Piper Arrow IV Turbo Maintenance Manual page 617

8. Minor irregularities or roughness of point surfaces are not harmful (refer to Figure 74-3, center),
neither are small pits or mounds, if not too pronounced. If there is a possibility of pit becoming deep enough to
penetrate pad, Figure 74-3, right, reject contact assembly.
No attempt should be made to stone or dress contact points.
Should contact assembly have bad points or show excessive wear,
the complete contact assembly should be replaced.
9. Check the condition of the cam follower felt. Squeeze felt tightly between thumb and forefinger. If
fingers are not moistened with oil, re-oil using 2 or 3 drops of Bendix 10-86527 lubricant. Allow
approximately 30 minutes for felt to absorb the oil. Blot off the excess with a clean cloth. Too much oil may
foul contact points and cause excessive burning.
10. Inspect the felt washer in the distributor block for oil content. If the felt is dry, inspect the bronze
bushing for wear. (Refer to manufacturer's overhaul instruction.) Oil felt washer with Bendix Distributor
Block Lubricant Part No. 10-391200. Blot excess oil from washer until flat surfaces take on a "frosted"
appearance and seat washer in its recess in block.
11. Check the capacitor mounting bracket for cracks or looseness. Using the Bendix 11-1767-1,-2 or- 3
Condenser Tester or equivalent, check capacitor for capacitance, series resistance and leakage. Capacitance
shall be at least 0.30 microfarads. Series resistance should not be over 1 ohm at 500 kc.
Effectivity
PA-28RT-201T
PIPER AIRCRAFT
PA-28RT-201 / 201T
MAINTENANCE MANUAL
Figure 74-2. Contact Spring Inspection
—NOTE—
3D13
74-11-01
Page 74-04
December 1, 1978