Grove
Published 01-14-2021 Control # 707-01
2-47
TMS9000-2 SERVICE MANUAL
HYDRAULIC SYSTEM
2
10.
Connect the hoses to the valve block.
11.
Pressurize and cycle the cylinder with hydraulic oil
pressure. Test the cylinder at 36,107 KPa (5250 psi).
Check for proper operation and any leakage. Make
repairs as needed.
COUNTERWEIGHT CYLINDER
Description
The counterweight cylinder (Figure 2-26) has a retracted
length of 90.9 cm (36 in). The extended length of the cylinder
is 139.9 cm (55 in). Its stroke is 49 cm (19.3 in). A wiper ring
prevents foreign material from entering the cylinder. O-rings
and other seals prevent internal and external leakage.
The cylinder weighs approximately 88 kg (194 lb) wet.
19
14
15
23
22
3
16
17
1
2
18 19
6
7
24
25
13
10
12
9
11
4
21
20
21
5
FIGURE2-26
Item
Description
Item
Description
1
Barrel
14
Wiper
2
Rod
15
Rod Seal
3
Head
16
Step Seal
4
Piston
17
Wear Ring
5
Dowel Pin
18
Piston Seal
6
Washer
19
Wear Ring
7
Snap Ring
20
O-ring
8
Cover
21
Backup Ring
9
Distance Sleeve
22
O-ring
10
Linear Sensor
23
Backup Ring
11
Magnetic Bushing
24
O-ring
12
Snap Ring
25
Cap Nut
13
Snap Ring
Fo
r
Reference
Only