Service Manual

SECTION 2 - SERVICE PROCEDURES
2-18 – JLG Lift – 3120779
The inspection and maintenance code numbers are as fol-
lows:
1. Check for proper and secure installation.
2. Check for visible damage and legibility.
3. Check for proper fluid level.
4. Check for any structural damage; cracked or broken
welds; bent/warped surface; broken cable strands.
5. Check for leakage.
6. Check for presence of excessive dirt or foreign
material.
7. Check for proper operation and freedom of move-
ment.
8. Check for excessive wear or damage.
9. Check for proper tightness and adjustment.
10. Drain, clean and refill.
11. Check for proper operation while pump/motor is
running.
12. Check for proper lubrication.
13. Check for evidence of scratches, nicks or rust and
for straightness of rod.
14. Check for condition of element; replace as neces-
sary.
Table 2-3. Preventive Maintenance & Inspection Schedule.
AREA ON MACHINE INTERVAL
PLATFORM
(10 HRS.)
DAILY
(50 HRS.)
WEEKLY
(200 HRS.)
MONTHLY
(500 HRS.)
3 MONTHS
(1000 HRS.)
6 MONTHS
(2000 HRS.)
1 YEAR
Control Switches 1,11
Placards and Decals 1,2
Control Tags 1,2
Electrical Cables 1,8
Handrail and Bar Gate 1,4
MAST
Mast Chains/Cables/and all component parts 1,4,7,9
Mast Sections 1,4,7
Mast Sequencing Cables 1,4,7,9
BASE FRAME
Batteries (DC Models) 1,3 5 12
Battery Charger (DC Models) 1
Power Cable (AC Models) 1,8
Electric Motor/Hydraulic Pump Unit 1 5
Hydraulic Hoses and Fittings 1 5
Hydraulic Oil Reservoir * 3 5 4
Hydraulic Oil Reservoir Breather 6,14
Manual Descent Valve 1,7
Lift Cylinder 1 5,6,13 4
Floor Brake Assembly 1,6,7,8 12
Placards and Decals 1,2
Wheels and Casters 1 8,9 12
Wheel Bearings 8 12
Power Switch (Ground Control Box) 1,11
Control Tags 1,2
Placards and Decals 1,2
Hoses and Cables 1,8