TM 10-3930-675-10
0004 00-2
DESCRIPTION AND USE OF OPERATOR’S CONTROLS
AND INDICATORS - CONTINUED
0004 00
INSTRUMENT PANEL - CONTINUED
KEY
CONTROL OR INDICATOR
FUNCTION
11
Ether Injector Switch
Spring-loaded rocker switch is used to inject a metered amount of ether
while engine cranking during cold weather starting.
12
Auxiliary Pump Switch
Spring-loaded rocker switch is used in the event of an engine failure
or shut down, to lower the boom, unlock twistlocks, and raise/retract
the boom. The auxiliary pump is also utilized to reposition the
operator’s cab for transport.
13
Alternator Charging Lamp
Red light comes ON when alternator fails to operate properly.
14
Parking Brake Indicator Light
Red light comes ON when parking brake is set.
15
Tophandler Work Light
Switch
ON/OFF rocker switch controls tophandler work lights.
16
Boom Work Light Switch
ON/OFF rocker switch controls boom work lights.
17
Arctic Heater Switch (if
equipped)
ON/OFF rocker switch operates arctic heater, if equipped.
18
Air Conditioner Temperature
Control Switch
Switch rotates to control air conditioner output within the cab. Rotate
switch clockwise to decrease temperature.
19
Heater and Defroster Selection
Switch
Three-position switch selects air flow direction to windshield, operator
or both.
20
Fan Switch
Switch rotates to control heater/air conditioner fan speed. Rotate
switch clockwise to increase fan speed.
21
Heater Temperature Control
Switch
Switch rotates to control heater output within the cab. Rotate switch
clockwise to increase temperature.
21
19
18
1716
15
14
13
1112
20
