Genie S-60 Service Manual page 143

Third Edition • First Printing
Continued from the
previous page.
Part No. 65196
0 or
Disconnect wires to
infinite
boom extend directional
ohms
valve coil (item C) and
test the resistance of the
valve coil. See Repair
Section.
2.5 to 3.5 ohms
function
Hold the function enable
operates Replace faulty
switch to either side and
move the boom extend/
retract toggle switch in
the direction.
EXTEND
Manually override the
directional valve by
pushing in on the end of
the valve spool.
function inoperative
Install a 0 to 5000 PSI
2500
(345 bar) pressure
PSI or
gauge at the quick
more
disconnect coupling on
the boom function
manifold and start the
engine. Hold the
function enable switch to
either side and move the
boom extend/retract
toggle switch in the
direction and
RETRACT
check the pressure.
less than 2500 PSI
function
Exchange extend/retract
operates Replace faulty flow
flow regulator valve
(item G) with boom up/
down flow regulator
valve (item H). Check
boom retract function.
function inoperative
Repair cylinder or
cylinder counterbalance
valve OR function
manifold could have an
internal fault. Consult
Genie Industries Service
Department.
Genie S-60 & Genie S-65
Section 5 • Troubleshooting Flow Charts
Replace boom extend
directional valve coil.
directional valve.
Check for mechanical
restrictions keeping
boom from retracting
OR repair cylinder or
cylinder counterbalance
valves OR consult
Genie Industries Service
Department.
regulator valve.
CHART 17
5 - 37