JLG 1230ES Service Manual - Manual (Page 103)

SECTION 6 - MAST COMPONENTS
3121222 – JLG Lift – 6-3
6.5 MAST ASSEMBLY - COMPONENTS
Figure 6-2. Mast Assembly - Components
(Mast shown cutaway for illustrative purposes only)
1. Platform/Outer Mast Section
2. Outer Mid Mast Section
3. Inner Mid Mast Section
4. Mount/Inner Mast Section
5. Hydraulic Cylinder #1
6. Hydraulic Cylinder #2 7. Hydraulic Cylinder #3
8. Top (External) Slide Pads
9. Power-Trak System
10. Power-Trak Guide
11. Power-Trak Shield Assy.
12. Bottom (Internal) Slide Pads
Figure 6-3. Mast Assembly - Orientation (Top View)
1. Front of Machine
2. Rear of Machine
3. Platform/Outer Mast
Section
4. Outer Mid Mast Section
5. Inner Mid Mast Section
6. Mount/Inner Mast Section
7. Hydraulic Cylinder Com-
partment
8. Power-Trak Compartment
9. Cylinder #1 Bleeder Valve
10. Cylinder #2 Bleeder Valve
11. Cylinder #3 Bleeder Valve
12. Corner Slide Pads (a)
Note: (a) Always mount slide pads with the groove oriented to
the side of the mast not the front or rear, for clearance of
the pad mounting rivets during operation.
The slide pads are available in two thicknesses:
JLG P/N-1001092165 - 9,7mm thick - round notch on ends
JLG P/N - 4700042 - 8,7mm thick - NO round notch on end
Always use the 1001092165 slide pad unless mast tube
clearances prevent installation.