General MDF15, Operator'S Manual

Page: 26 / 42

TOOL ACCIDENTLY OPERATES WITHOUT
DEPRESSING THE THROTTLE VALVE
Worn throttle control valve. Replace valve.
TOOL PRODUCES REDUCED BLOW ENERGY PER
STROKE
Worn distribution valve. Replace distribution valve.
Insufficient pressure from compressed air source.
Increase air pressure within the recommended
operating range until satisfactory productivity rates are
obtained.
Worn piston. Replace piston.
TOOL OPERATES WITH IRREGULAR FUNCTION
Check all air hose connections. Replace and/or repair
any affected connection.
ICE FORMATION AROUND EXHAUST PORT
Excessive condensation around the exhaust port.
Install filter system to reduce the moisture content of
the compressed air.
Add antifreeze solution to oiler system being utilized.
Repair
Inspect the Long Reach Air Tool on a regular basis for
loose, worn or damaged parts. Replace any
questionable part or assembly with a factory approved
replacement part only. Do not attempt any
maintenance or repair work not described in the
Operator Manual. Have such work performed at your
dealer's servicing shop.
With extended use, various internal components can
become worn or require periodic maintenance due to
the accumulation of lubrication oil residue, the
admission of foreign dust contamination or simple wear
to the point where individual replacement is necessary.
Disassembly of the Long Reach Air Tool is required for
cleaning purposes and the replacement of specified
components.
Repair related functions for the Long Reach Air Tool
will require a level working platform of sufficient size
and appropriate height.
DISASSEMBLY OF THE CYLINDER ASSEMBLY
FOR GENERAL MAINTENANCE AND/OR REPAIR
PURPOSES.
Application: All models.
Tools Required:
1 each, 1-5/8 inch (42 mm) wrench (MDF15).
1 each, 1-13/16 inch (46 mm) wrench (MDF35).
Parts Required:
1 each, MDF15-0140 or MDF35-0090 distribution
valve (if required).
1 each, MDF15-0130 or MDF35-0130 distribution
gauge (if required).
1 each, MDF15-0120 or MDF35-0120 disc (if required).
2 each, MDF15-0240 roll pin (if required).
1 each, MDF15-0090 or MDF35-0080 piston (if
required).
1) Disconnect the Long Reach Air Tool from the
compressed air source and the Air Caddy (if so
equipped).
2) Remove the accessory tool (if so equipped).
3) Clean the Long Reach Air Tool with an appropriate
solvent.
OBSERVE ALL APPLICABLE SAFETY
PRECAUTIONS FOR THE SOLVENT.
4) Remove the tool retainer assembly PN MDF15-0010
or MDF35-0010 from the cylinder assembly.
5) Unscrew the friction head plug, PN MDF35-0030,
from the cylinder assembly (MDF35 only).
6) Position the Long Reach Air Tool in a suitable vice
with the vice jaws in contact with the flat surfaces of the
cylinder, FIGURE 24.
MDF SERIES LONG REACH AIR TOOLS FORM GOM6019801, VERSION 1.0, AUTHORIZATION: DVR, PAGE: 24