TM 5-3825-270-23&P
0042
ENGINE SPEED
SET SWITCH
BACK OF
CONTROL PANEL
RED JUMPER
WIRE
BLACK/WHITE
WIRE
Figure 5. Engine Speed Set Switch - Step 3.
3.
Connect black multimeter probe to red jumper wire at engine speed RPM switch.
BACK OF
RED/GREEN
CONTROL
WIRE
PANEL
RED JUMPER
WIRE
ENGINE
SPEED
RPM SWITCH
RED/WHITE
WIRE
Figure 6. Engine Speed RPM Switch - Step 3.
4.
Note multimeter reading.
CONDITION/INDICATION
Are less than 200 ohms measured on red jumper wire between engine speed SET switch and engine speed
RPM switch?
DECISION
No - Repair or replace red jumper wire between engine speed SET switch and engine speed RPM switch.
(WP 0099) Verify problem is solved. (Step 5 - Does engine speed SET switch operate normally?)
Yes - Replace governor controller. (WP 0092) Verify problem is solved. (Step 5 - Does engine speed SET switch
operate normally?)
STEP 4
Are less than 200 ohms measured from black/white wire on engine speed SET switch to interconnect
terminal strip, terminal 1?
1.
Ensure multimeter is set to measure continuity.
2.
Connect red multimeter probe to black/white wire on engine speed SET switch.