Upright TM12 - Elevating Assembly

Section 2 - Service and Repair Elevating Assembly
107099-002 TM12 Work Platform Page 2-19
2-9 E LEVATING A SSEMBLY
Maintenance of the elevating assembly consists of four separate tasks and maintenance intervals:
• Chain Lubrication . . . . . . . . . . . . . . . . . . . . . . . 6 months
• Elevating Assembly Wear Inspection . . . . . . . . 6 months
• Chain Tension Inspection . . . . . . . . . . . . . . . . . . . 1 year
• Chain Elongation Inspection. . . . . . . . . . . . . . . . 5 years
All of the tasks except the Elongation Inspection can be done without removing the chains from the
assembly.
Figure 2-16:
Elevating Assembly
Front
(12)
Rear
(11)
Mast Bearings
4
12
12
18
18
18
16
16
5
6
3
2
1
22
23
20
3
15
14
13
17
10b
2
1
7
8
11
11
19
16
16
10b
9
9
9
10a
10b
9
21
10a
1 Base Mast
2 First Inner Mast
3 Second Inner Mast
4 Platform Mast
5 Platform Mast Cover
6 Controller Cover
7 Controller
8 Chain Inspection Cover
9 Inner Chain Anchor
10a Outer Chain Anchor
10b Outer Chain/Inner Pulley
Mount
11 Rear Mast Bearing
12 Front Mast Bearing
13 Inner Pulley
14 Bearings
15 Outer Pulley
16 Chain
17 Upper Cylinder Mount
18 Lift Cylinder
19 Adapter
20 Retaining Ring
21 Proximity Switch
22 Emergency Lowering Knob
23 Chassis