SECTION 2 - PROCEDURES
3120240 – JLG Lift – 2-91
Table 2-4. Preventive Maintenance and Inspection Schedule.
AREA INTERVAL
BOOM DAILY WEEKLY MONTHLY 3 MONTH 6 MONTH YEARLY
1. Platform 1, 4
2. Platform Gate 1, 4 12
3. Platform Rotator 5, 11
4. Footswitch 1, 11
5. Controllers 1, 11
6. Switches 1, 11
7. Placards and Decals 1, 2
8. Control Tags 1, 2
9. Valves 1, 11 5, 6
10. Carrier (Hoses and Tubing) 1 4, 8
11. Hydraulic Hoses and Tubing 1 5
12. Chains**** 8
13. Chain Adjusters 9
14. Sheaves**** 12 8
15. Pins+ 8
16. Bushings 8
17. Wear Pads 8
18. Cylinders 1, 5, 6, 13
TURNTABLE
1. Engine Oil (See MFG. Manual) 3 5
2. Battery 3 5
3. Radiator (If Equipped) 3 5
4. Air Cleaner 1 14
5. Exhaust System 1 1, 5
6. Spark Arrester 1 1, 5 17
7. Engine Mounts 1
8. Ground Controls 1, 2, 11
9. Main Hydraulic Pump 1 5
10. Auxiliary Power Pump 1 5
11. Valves 1, 11 5
12. Hydraulic Filters 14 5
13. Hydraulic Hoses and tubing 1 5
14. Hydraulic Oil Tank ** 3 5 4
15. Breather Hydraulic Tank 6, 14
16. Fuel Tank 3, 5 4
17. Cylinders 1, 5, 6, 13 4
18. Hood Doors & Sields 1
19. Turntable Locking Pin 1, 7
20. Horizontal Limit Switch 1, 7
21. Oil Coupling 5
22. Placards and Decals 1, 2
23. Swing Bearing 1 9, 12
24. Swing Brake 1, 5, 6 8
25. Swing Hub 3, 9
CHASSIS
1. Wheel and Tires Assembly 1 8, 9, 15
2. Drive Motors 1, 5, 6
3. Drive Torque Hubs ** 1, 5, 6 3
4. Drive Brakes 1, 5, 6
5. Steer Cylinders 1 1, 5, 6, 13
6. Steer Components 1 4, 6 8
7. Lockout Cell. (If Equipped) *** 1 5, 13 8
8. Front Axle Pin (If Equipped) 1 8
9. Hydraulic Hoses 1
10. Placards and Decals 1, 2
11. Wheel Bearings ** 8
12. Swing Bearing/Pinion Gear 9, 12
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