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M35
41
MAINTENANCE SECTION
5.Apply a film of
The End Plate Dowel (26) will be free to move when the the Front End Plate (25) clears the Housing. Do not lose it.
4.Remove the Rear End Plate Gasket (20).
5.Slide the Front End Plate and Front Rotor Bearing (27) from the Rotor.
6.Remove the Cylinder Dowel (24), Cylinder (23) and Vanes (22) from the Rotor.
7.Using snap ring pliers, remove the Rear Rotor Bearing Retainer (17) and slide the Rear End Plate (19) and Rear Rotor Bearing (18) from the Rotor.
8.If the Front Rotor Bearing or Rear Rotor Bearing requires replacement, press it from the End Plate with an arbor press.
Disassembly of the Throttle Mechanism
1.Unscrew the Inlet Bushing (8) and remove the Exhaust Deflector (7), Throttle Valve Spring (6) and the Throttle Valve (3).
The Trigger (2) will be free to fall out of the Housing when the Throttle Valve is removed. Do not lose it.
2.If the Throttle Valve Seat (5) requires replacement, insert a hooked tool through the center of the Valve Seat. Catching the backside of the Seat with the hook, pull the Seat from the Housing.
3.Remove the two Housing Plate Screws (11) and the Housing Plate (9) if the Housing Plate Gasket (10) needs to be replaced.
ASSEMBLY
General Instructions
1.Always press on the inner ring of a
2.Always press on the outer ring of a
3.Whenever grasping a tool or part in a vise, always use
4.Always clean every part and wipe every part with a thin film of oil before installation.
**Registered trademark of ND Industries.
Assembly of the Throttle Mechanism
1.If the Housing Plate (9) was removed, position the Housing Plate Gasket (10) and Housing Plate, convex side first, against the Motor Housing (1). Apply
2.If the Throttle Valve Seat (5) was removed, drop the Seat into the air inlet chamber in the handle. Install a new Throttle Valve Seat by pushing it into position against the shoulder in the air inlet chamber with a 5/8” (16 mm) dowel.
3.Wipe the stem of the Trigger Assembly (2) with some light grease and insert the stem into the trigger bushing.
4.Installation of the Throttle Valve (3) is sometimes a bit tricky due to the smallness of the Valve and the depth of the bore in which it is located. The difficult part is in holding the Valve while inserting the long end of the valve stem through the hole in the trigger stem. Although the Valve can be held with a
5.Install the Throttle Valve Spring (6), small end first.
6.Position the Exhaust Deflector (7) in the recess at the bottom of the handle and install the Inlet Bushing (8). Tighten the Bushing to 40 to 45
Assembly of the Reverse Valve
1.After applying
2.Dampen the Reverse Valve (13) with IRAX No. 50 Oil. With the tool in an upright position, and while facing the back end of the tool, insert the Reverse Valve from left to right into the reverse valve bushing.
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