Vedeneyev M-14P, Maintenance Manual

Page: 131 / 381

144
TO M-14P M.S. TASK CARD No. 402
M.S. ITEM PROCEDURE: Depreserration of Engine under Field Conditions
OPERATIONS AND TECHNICAL REQUIREMENTS CORRECTIVE ACTIONS
CH
ECKED BY
1. Place a tray for draining grease under the support with the engine.
2. Perform external depreservation of the engine and its accessories by removing grease
from their surfaces with a hair brush moistened in gasoline Nefras-S 50/170 or BR-1, BR-2.
NOTES: 1. It is recommended to depreserve the engine at an ambient temperature of at
least 10 °C.
2. In winter or in a cold room the engine should be warmed up to a temperature of 40 °C
and be kept at this temperature for at least one hour.
3. Remove the plug from the tachometer generator drive.
4. Wash the drive space with a hair brush moistened in gasoline Nefras-S 50/170 or BR-1,
BR-2 and blow with dry compressed air.
5. Install the plug on the drive.
CAUTION: 1. AVOID GETTING OF GASOLINE ON IGNITION CABLES, INSIDE THE
ENGINE, ON RUBBERIZED FABRIC HOSES OF THE ROD CASINGS, IN THE MAGNETO OR
GENERATOR.
2. BEFORE DEPRESERVING THE MAGNETO AND REMOVING THE PLUG FROM
THE AIR COMPRESSOR DELIVERY VALVE CONNECTION, IT IS PROHIBITED TO ROTATE
THE AIRSCREW SHAFT NOT TO DAMAGE MAGNETO PARTS AND TO CAUSE OPERATION
OF THE COMPRESSOR COUPLING.