Vedeneyev M-14P, Maintenance Manual

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Operating ratings of the M-14P engine are given in the Table, the throttle characteristic is shown in Fig. 3, external
and altitude characteristics, in Figs 4 and 5, while the timing diagram is represented in Fig. 6.
Rating
Reduced power near
ground
Crankshaft speed of
rotation, r/min
Specific fuel
consumption, g/hp•h
Blower outlet
pressure, mm Hg
Take-off
Nominal I
Nominal II
Cruise I
Cruise II
Idle 360 hp
-2%
290 hp
-2%
240 hp
-2%
0.75 of measured power at
nominal rating II
0.6 of measured power at
nominal rating II
-
2900±1 (99%)
2400±1(82%)
2050±1(70%)
1860 ±1(64%)
1730 ±1(59%)
Up to 760 (26%) 285-315
280-310
265-300
210 to 230
215 to 235
- 125
-15
(surplus)
95
-15
(surplus)
75
-15
(surplus)
735±15 (absolute)
670±15 (absolute)
-
NOTES: 1. Engine power and fuel specific consumption rates for all the ratings shall be ensured at non-
loaded generator and compressor.
2. Upper power limit and blowpr outlet supercharged pressure at take-off, nominal I and nominal II ratings
are not limited.
3. Given in brackets are nominal values of the crankshaft speed of rotation in percent against the unified
tachometer (99.4 % corresponds to 2900 r/min of the crankshaft).
1.3. CONSTRUCTION
For engine construction (its longitudinal section) refer to Fig. 7.
2 OPERATION
2.1. GENERAL
The engine should be operated by skilled personnel after special training in aviation equipment
maintenance.
rrior to operating the engine, check complezenesa of the technical publications and get familiar with the
documents.
All operations performed on the engine and its accessories in service shall be written in the engine Log
Book and in accessory Certificates.