JLG E300 Service Manual - Manual (Page 92)

SECTION 4 - BOOM & PLATFORM
4-6 – JLG Lift – 3120772
4.3 ARTICULATING JIB (AJ/AJP)
Removal
1. Place the Jib in a horizontal position and support the
complete assembly with adequate blocking.
2. Remove the Platform as follows:
a. Disconnect the electrical connectors going into
the platform control box.
b. Remove the bolts, nuts, and washers connect-
ing the platform basket to the platform support.
c. Using a suitable lifting device, remove the plat-
form basket from the platform support.
3. Tag and disconnect the hydraulic lines running to
the Jib. Use a suitable container to collect any resid-
ual fluid. Cap the hydraulic lines and ports.
4. Remove the hardware securing the Jib pivot pin at
the boom. Using a suitable brass drift and hammer,
remove the pin from the fly boom. Use a suitable lift-
ing device and remove the Jib.
4.4 TILT INDICATOR SWITCH LEVELING
PERFORM TILT ALARM SWITCH LEVELING PROCEDURE A MINI-
MUM OF EVERY SIX MONTHS TO ENSURE PROPER OPERATION
AND ADJUSTMENT OF SWITCH.
1. Check chassis out of level indicator light located on
the platform control console by driving, with the
machine in level position, up a suitable ramp of at
least 6° slope. Check the out of level alarm, with the
machine on the ramp, raise the upper boom until it
is parallel with the chassis. DO NOT RAISE ABOVE
THE PARALLEL POSITION. If the light does not illu-
minate, return the machine to a level surface, shut
down the machine, and contact a qualified techni-
cian before resuming operation.
4.5 FOOTSWITCH ADJUSTMENT
Adjust switch so that functions will operate when pedal is
at center of travel. If switch operates within last 1/4 inch
(6.35 mm) of travel, top or bottom, it should be adjusted.
4.6 BOOM LIMIT SWITCHES
Refer to Figure 4-7., Boom Limit Switches for adjustments
to be made of the two Limit Switches which bolt in place
on the upright.