Table
1.
Load Handling System (LHS) Cab Controls and Indicators - Continued
Key
Control/Indicator
Function
17
Hourmeter (Analog
only)
Records number of hours hydraulic unit is in operation.
17
Electronic Control
Module (Digital only)
Receives electronic signals from cab controls to operate solenoids.
18
Main Frame
Solenoid
Raises main frame during emergency operations when electric power is lost.
19
Hook Arm Solenoid
Raises hook arm during emergency operations when electric power is lost.
20
Winch Solenoid
Pays out winch cable during emergency operations when electric power is lost.
21
Main Relief
Is main hydraulic relief valve.
ANALOG
DIGITAL
22
22
23
24
Figure 5.
Free-Flow Valve.
TM 5-3990-263-13&P
0004
0004-5