Grove
Published 01-14-2021 Control # 707-01
2-31
TMS9000-2 SERVICE MANUAL
HYDRAULIC SYSTEM
2
Table 2-1 Boom Drift Chart (Cylinder Length Change in Inches)
Table 2-2 Boom Drift Chart (Cylinder Length Change in Millimeters)
STEER CYLINDER
Description
The steer cylinders (Figure 2-19) are mounted on the front
axles. The steer cylinders each have a 5.08 cm (2.0 inch)
diameter bores. The steer cylinders have a retracted length
of 52.15 cm (20.53 in) from end to end. The steer cylinders
have an extended length of 82.63 cm (32.53 in) from end to
end. Each cylinder has a stroke of 30.48 cm (12.0 in). A
wiper ring prevents foreign material from entering each
cylinder. O-rings and other seals prevent internal and
external leakage.
The cylinder weighs approximately 6.0 kg (13.2 lb).
Maintenance
Disassembly
NOTE:
Any maintenance requiring disassembly of the
cylinders should include replacement of all seals. A
seal kit will supply the required items.
1.
Secure the cylinder in a clean work area by use of
clamps or a chain vise to prevent rolling.
2.
Retract the cylinder fully to avoid damaging the rod
during removal.
NOTE:
Mark or note the piston and head relationship to the
rod and barrel.
Coeff. = 0.00043 (in
3
/in
3
/ °F)
STROKE
Temperature Change (°F)
(FT.)
10
20
30
40
50
60
70
80
90
100
5
0.26
0.52
0.77
1.03
1.29
1.55
1.81
2.06
2.32
2.58
10
0.52
1.03
1.55
2.06
2.58
3.10
3.61
4.13
4.64
5.16
15
0.77
1.55
2.32
3.10
3.87
4.64
5.42
6.19
6.97
7.74
20
1.03
2.06
3.10
4.13
5.16
6.19
7.22
8.26
9.29
10.32
25
1.29
2.58
3.87
5.16
6.45
7.74
9.03
10.32
11.61
12.90
30
1.55
3.10
4.64
6.19
7.74
9.29
10.84
12.38
13.93
15.48
35
1.81
3.61
5.42
7.22
9.03
10.84
12.64
14.45
16.25
18.06
40
2.06
4.13
6.19
8.26
10.32
12.38
14.45
16.51
18.58
20.64
45
2.32
4.64
6.97
9.29
11.61
13.93
16.25
18.58
20.90
23.22
50
2.58
5.16
7.74
10.32
12.90
15.48
18.06
20.64
23.22
25.80
55
2.84
5.68
8.51
11.35
14.19
17.03
19.87
22.70
25.54
28.38
60
3.10
6.19
9.29
12.38
15.48
18.58
21.67
24.77
27.86
30.96
Length change in inches = Stroke (Ft.) X Temperature Change ( °F) X Coeff. (in
3
/in
3
/ °F) X 12 in/ft
Coeff. =
0.000774 (1/ °C)
STROKE
Temperature Change (°C)
(m)
5
10
15
20
25
30
35
40
45
50
55
1.5
5.81
11.61
17.42
23.22
29.03
34.83
40.64
46.44
52.25
58.05
63.86
3
11.61
23.22
34.83
46.44
58.05
69.66
81.27
92.88
104.49
116.10 127.71
4.5
17.42
34.83
52.25
69.66
87.08
104.49
121.91
139.32
156.74
174.15 191.57
6
23.22
46.44
69.66
92.88
116.10
139.32
162.54
185.76
208.98
232.20 255.42
7.5
29.03
58.05
87.08
116.10
145.13
174.15
203.18
232.20
261.23
290.25 319.28
9
34.83
69.66
104.49
139.32
174.15
208.98
243.81
278.64
313.47
348.30 383.13
10.5
40.64
81.27
121.91
162.54
203.18
243.81
284.45
325.08
365.72
406.35 446.99
12
46.44
92.88
139.32
185.76
232.20
278.64
325.08
371.52
417.96
464.40 510.84
13.5
52.25
104.49
156.74
208.98
261.23
313.47
365.72
417.96
470.21
522.45 574.70
15
58.05
116.10
174.15
232.20
290.25
348.30
406.35
464.40
522.45
580.50 638.55
16.5
63.86
127.71
191.57
255.42
319.28
383.13
446.99
510.84
574.70
638.55 702.41
18
69.66
139.32
208.98
278.64
348.30
417.96
487.62
557.28
626.94
696.60 766.26
Length change in mm = Stroke (m) X Temperature Change ( °C) X Coeff. (1/ °C) X 1000 mm/m
Fo
r
Reference
Only
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