Genie S-60 Service Manual page 158

Section 5 • Troubleshooting Flow Charts
CHART 23
Continued from the
previous page.
5 - 52
0 or
Disconnect the wires
infinite
from the platform rotate
ohms
left directional valve coil
(item BB) and test the
resistance of the valve
coil.
6 to 7 ohms
function
Exchange platform
operates
rotate left and right
directional valves (items
BB and CC) and
activate the platform
rotate left function.
function inoperative
Exchange platform function
rotate left and right operates
counterbalance valves
at the counterbalance
valve manifold and
activate the platform
rotate left function.
function inoperative
Install a 0 to 3000
(207 bar) pressure
*SEE
gauge at the quick
NOTE 1
disconnect coupling on
the function manifold
and activate the platform
rotate left function.
*SEE
NOTE 2
function
Exchange platform
operates
rotate flow regulator
valve (item DD) with the
platform leveling flow
regulator valve (item T)
and activate the platform
rotate left function.
function inoperative
Consult Genie Industries
Service Department.
Genie S-60 & Genie S-65
Third Edition • First Printing
Replace the platform
rotate left directional
valve coil (item BB).
Replace the faulty
directional valve.
Replace the faulty
counterbalance valve.
Check for mechanical
restrictions keeping
platform rotate left
function from operating
OR repair or replace
platform rotator OR
replace platform rotator
counterbalance valve
manifold OR consult
Genie Industries Service
Department.
Replace faulty flow
regulator valve.
*NOTE 1
S-60: 2600 PSI or more
S-65: 2900 PSI or more
*NOTE 2
S-60: Less than
2600 PSI
S-65: Less than
2900 PSI
Part No. 65196