Snorkel AB85J, Repair Parts Manual

Page: 555 / 591

DRIVE-REV.
2/4
PILOT
LEVEL
MASTER
CYL.
VALVE
CHECK
MANIFOLD
3350
PSI 3350
PSI
Ø
.0
1
5
SHIFT
SPEED
VALVE
STEER
VALVE
CONTROL
PUMP
VALVE
B A
Ø .029
MANUAL
BLEED DOWN
Ø .040
Ø .029
Ø .015
DRIVE-FWD.
CENTERPOST NO. FUNCTION
RETURN 1
2
3
FRONT LH ST 4
FRONT RH ST 5
REAR LH ST
6
REAR RH ST
7
OIL FLOW CHART
2500 PSI
TEST
TEST
350 PSI
3000 PSI
3:1 3:1
2900 PSI
2900 PSI
3
4
00
P
S
I
3
4
00
P
S
I
1
0:1
1
0:1
7
2 1
ACCUMULATOR
SLAVE LEVEL CYL.
EP DV
VP T SV
T
P
P
S
HYD. RESERVOIR
PUMP
EMER. POWER UNIT
RETURN MANIFOLD
4
5
8
9
2 1
M M
CW CCW
BR
V1 V2
T
SWING DRIVE
REV.
FWD.
7
1
3
2
6
5
4
CENTERPOST
JIB ARTICULATE
PLATFORM
ROTATION
P
1
P
2
C
W
C
C
W
PILOT HI/LO
8
PROT 2/4 9
8
9
FR VR
B2
B1
A
C
HI/LO PILOT
A C
B
RR RL
4000 PSI
4000 PSI
LS
P
B
A B A B A
R
M
DW
Z
LS P
B
A
B
A
B
A
T
Z
R
LS
T
Z
P
R
B A
b
a a
b
R
M
DW
Z
LS P
LS
T
Z
P
R
LH RH
RUP RDN
3 1 2
MAIN BOOM LIFT
3
3
00
P
S
I
P
1
P
2
C
W
C
C
W
JIB ROTATE
DRIVE SWING
RISER
STEER
3 1 2
RISER LIFT
3000 PSI
3000 PSI
3600 PSI
10:1
3
3
00
P
S
I
3:1 3:1
3600 PSI
10:1
2250 PSI
3000 PSI
EXTEND CYL.
2
1
ATM
3:1
2:1
3:1 3:1
3
:1
3
:1
3
:1
3
:1
3:1 3:1
CR CB HP
V2 V1 S
T
CR CB HP
V2
V1 S
T
MB RB
T
JIB ROTATE MAIN LIFT BOOM EXTEND
900 PSI
900 PSI
750-800 PSI
750-800 PSI
PLATFORM ROTATE JIB ARTICULATE LEVEL OVERRIDE
1100 PSI
2000 PSI
B
A
B