MAC TOOLS AW7500 Instrucciones página 33

To prevent damage to the Cylinder, do not tap or
strike Cylinder on a hard or metallic surface when
removing the Rotor Bearings (3) and (4).
To remove the Front Rotor Bearing, hold the Front
End Plate with Front Rotor Bearing down and tap the
Front End Plate on a flat, nonmetallic surface such as
a work bench. This will loosen the Front Rotor
Bearing so that it will drop out of the Front End Plate.
See Dwg. TPD1323.
BENCH WITH NONMETALLIC SURFACE
4. Remove the Rear Rotor Bearing Retainer (7) from the
rear of the Rotor (6). The Rotor can now be removed
from the Cylinder. Remove the Vanes (5) from the
Rotor if they need to be replaced.
BENCH WITH NONMETALLIC SURFACE
5. To remove the Rear Rotor Bearing, hold the Cylinder
with the Rear Rotor Bearing down and tap the
Cylinder on a flat, nonmetallic surface such as a work
bench. This will loosen the Rear Rotor Bearing so that
it will drop out of the Cylinder. See Dwg. TPD1324.
6. Working from the rear of the Housing, push out the
Motor Gasket (8).
When removing the Motor Gasket, do not use a
screwdriver or any other sharp object which could
damage the Gasket and/or Housing.
Disassembly of the Throttle Mechanism
For ease of disassembly, we recommend using the Inlet
Clip Removal Tool (43). See Dwg. TPD1817.
MAINTENANCE SECTION
Front End Plate
Front Rotor Bearing
(Dwg. TPD1323)
Cylinder
Rear Rotor Bearing
(Dwg. TPD1324)
Trigger
Inlet Clip
Removal Tool
1. Secure the Inlet Bushing in a vise. Press in both tabs
of the Inlet Retainer Clip (25) and pull upward on the
Housing (20). This will allow the Inlet Bushing to
come free from the Handle of the Housing.
See Dwg. TPD1326.
2. Pull the Trigger (33) from the front of the Housing
and remove the Trigger O–ring (34).
3. With the Inlet Bushing still in the vise, remove the
Tilt Valve Seat Retainer (32) and Tilt Valve Seat
Support (31). Use a hooked tool with no sharp edges
to remove the Tilt Valve Seat (30) from the Inlet
Bushing. See Dwg. TPD1327.
Tilt Valve Stem
4. Remove the Tilt Valve (29) and Tilt Valve Spring (28)
if damaged.
5. Remove the Inlet Bushing Seal (27) and Inlet Retainer
Clip (25) if damaged.
Do not remove the Inlet Bushing Screen (24) from
the Inlet Bushing unless it is damaged. Clean the
Inlet Bushing Screen by using a suitable cleaning
solution in a well ventilated area.
33
Left–hand
Button
Inlet Bushing
Assembly
(Dwg. TPD1817)
Slot for Tab
(both sides)
Tab on Inlet
Retainer Clip
(both sides)
(Dwg. TPD1326)
Hooked Tool
(Dwg. TPD1327)