Section 6 • Schematics
November 2014
6 - 4
GS-2669 RT • GS-3369 RT • GS-4069 RT
Part No. 229753
Electrical Schematic Abbreviations, Wire Color
and Hydraulic Component Legends,
continued
Item
Description
Y
Valve coil
Y2 = Brake release
Y3 = Steer right / CW
Y4 = Steer left / CCW
Y5 = Drive reverse
Y6 = Drive forward
Y7 = Platform down
Y7A = Platform down (GS-4069 models)
Y8 = Platform up
Y9 = Proportional flow control
Y10 = Auxiliary platform down
Y10A = Auxiliary platform down (GS-4069 models)
Y27 = 2 speed (high / low torque)
Y29 = Generator (option)
Y33 = Left rear outrigger (option)
Y34 = Right rear outrigger (option)
Y35 = Left front outrigger (option)
Y36 = Right front outrigger (option)
Y39 = Outrigger extend (option)
Y40 = Outrigger retract (option)
Y93 = Oscillate left
Y94 = Oscillate right
Y95 = Oscillate float
Y96 = Front motors isolate
Y97 = Front motors free wheel
Y98 = High speed bypass
ELECTRICAL SCHEMATIC LEGEND
WIRE COLOR
LEGEND
Item
Description
BL
Blue
BK
Black
BR
Brown
GR
Green
OR
Orange
PP
Purple
RD
Red
WH
White
YL
Yellow
BL/RD
Blue/Red
BL/WH
Blue/White
BK/RD
Black/Red
OR/WH
Orange/White
RD/BK
Red/Black
RD/WH
Red/White
WH/BL
White Blue
WH/BK
White/Black
WH/RD
White/Red
WH/YL
White/Yellow
YL/BK
Yellow/Black
Item
Function
BA
3 position, 4 way directional valve - outrigger cylinders
extend/retract
DA
Proportional valve - controls flow to the generator
(option)
DB
Relief valve - reduces high pressure in the generator
(option)
FA
Flow regulator valve - controls flow to oscillate circuit
FB
2 position, 2 way valve- oscillate float
FC
Relief valve - oscillate circuit
FD
2 position, 3 way directional valve - platform up/down
FE
Relief valve - Platform up circuit
FF
Relief valve - Main system
FG
Differential sensing valve - meters flow to functions
FH
Check valve - differential sensing circuit
FI
Flow regulator valve - controls flow to the steer circuit
FJ
Check valve - steer circuit
FK
3 position, 5 way directional valve - steer right/left
FL
Proportional valve - controls function speeds
FM
Flow regulator valve - controls flow to lift and outriggers
FN
Pressure compensating valve - proportional valve
circuit
FO
2 position, 3 way valve - oscillate right
FP
2 position, 3 way valve - oscillate left
FQ
Sequence valve - oscillate float valve circuit
TA
2 position, 3 way valve - brake release
TB
2 position, 4 way valve - blocks flow to the steer motors
in high drive
TC
Bidirectional relief valve - drive circuit
TD
Needle valve - enables towing ability
TE
3 position, 4 way valve - drive forward/reverse
TF
Orifice - equalizes drive pressure at non-steer end
TG
Combiner/Divider valve - controls flow to front and rear
drive motors
TH
Combiner/Divider valve - Controls flow to steer end
drive motors
TI
Orifice - equalizes drive pressure at steer end
TJ
2 position, 2 way valve - high speed bypass
TK
2 position, 2 way - allows flow to loop the steer end
drive motors in high drive
TL
2 position, 3 way valve - two speed
TM
Orifice - brake circuit
TN
Orifice - two speed circuit
TO
Pressure reducing valve - two speed / brake circuit
TP
Orifice - equalizes drive pressure
TQ
Combiner/Divider valve - Controls flow to non-steer
end drive motors
TR
Counterbalance valve - Traction relief
TS
Check valve - two speed circuit
TT
Check valve - brake circuit
HYDRAULIC COMPONENT LEGEND
Содержание GS-2669 RT
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Страница 169: ...Section 6 Schematics November2014 6 9 Control Panel Circuit Diagram 6 10 ...
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