TM 10-4320-315-24
2-27. MAINTENANCE OF GOVERNOR CONTROL MODULE
This task covers:
a.
Remove
b.
Install
c.
Adjust
INITIAL SETUP:
Tools
Equipment Conditions
General Mechanics Tool Kit
Pumping assembly is shutdown (refer to TM 10-4320-
(Item 1, Appendix B)
315-10).
Battery assembly is disconnected (para. 2-16).
References
TM 10-4320-315-10
a.
REMOVE. (Figure 2-14)
(1)
Open control panel door (1).
(2)
Remove screw (2), washer (3), and support clip (4) holding wiring harness.
(3)
Disconnect electrical connector, P6.
(4)
Remove screws (5) and governor control module (4).
b.
INSTALL.
(1)
Install governor control module (6) on back wall of control panel (7). Secure with screws (5).
(2)
Connect electrical connector, P6.
(3)
Secure wiring harness with support clip (4), washer (3), and screw (2).
c.
ADJUST. If governor control module has been replaced or original module is suspected of being out of
adjustment, start the engine and adjust as follows:
(1)
Remove cover (8) by removing nuts (9), washers (10), screws (11), washers (12), and support clip (13).
(2)
Set the I adjustment at one division and the GAIN adjustment at the third division from zero.
(3)
Set the DROOP adjustment to the minimum setting.
(4)
Set AUTO THROTTLE rheostat on control panel to mid-range and select SPEED on PRESSURE/SPEED
selector.
(5)
Prepare engine for operation. Refer to TM 10-4320-315-10.
(6)
Start engine and adjust SPEED potentiometer on control panel until engine is operating at approximately
1575 rpm.
2-44