Genie GTH-636 Service Manual page 99

June 2007
REV B
11 Tag, disconnect and plug the hoses from ports
C1, C2 and R of the steering selector. Cap the
fittings. Refer to illustration 3.
Bodily injury hazard. Spraying
hydraulic oil can penetrate and
burn skin. Loosen hydraulic
connections very slowly to allow
the oil pressure to dissipate
gradually. Do not allow oil to
squirt or spray.
Burn hazard. Contact with hot
fluids or components may cause
severe burns.
CYL 1
P R
CYL 2
TOP VIEW
STEERING SELECTOR
TOP VIEW
R
L
T P
T2 T3 R
T1 CONTROL
BLOCK
ST
G2
C
G4
G1 G3
S PR BK
SEE BOOM
CIRCUIT
(10 SERIES ONLY)
MANIFOLD
BLOCK
Illustration 3
Steer Circuit
Part No. 97487 GTH-636 • GTH-644 • GTH-842 • GTH-844 • GTH-1048 • GTH-1056
FRONT
STEERING
CYLINDER
C2
R
P
C1 BOTTOM
VIEW
FRONT OF
MACHINE
REAR
STEERING
CYLINDER
Section 4 • Repair Procedures
OPERATOR'S COMPARTMENT
12 Remove the fasteners securing the right side
dash panel in place. Carefully move the dash
panel away from the dash support. Place the
dash panel in a secure position.
13 Tag and disconnect the dash panel harness
from the main power harness.
Note: This harness connector is of the quick
disconnect screw type.
14 Tag and disconnect the red 8 gauge wires from
one another.
15 GTH-1048 and GTH-1056: Tag and disconnect
the harness connector from the blink code
enable switch.
16 GTH-1048 and GTH-1056: Tag and disconnect
the yellow, brown, purple, orange and green
wires from the left and right stabilizer control
switches.
17 GTH-1048 and GTH-1056: Tag and disconnect
the yellow wire from the sway control switch.
Component damage hazard.
Wires can be damaged if they
are kinked or pinched.
18 Open the fuse block access panel located
under the dash.
19 GTH-1048 and GTH-1056: Tag and disconnect
the red wire from the 20 amp fuse in the upper
left corner of the fuse block and the green wire
from the 5 amp fuse in lower left corner of the
fuse block.
20 Tag and disconnect the yellow wire of the rear
lock-up switch from the white wire of the
parking brake relay.
21 Tag, disconnect and plug the hoses from ports
L, P and T of the steering orbitral. Cap the
fittings. Refer to illustration 3.
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