Steering Cylinder - Snorkel TM12 Service Manual

Section 3 - Service & Repair
S
T E E R I N G
R
EMOVAL
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 cylin-
der. 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.
C
Y L I N D E R
Figure 3-12: Steering Cylinder Remove & Replace
15
14
15
8
14
9
10
8 11
12
7
13
6
1. Steering Link, Right
2. Steering Link, Left
3. Bell Crank Weldment

4. Steering Cylinder

5. Pivot Pin
6. Drive Motor
7. Wheel Yolk
Figure 3-13: Brake and Steering Cylinder Seal Kit
5
H
E, F
1. Shaft
2. Cylinder Barrel
3. Head Cap
4. Piston
5. Piston Nut
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
Cylinders
1
3
2 10
11
10
13
12
5
5
4
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
4
G (2) A
3
B
D
C
2
Page 3-17
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11
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