JLG GRADALL 544D-10, Operation & Safety Manual

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Section 2 - Pre-Operation and Inspection
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4. Wheel/Tire Assembly - Properly inflated and secured; no loose or missing lug
nuts. Inspect for worn tread, cuts, tears or other discrepancies.
5. Cab and Electrical -
• General appearance; no visible damage.
• Frame level indicator and window glass undamaged and clean.
• Gauges, switches, joysticks, foot controls and horn operational.
• Emergency escape hammer in place (enclosed cab only).
• Check seat belt for damage, replace belt if frayed or cut webbing, damaged
buckles or loose mounting hardware.
6. Main Control Valve - See Inspection Note.
7. Air Cleaner - Air cleaner element condition indicator, check for clogged
condition. Replace element as required.
8. Wheel/Tire Assembly - Properly inflated and secured; no loose or missing lug
nuts. Inspect for worn tread, cuts, tears or other discrepancies.
9. Stabilizer Cylinder - Pins secure; hydraulic hoses undamaged, not leaking.
10. Rear Axle - Steer cylinders undamaged, not leaking; pivot pins secure;
hydraulic hoses undamaged, not leaking.
11. Wheel/Tire Assembly - Properly inflated and secured; no loose or missing lug
nuts. Inspect for worn tread, cuts, tears or other discrepancies.
12. Engine Compartment -
• Drive belts, check condition and replace as required.
• Engine mounts - See inspection note.
• Engine cover properly secured.
13. Battery - Cables tight, no visible damage or corrosion. Cover properly secured.
14. Mirror - Clean and undamaged.
15. Wheel/Tire Assembly - Properly inflated and secured; no loose or missing lug
nuts. Inspect for worn tread, cuts, tears or other discrepancies.
16. Frame Level Cylinder - Pins secure; hydraulic hoses undamaged, not leaking.
17. Right Outrigger - Pins secure; hydraulic hoses and cylinder undamaged, not
leaking.
18. Attachment - Properly installed, See “Attachment Installation” on page 5-11.