Hydraulic System
8.94
Model 644E-42/944E-42
Rev. 6/04
8.8.20
Frame Sway (Right), Stabilizer Circuit & Troubleshooting ( SN 18460 and Before)
(Refer to Section 8.8.55, “Frame Sway Circuit Description,” for a more detailed explanation of this circuit.)
Suction
Return
Load Sense
Pressure
Pilot Pressure
PUMP
HYDRAULIC
RESERVOIR
ATTACH
TILT
FRAME
EXT/RET
LFT/LWR
AU
X
TRANS
ACCUMULATOR
CHARGE/SECONDARY
FUNCTION VALVE
LS
DRAIN
P1
LSG
ACR
SW
P
ACF
EF
CF
PIL
PB
PBG
PPG
SW
MAIN CONTROL
VALVE
INLET
OUTLET
HYDRAULIC OIL
COOLER
FRAME SWAY
JOYSTICK
P
T
2
1
CHECK VALVE
85 PSI (5,9 bar)
FRAME SWAY
CYLINDER
P
T
G1
STABILIZER
CYLINDER
FTR
V
FTR
FTB
CHECK
VALVE
FITTING
CHECK
VALVE
FITTING
Ø .041
Ø .048
P Gauge
RETURN
FILTER
25 PSI
(1,7 BAR)
BYPASS
CHECK
VALVE
MU0641
Relief
Valve
Orifice, Part Of
Check Valve
Fitting
Orifice, Part Of
Check Valve
Fitting
Summary of Contents for 944E-42
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Page 102: ...Boom 3 56 Model 644E 42 944E 42 Rev 6 04 This Page Intentionally Left Blank...
Page 139: ...4 37 Model 644E 42 944E 42 Rev 6 04 Cab and Covers This Page Intentionally Left Blank...
Page 144: ...Cab and Covers 4 42 Model 644E 42 944E 42 Rev 6 04 This Page Intentionally Left Blank...
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Page 501: ...8 251 Model 644E 42 944E 42 Rev 6 04 Hydraulic System MT1950 2 3 4 5 6 7 8 5 5...
Page 507: ...8 257 Model 644E 42 944E 42 Rev 6 04 Hydraulic System MT1950 1 2 3 4 5 6 7 4 4...
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Page 554: ...Electrical System 9 46 Model 644E 42 944E 42 Rev 6 04 This Page Intentionally Left Blank...
Page 759: ...10 3 Model 644E 42 944E 42 Rev 6 04 Stabil TRAK System This Page Intentionally Left Blank...
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Page 800: ...Stabil TRAK System 10 44 Model 644E 42 944E 42 Rev 6 04 This Page Intentionally Left Blank...
Page 832: ...Transfer Carriage 11 32 Model 644E 42 944E 42 Rev 6 04 This Page Intentionally Left Blank...
Page 840: ...12 8 Model 644E 42 944E 42 Rev 6 04 Index...
Page 841: ...Accident Prevention Tags OS2180 8990403 Origin 5 00 Accident Prevention Tags...
Page 842: ...Accident Prevention Tags OS2180 8990403 Origin 5 00...
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