining Button. Refer to Dwg. TPD1328.