Pre-Start Inspection - JLG EC450AJ Operation & Safety Manual

5. Jib Cylinder
6. Base Boom Section
7. Fly Boom Section
8. Master Cylinder
9. Main Lift Cylinder
2.4

PRE-START INSPECTION

The Pre-Start Inspection should include each of the following:
1. Cleanliness — Check all surfaces for leakage (oil or battery fluid) or foreign
objects. Report any leakage to the proper maintenance personnel.
2. Structure — Inspect the machine structure for dents, damage, weld or parent
metal cracks or other discrepancies.
Figure 1. Parent Metal Crack
3. Decals and Placards — Check all for cleanliness and legibility. Make sure none of
the decals and placards are missing. Make sure all illegible decals and placards are
cleaned or replaced.
4. Operation and Safety Manuals — Make sure a copy of the Operation and Safety
Manual, AEM Safety Manual (ANSI markets only), and ANSI Manual of
Responsibilities (ANSI markets only) is enclosed in the weather resistant storage
container.
5. Walk-Around Inspection — Perform as instructed.
6. Battery — Charge as required.
7. Hydraulic Oil — Check the hydraulic oil level. Ensure hydraulic oil is added as
required.
8. Accessories/Attachments — Refer to the Accessories section in this manual or
accessory installed upon the machine for specific inspection, operation, and
maintenance instructions.
EC450AJ, EC520AJ
User Responsibilities, Machine Preparation, and Inspection
14. Turntable
15. Front Steering Wheels
16. Rear Drive Wheels
17. Frame
Figure 2. Weld Crack
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