JLG 80HX_HX+6 Operator Manual - Manual (Page 65)

SECTION 4 - MACHINE OPERATION
4-2 – JLG Lift – 3120890
4.3 ENGINE OPERATION
NOTE: Initial starting should always be performed from the
Ground Control station.
Starting Procedure
1. Check engine oil. If necessary, add oil in accor-
dance with the Engine Manufacturer’s manual.
2. Check fuel level. Add fuel if necessary.
3. Check that air cleaner components are in place
and securely fastened.
IF ENGINE FAILS TO START PROMPTLY, DO NOT CRANK FOR AN
EXTENDED PERIOD. SHOULD ENGINE FAIL TO START ONCE
AGAIN, ALLOW STARTER TO “COOL OFF” FOR 2-3 MINUTES. IF
ENGINE FAILS AFTER SEVERAL ATTEMPTS, REFER TO ENGINE
MAINTENANCE MANUAL.
4. Place ENGINE SPEED control switch on plat-
form console to LOW position.
5. Turn key of CONTROL SELECTION switch to
GROUND. Position IGNITION switch to ON,
then push the START switch to the upward
position until engine starts.
ALLOW ENGINE TO WARM-UP FOR A FEW MINUTES AT LOW
SPEED BEFORE APPLYING ANY LOAD.
6. After engine has had sufficient time to warm
up, shut engine off.
7. Turn key of CONTROL SELECTION switch to
PLATFORM.
8. From Platform position IGNITION switch to
ON, then push the START switch to the forward
position until engine starts.
NOTE: The footswitch must be in released (up) position
before starter will operate. If starter operates with
footswitch in the depressed position, DO NOT
OPERATE THE MACHINE.
Shutdown Procedure
IF AN ENGINE MALFUNCTION NECESSITATES UNSCHEDULED
SHUTDOWN, DETERMINE AND CORRECT CAUSE BEFORE
RESUMING ANY OPERATION.
1. Remove all load and allow engine to operate at
low speed setting for 3-5 minutes; this allows
for further reduction of internal engine temper-
ature.
2. Position IGNITION switch to OFF .
3. Turn key of MASTER Switch to OFF position.
NOTE: Refer to Engine Manufacturer’s manual for detailed
information.
4.4 TRAVELING (DRIVING)
DO NOT DRIVE WITH BOOM EXTENDED OR ABOVE HORIZONTAL
EXCEPT ON A SMOOTH, FIRM AND LEVEL SURFACE.
TO AVOID LOSS OF TRAVEL CONTROL OR UPSET ON GRADES
AND SIDE SLOPES, DO NOT DRIVE MACHINE ON GRADES OR
SIDE SLOPES EXCEEDING THOSE SPECIFIED ON THE SERIAL
NUMBER NAME PLATE.
ASSURE THAT TURNTABLE LOCK IS ENGAGED BEFORE BEGIN-
NING ANY EXTENDED TRAVELING. AVOID ANY TERRAIN FEA-
TURES WHICH COULD CAUSE THE MACHINE TO UPSET.
TRAVEL GRADES IN “LOW” WHEEL MOTOR SPEED AND “HIGH”
ENGINE SPEED ONLY. USE EXTREME CAUTION WHEN DRIVING
IN REVERSE AT ALL TIMES WHEN DRIVING WITH PLATFORM
ELEVATED AND ESPECIALLY WHEN DRIVING WITH ANY PART OF
MACHINE WITHIN 2 M OF AN OBSTRUCTION. DO NOT USE DRIVE
TO MANEUVER PLATFORM CLOSE TO AN OBSTRUCTION....USE
ONE OF THE BOOM FUNCTIONS.