Aimco UAN-611R, Руководство по ремонту, Страница: 6 / 15

January 2004
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Public Server/Manuals/UAN Pneumatic Nutrunner
Disassembly and Reassembly of Clutch UAN-830 & 950
Disassembly:
1. Remove the gear casing from the clutch casing (right hand).
2. Locate the lock pin on the side and in the threaded portion of the clutch casing.
3. Push down on the adjusting shaft and remove the lock pin.
4. Remove the adjusting shaft, spring, cam shaft, adjusting ring, and cam setter from the clutch casing.
Inspection:
1. Inspect the cam shaft lobes for pitting and grooving.
2. Inspect the cam roller for pitting and grooving.
3. Inspect the cam roller pins for wear.
4. Replace all worn parts.
Reassembly:
1. If you replaced the cam rollers and/or cam roller pins, be sure to peen the cam setter bushing to the cam
roller pins.
2. Install the cam setter (put grease on the cam rollers), adjusting ring, cam shaft, and spring into the clutch
casing.
3. Thread the adjusting shaft nut onto the adjusting shaft. Now, align the cut outs on the adjusting shaft nut
with the tabs on the adjusting ring and align the hole on the adjusting shaft with the hole in the clutch casing
and push the adjusting shaft down into the clutch casing and install the lock pin.
4. Install the gear casing onto the clutch casing. Note: Use a good service removable thread locker on
threaded parts.