JLG 120HX Operator Manual - Manual (Page 23)

SECTION 2 - PREPARATION AND INSPECTION
3120818 – JLG Lift – 2-7
GENERAL
Begin the “Walk-Around Inspection” at Item 1, as noted
on the diagram. Continue to the right (counterclockwise
viewed from top) checking each item in sequence for the
conditions listed in the “Walk-Around Inspection Check-
list”.
TO AVOID INJURY, DO NOT OPERATE A MACHINE UNTIL ALL
MALFUNCTIONS HAVE BEEN CORRECTED. USE OF A MALFUNC-
TIONING MACHINE IS A SAFETY VIOLATION. TO AVOID POSSI-
BLE INJURY, BE SURE MACHINE POWER IS “OFF” DURING
WALK-AROUND INSPECTION.
NOTE: Do not overlook visual inspection of chassis under-
side. Checking this area often results in discovery of
conditions which could cause extensive machine
damage.
1. Platform Assembly - No loose or missing parts, no
visible damage. Lock bolts in place. Footswitch in
good working order, not modified, disabled or
blocked. Check area of fly boom nose section
above and under platform slave level cylinder for
accumulation of foreign material. Remove any for-
eign material present.
2. Platform Control Console - Switches and levers
return to neutral and are properly secured, no loose
or missing parts, no visible damage, decals/plac-
ards secure and legible, control marking legible.
3. Slave Leveling Cylinder, Extend-A-Reach - Prop-
erly secured, no visible damage, no evidence of
leakage.
4. Extend-A-Reach Lift Cylinder - Properly secured,
no visible damage, or signs of leakage, evidence of
proper lubrication.
5. Extend-A-Reach Pivot - No loose, damaged, or
missing parts, evidence of proper lubrication.
6. Hose and Cable Guards/Clamps - Properly
secured, no visible damage.
7. Power Track - No loose, damaged or missing parts,
no visible damage.
8. Drive Motor and Brake, Right Rear - No visible
damage, no evidence of leakage.
9. Drive Hub, Right Rear - No visible damage, no evi-
dence of leakage.
10. Wheel/Tire Assembly, Right Rear - Properly
secured, no loose or missing lug nuts, no visible
damage.
11. Extendable Axle - Lock pins in place, properly
secured. Check both sides.
12. Swing Drive Motor and Brake - No visible damage,
no evidence of leakage.
13. Fuel Supply - Fuel filler cap secure. Tank - no visible
damage; no evidence of leaks.
14. Cowling and Latches - All cowling and latches in
working condition, properly secured, no loose or
missing part.
15. Control Valve Compartment - No loose or missing
parts; evidence of leakage; unsupported wires or
hoses; damaged or broken wires.
16. Extendable Axle - Lock pins in place, properly
secured. Check both sides.
17. Hydraulic Oil Supply - Recommended oil level in
sight gauge. (Check level with cold oil, systems shut
down, machine in stowed position) Cap in place
and secure.
18. Hydraulic Oil Filter Housing - Housing secure; no
visible damage or signs of leakage.
19. Hydraulic Oil Breather - Element in place, not
clogged, no signs of overflow.
20. Wheel/Tire Assembly, Right Front - Properly
secured, no loose or missing lug nuts, no visible
damage.
21. Turntable Springs - Properly secured, no loose or
missing nuts or bolts.
22. Ground Controls - Switches operable, no visible
damage, decals secure and legible.
23. Engine Air Filter - No loose or missing parts, no vis-
ible damage, element clean.
24. Tie Rod and Steering Linkage - No loose or miss-
ing parts, no visible damage. Tie rod end studs
locked.
25. Wheel/Tire Assembly, Left Front - Properly
secured, no loose or missing lug nuts, no visible
damage.
Figure 2-2. Daily Walk-Around Inspection (Sheet 2 of 3)