"3072RT / 3772RT / 3772RT HD" Service & Parts Manual - ANSI Specifications
March 2008
Page 2-9
Tilt
S
en
s
or
Control
Mod
u
le
Power
Mod
u
le
Upper
Control
s
O
u
trigger
Rel
a
y (option)
O
u
trigger Mod
u
le (option)
Throttle Rel
a
y
Throttle
S
olenoid
Glow Pl
u
g Rel
a
y (Die
s
el only)
Tor
qu
e/
S
peed Rel
a
y
Power Rel
a
y
M
as
ter
Di
s
connect
S
witch
Relays
There are relays located inside the
control module and inside the Upper
Controls. (Refer to the Section 5 for relay
functions and interconnect).
Upper Control Power Relay
Purpose: Cuts power to Upper Controls
when Lower Controls are selected.
Torque/Speed Relay
Purpose: Disperses power to Torque
Solenoid Valve when high speed or low
speed is selected.
Outrigger Relay (option)
Purpose: Cuts power to Lift circuits until
Outriggers are fully deployed and in firm
contact with the ground.
Throttle Relay
Purpose: The electric throttle solenoid
receives its power through the Throttle
Relay.
Glow Plug Relay
Purpose: The diesel engine glow plug
receives its power through the Glow Plug
Relay.
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