JLG 1500SJ Service Manual - Manual (Page 622)

SECTION 7 - BASIC ELECTRICAL INFORMATION & SCHEMATICS
7-42 – JLG Lift – 3121262
D
A4 A3
B2
B5 B6
B1
2-SPEED BRAKE
STEER
B
B
BR MBR P3 P4
P1
P2
TS A1
A5 A6
MLOP
B A
X1 X2
MB
MA
A B G
P T
PS
5000psi
A2
B4 B3
MP
G G1
G G1
S
B
A
X1 X2
MB
MA
A B G
P T
R,T1,T2
PS
5000psi
S
REAR AXLE
Oil
Cooler
Suction
Strainer
60 Mesh
(238 Micron)
3 PSI Bypass
TRACTION
MANIFOLD
PORT
# 6
PORT
# 2
See Sheet #2
"P" Port
Steer Valve
See Sheet #2
"P" Port
Steer Valve
PORT
# 1
PORT
# 5
PORT
# 4
PORT
# 3
550
psi
PORT
# 7
LEFT
MOTOR
REAR DRIVE
BRAKES
MIDDLE DRIVE
PUMP
2.75 in3
FRONT DRIVE
PUMP
2.75 in3
CHARGE PUMP FILTER
B10 >= 1000
BYPASS 43 PSI
LOP
Fe Fe
R,T1,T2
500 PSI
SWIVEL PORTS
Figure 7-47. Hydraulic Schematic - Sheet 7 of 10