Service Manual Manual

8-17
6036, 6042, 8042, 10042, 10054
Hydraulic System
b. Model 6042
A B C D E F G H
1
2
3
4
5
6
7
8
G H E F C D A B
8
7
6
5
4
3
2
1
EXTEND
CYLINDER
-
4.50
X
3.00
X
102.50
4000 PSI
HOIST CYLINDER
-
5.00
X
2.75
X
44.36
4000 PSI
HOIST CYLINDER
-
5.00
X
2.75
X
44.36
4000 PSI
MAIN
CONTROL VALVE
AUX
FUNCTION
QUICK
DISCONNECT
AT BOOM
GOSENECK
OPTIONAL
FORK
CYLINDER
-
5.00
X
2.00
X
16.75
4000 PSI
SLAVE
CYLINDERS
-
3.75
X
1.50
X
11.40
PSG
PS
PP PPG
PB
PBG
.090
DIA
550 PSI
2500 PSI
P
T
650 PSI
SECONDARY FUNCTION
MANIFOLD
3.93
BASE
1.97
ROD
4.4B
STROKE
FRONT
R
L
T
P
b
a
4 WHEEL STEER
A
B
R
L
REAR
CRAB STEER
R
L
P
T
STEERING VALV E
STEERING
SELECTOR
VALV E MANIFOLD
T
B2
P
B1
L5
REAR WHEEL BRAKE
FRONT WHEEL BRAKE
.089
.089
.089
.073
SERVICE
BRAKE
VALV E
250 PSI
2750 PSI
BYPASS
TO TANK
60um
25 PSI
3.5
IN
3
10um
LOW
IDLE
1050
RPM
15.9
GPM
HIGH
IDLE
2750
RPM
41.7
GPM
RATED
SPEED
2500
RPM
37.9
GPM
FTR
FTB
FRAME TILT CYL 4.50
X
2.25
X
8.69
65
PSI
10um
B
A
14
GPM
MAX
3250 PSI
A
B
3250 PSI
A
14
GPM
MAX
SHUTTLE
IN
LOAD
SENSE
AUX
HYD
FORK TILT
B
AB
AB
TANK
LOAD
SENSE
OUT
FRAME TILT
INLET
HOIST
EXTEND
6
GPM
MAX
TANK
PRESSURE
PORT
TANK
PRESSURE
PORT
LOAD
SENSE
OUT
3500
PSI
3250
PSI
3250 PSI
.029
.047
G3G2
CYL2
CYL1
2A
12B4B
11
4A
11
100 PSI
G1
.06
2B
STABILIZER
CYL
4.50x8.69x2.25
3
FTR
V
12A
1
P
T
.03
.040
MAQ0081A