| Tweet |
Custom Search
|
|
|
||
 TM 55-1905-219-14-6
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:................................ ...............
1.1
3.8
5.0
At maximum full-load exhaust back pressure ..........................
2.3
6.4
8.2
Air inlet 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
Crankcase 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 - new engine at 600 rpm................................ ............
565
Minimum at 600 rpm ................................ ...............................
515
3-2368
|
||
|
||
