| Tweet |
Custom Search
|
|
|
||
 TM 55-1905-220-14-6
ENGINE OPERATING CONDITIONS
N ENGINES (English)
1200 rpm
1800 rpm
2100 rpm
LUBRICATING SYSTEM
Lubricating oil pressure (psi):
Normal ................................ ................................ ......
35-55
50-70
50-70
Minimum for safe operation ................................ .......
25
28
30
* Lubricating oil temperature (degrees F.):
Normal ................................ ................................ ......
200-235
200-235
200-235
AIR SYSTEM
Air box pressure (inches mercury)-min. At full load:
At zero exhaust back pressure:................................ ..
3.8
5.0
At maximum full-load exhaust back pressure:............
2.3
6.4
8.2
Air in let restriction (inches water)-full-load speed
max.:
Dirty air cleaner ................................ .........................
12.4
25.0
25.0
Clean air cleaner ................................ .......................
5.2
9.1
11.5
Crank case pressure (inches water)-maximum:...............
1.0
2.2
3.0
Exhaust back pressure (inches mercury)-
maximum:
Full load ................................ ................................ ....
1.5
3.3
4.4
No load................................ ................................ ......
1.0
2.1
3.0
FUEL SYSTEM
Fuel pressure at inlet manifold( psi):
Normal(.080"orifice)................................ ...................
45-70
45-70
45-70
Minimum ................................ ................................ ...
30
30
30
Fuel spill (gpm)-minimum at no load ...............................
0.8
0.9
0.9
Fuel pump suction at pump inlet (inches mercury)-
max.:
Clean system................................ .............................
6.0
6.0
6.0
Dirty system................................ ...............................
12.0
12.0
12.0
COOLING SYSTEM
Coolant temperature (degrees F.)-normal.......................
160-185
160-185
160-185
COMPRESSION
Compression pressure (psi)
Average-newengineat600rpm................................ ....
565
Minimumat600rpm ................................ .....................
515
* The lubricating oil temperature range is based on the temperature measurement in the oil pan at the oil pump
inlet.
The oil temperature at the cylinder block oil gallery will be approximately 10lower.
3-2337
|
||
|
||
