Vedeneyev M-14P, Maintenance Manual

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TO M-14P MS
T A S K C A R D No. 204
pAGEfsi 209, 210
MS ITEM
PROCEDURE
: Adjustment of Compressed Air Distributor
OPERATIONS AND TECHNICAL REQUIREMENTS CORRECTIVE ACTIONS CHECKED
BY
1. Secure the arrow under the airscrew shaft thrust bearing cover attachment nut and
bring it to the scale applied to the flange of the airscrew shaft.
2. Drive out one spark plug from each cylinder (Ref. 074.20.02, Task Card No. 201).
3. Drive in the TDC indicator into the plug hole of cylinder Mo. 4.
4. Set the piston of cylinder No. 4 to TDC in compression stroke againat the TDC
indicator.
5. Set the piston of cylinder No. 4 to a position of 12° after the TDC in expansion stroke
and then. turn the airscrew shaft in its normal direction through 8° after the TDC.
NOTE: Allan the arrow with the scale zero division beforehand.
6. 3et the slide valve in the distributor cover so that the slide valve port closer to the center
opens the hole for supply of compressed air to cylinder No. 4 for up to 1 mm (down the direction of
slide valve rotation).
7. Assemble the cover.
8. Align the splines of the adjustment coupling with those of "the drive shaft repositioning
the adjustment coupling in the thrust bearing splines,
CAUTION: WHEN ALIGHIK& THE SPLINES OF THE ADJUSTMENT COUPLING AND
DRIVE SHAFT, DO NOT OFFSET THE SLIDE VALVE.