SkyTrak 6042 Service Manual - Manual (Page 254)

Hydraulic System
8.22 Model 6042 Legacy Origin 7/02
8.8.5 Boom Lower Circuit and Troubleshooting
(Refer to Section 8.8.21, “Boom Lift/Lower Circuit Description” for a more detailed explanation of this circuit.)
Figure 8-8 Boom Lower Hydraulic Circuit
MAIN
CONTROL
VALVE
HYDRAULIC
OIL COOLER
UNLOADER
VALVE
T
SFV
V
LSG P
LS
VG
RETURN
FILTER
HYDRAULIC
RESERVOIR
PUMP
IN T
T
ATTACH
TILT
FRAME EXT/RET LFT/LWR
AU
X
LS
SECONDARY
FUNCTION
MANIFOLD
PP
P
PS
PSG
PPG
T
PBG
PB
Ø .029
PRESSURE
REDUCING
VALVE
RELIEF
VALVE
DIFFERENTIAL
PRESSURE
SENSE VALVE
CHECK
VALVE
FITTING
LEFT
LIFT/LOWER
CYLINDER
RIGHT
LIFT/LOWER
CYLINDER
Suction
Return
Load Sense
Pressure
E
R
E
R
MA10,0270