Upright TM12, Service Manual

Page: 54 / 84

Cylinders Section 2 - Service and Repair
Page 2-16 107099-002 TM12 Work Platform
S
T E E R I N G
C
Y L I N D E R
R
EMOVAL
Figure 2-12: Steering Cylinder Remove & Replace
1. Mark and disconnect the hose assemblies from
the cylinder fittings and immediately cap the
openings to prevent foreign material from enter-
ing.
2. Remove the cotter pins from the pivot pins.
3. Remove the pivot pins while supporting the cyl-
inder. Remove the cylinder.
R
EPAIR
Refer to Cylinder Repair in
Section 1 - General Information.
I
NSTALLATION
1. Position the cylinder assembly in the chassis
and insert pivot pins and secure with new cotter
pins.
2. Connect the hose assemblies to the fittings.
3. Operate the steering circuit several times
throughout its entire range of travel to expel
trapped air and check for leaks.
Figure 2-13: Brake and Steering Cylinder Seal Kit
1
2
3
4
5
10
8
8
9
10
10
10
11
11
11
12
12
14
14
15
13
13
13
15
12
7
6
5
1. Steering Link, Right
2. Steering Link, Left
3. Bell Crank Weldment
4. Steering Cylinder
5. Pivot Pin
6. Drive Motor
7. Wheel Yolk 8. Thrust Washer 1 ½”
9. Bearing, 1 ½” ID
10. Bearing, ¾” ID
11. Thrust Washer, ¾”
12. Steer Pin
13. Cotter Pin
1
13
8
11 (2) 4
5
3
9, 10
12
7
6
2
1. Shaft
2. Cylinder Barrel
3. Head Cap
4. Piston
5. Piston Nut
Seal Kit Includes:
A. O-Ring
B. Backup Ring
C. Rod Wiper
D. U-Cup
E. Teflon Piston Ring
F. O-Ring (under Piston Ring)
G. Backup Ring (2)
H. O-Ring