TB 11-6115-741-24
required, and to perform the maintenance required in this section.
3.1.1 Generator sets that pass the functional inspection in paragraph 1.10 shall have oil pressure and
cylinder compression or crankcase vacuum testing performed IAW the applicable TM using the
acceptance criteria in Table 4. Removal of top housing sheet metal may/will be required to perform
cylinder compression testing. Prior to performing the cylinder compression or crankcase vacuum test,
adjust the valves IAW the applicable TM.
On the 3 KW Mil Std Onan Engine, the fuel injector copper washer, Part Number 3920174, can
be obtained from your local Cummins Power Systems distributor. This washer is not in the Tier 1
Mandatory Part Replacement Kit.
TABLE 4. Oil Pressure, Cylinder Compression, Crankcase Vacuum Criteria.
Size
Oil
Cylinder
Cylinder
Crankcase
Pressure
Compression
Compression
Vacuum
and Type
Model Number
(Min. at
(Min. psi)
(Max. psi
(Min.
rated
Diff.)
Inches
speed)
WG)
2 kW MTG
MEP-501A/531A
15
284
N/A
N/A
15
284
N/A
N/A
3 kW TQG
MEP-831A/832A
18
N/A
N/A
0.4 in.
5 kW TQG
MEP-802A
18
N/A
N/A
. 0.79 in.
5 kW TQG
MEP-812A
18
N/A
N/A
. 0.4 in.
10 kW TQG
MEP-803
18
N/A
N/A
. 0.79 in.
10 kW TQG
MEP-813A
40
327
N/A
15 kW TQG
MEP-804/814A
MEP-
40
350
50
N/A
30 kW TQG
805/815A/805B/815B
MEP-
40
350
50
N/A
60 kW TQG
806A/816A/806B/816B
MEP-016D/E Yanmar
15
284
N/A
N/A
3 kW Mil Std
L70/L100
20
325
15%
N/A
5 kW Mil Std
MEP-002A
10 kW Mil
20
325
15%
N/A
MEP-003A
Std
15 kW Mil
30
325
20%
N/A
MEP-004A
Std
30 kW Mil
30
325
20%
N/A
MEP-005A
Std
60 kW Mil
20
400
50
N/A
MEP-006A
Std
100 kW Mil
15
N/A
MEP-007B
Std
6
392
N/A
N/A
5 kW APU
MEP-952
14
327
10%
N/A
10 kW APU
MEP-903A/903B/903C
3-2
