Generator Set Adjustment; Generator Adjustment; Generator Control Adjustments; Basic Engine Adjustments - Hobart 90 C 20 Operation And Maintenance Manual

OM-2031

3. Generator Set Adjustment

A. Generator Adjustment
The 400-Hz generator is a brushless type requiring no adjustments of any kind.
B. Generator Control Adjustments
The following items may require adjustment at some time during the life of the equipment.
(1) Adjust manual voltage control, variable resistor.
See TM-759 or OM-2020 for your particular Regulator.
(2) Adjust 400-Hz voltage regulator.
See TM-759 or OM-2020 for your particular Regulator.
C. Basic Engine Adjustments
Adjustment procedures applicable to the diesel engine are included in the John Deere Diesel Handbook
which accompanies this Hobart manual. Specific information for this particular engine is listed in Figure 6.
D. Engine Accessories Adjustment
(1) Generator and fan belt adjustment Refer to 2-1; Para. 8 for fan belt adjustment instructions.
NOTE: Replace fan belts as a matched set.
Manufacturer
Model
Type
Displacement
Compression ratio
Firing order 1-5-3-6-2-4
Number of main bearings
Horsepower at 2000 RPM
Governed speed
Idle Speed
Electrical System
Oil capacity
Coolant capacity (approx.)
Fuel
Lube oil
2-3
Page 10
Cummins
6BTA5.9
Turbocharged, In-line, 6-cylinder,
4-cycle Diesel
359 cu. in. (5.88 liters)
16.5 : 1
7
167
2000 RPM
+
850 25 RPM
12 volt
17.3 QUARTS (16.4 LITERS)
15.3 QUARTS (14.5 LITERS)
Diesel oil conforming to ASTM
Specification D.975-66T,
Nos. 1-D and 2-D
MIL-L-2014C or MIL-L-2014D
Engine Specifications
Figure 3
+
4.5%
August 5/89 Revised