Genie S-60 Service Manual page 154

Section 5 • Troubleshooting Flow Charts
CHART 21
Continued from the
previous page.
5 - 48
0 or
Disconnect the wires
infinite
from platform level up
ohms
directional valve coil
(item S) and test the
resistance of the valve
coil.
6 to 7 ohms
function
Exchange platform level
operates
directional valves (items
S and U) and activate
the platform level up
function.
function inoperative
function
Exchange platform level
operates
counterbalance valves
(items EE and FF) and
activate the platform
level up 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
level up function.
*SEE
NOTE 2
function
Exchange platform level
operates
flow regulator valve
(item T) with the jib
boom flow regulator
valve (item DD) and
activate the platform
level up function.
function inoperative
Test master cylinder
(see Chart 20) OR
repair or replace slave
cylinder or slave
cylinder counterbalance
valves OR function
manifold may have an
internal fault. Consult
Genie Industries Service
Department.
Genie S-60 & Genie S-65
Third Edition • First Printing
Replace the platform
level up directional valve
coil.
Replace the faulty
directional valve.
Replace the faulty
counterbalance valve.
Check for mechanical
restrictions keeping
platform level up
function from operating
OR replace slave
cylinder OR replace
slave cylinder
counterbalance valves
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