ARO RG1AA, Руководство оператора

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19
MAINTENANCE SECTION
9. To tighten the Gear Case on the Housing, proceed as
follows:
a) Install a standard 1--1/16” open end wrench on the
flats of the Gear Case.
b) Grasp the handle portion of the Motor Housing
and rotate the Housing clockwise to tighten it
on the Gear Case.
c) Tighten the joint between 15 and 20 ft--lbs.
(20.3 and 27.1 Nm) torque.
10. Remove the tool from the vise jaws and thread the
Chuck (35) onto the Spindle (29).
11. Check the free speed of the tool using a tachometer and
follow the instructions in the SPEED ADJUSTMENT
section of this manual.
TROUBLESHOOTING GUIDE
Trouble Probable Cause Solution
Loss of Power Low air pressure Check air supply. For top performance, the air
pressure must be 90 psig (6.2 bar/620 kPa) at the
inlet.
Plugged Inlet Bushing Screen Clean the Inlet Bushing Screen using a clean,
suitable cleaning solution. If the Screen cannot be
cleaned, replace it.
Worn or broken Vanes Replace a complete set of Vanes.
Worn or broken Cylinder Replace the Cylinder if it is cracked or if the bore
appears wavy or scored.
Exhaust control restricted Make certain the exhaust control plate in the
Housing is in the fully open position.
Motor won’t run Motor Clamp Washer binding Remove the Gear Case make certain the Washer is
flat and the Motor Seal is properly positioned.
Gears binding Clean and inspect all gearing. Replace any worn or
damaged gearing.
Leaky Throttle Valve Worn Throttle Valve and/or
Throttle Valve Seat
Install a new Inlet Parts Kit (Part No.
TRD--K303).
Dirt accumulation on Throttle
Valve and/or Throttle Valve Seat
Remove the throttle unit from the Housing and
disassemble, clean and reassemble the unit as
instructed in the maintenance instructions.
Never flush the throttle unit with a cleaning
solution while it is in the Housing. Internal
components will be damaged.
Gear Case gets hot Excessive grease Clean and inspect Gear Case and gearing parts and
lubricate as instructed.
Worn or damaged parts Clean and inspect the gear Case and Gearing.
Replace worn or broken components.
SAVE THESE INSTRUCTIONS. DO NOT DESTROY.