JLG 600A_AJ Operator Manual - Manual (Page 79)

SECTION 4 - MACHINE OPERATION
3121615 – JLG Lift – 4-15
4.9 SHUT DOWN AND PARK
1. Drive machine to a protected area.
2. Assure boom is fully retracted and lowered over rear (Drive)
axle; all access panels and doors closed and secured.
3. Remove all load and allow engine to operate 3-5 minutes at
idle to permit reduction of engine internal temperatures.
4. At Ground Controls, turn Key Select switch to (center) Off
Position, Power/Emergency Stop switch (down) to Off.
Remove key.
5. Cover Platform Control console to protect instruction plac-
ards, warning decals and operating controls from hostile
environment.
4.10 OSCILLATING AXLE LOCKOUT TEST (IF EQUIPPED)
LOCKOUT SYSTEM TEST MUST BE PERFORMED QUARTERLY, ANY TIME A SYSTEM COM-
PONENT IS REPLACED, OR WHEN IMPROPER SYSTEM OPERATION IS SUSPECTED.
Refer to Section 6.5, Oscillating Axle Lockout Test (If Equipped) for
procedure.
4.11 STEER/TOW SELECTOR (IF EQUIPPED)
DO NOT ATTEMPT TO TOW MACHINE UNLESS EQUIPPED WITH COMPLETE TOW PACK-
AGE FROM MANUFACTURER.
A push-pull type selector valve located adjacent to the steer cyl-
inder and linkage regulates oil flow in the steer circuit for steering
and towing. When steering the unit the valve knob is pushed IN.
When towing the unit the valve knob is pulled OUT to the float
position.