Genie S-60 Service Manual page 136

Section 5 • Troubleshooting Flow Charts
CHART 14
Continued from the
previous page.
5 - 30
0 or
Disconnect wires from
infinite
boom up/down
ohms
directional valve coil
(item B) and test the
resistance of the valve
coil. See Repair Section.
2.5 to 3.5 ohms
function
Hold function enable
operates
switch to either side and
move the boom up/down
toggle switch in the
UP
direction. Manually
override the directional
valve by pushing in on
the end of the valve
spool.
function inoperative
Install a 0 to 5000 PSI
(345 bar) pressure
*SEE
gauge at the quick
NOTE 1
disconnect coupling on
the boom function
manifold and start the
engine. Hold the
function enable switch to
either side and move the
boom up/down toggle
switch in the direction
UP
and check the pressure.
*SEE
NOTE 2
function
Exchange boom flow
operates
regulator valve (item H)
with boom extend/retract
flow regulator valve
(item G). Check boom
up function.
function inoperative
Repair cylinder or
cylinder counterbalance
valve OR boom function
manifold could have an
internal fault. Consult
Genie Industries Service
Department.
Genie S-60 & Genie S-65
Third Edition • First Printing
Replace boom up/down
directional valve coil.
Replace the faulty
directional valve.
Check for mechanical
restrictions keeping
boom from moving OR
repair cylinder or
cylinder counterbalance
valve OR consult Genie
Industries Service
Department.
Replace the 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