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Hydraulic Pump Removal and Installation (Fig. 20)
1. Park machine on a level surface, engage parking
brake, open hood and disconnect engine spark plug
wires.
2. Disconnect wires from neutral and pump switches
(Item 31) on hydraulic pump. Label wires for proper
reinstallation.
3. Remove extension spring (Item 17).
4. Disconnect stroke control cable ball joint (Item 43)
from pump lever (Item 30). Disconnect upper and lower
speed adjustment rods from pump lever (see Fig. 14).
5. Loosen belt tension and remove belt from pump
pulley (see Pump Belt Tension Adjustment).
6. Disconnect hydraulic lines from fittings on pump. Put
caps on open lines and fittings to prevent contamination.
Put labels on hydraulic lines for proper reinstallation.
7. Remove locknut (Item 46), capscrew (Item 5) and
washers (Item 47). Remove locknut (Item 54) and cap-
screw (Item 57).
8. Remove pump assembly from pump support
(Item 55) and put pump on a work bench.
9. Loosen jam nuts (Item 3) and set screws (Item 2).
Remove pulley (Item 4) from pump shaft.
10. Remove pump mount (Item 6) from pump.
11. Loosen locknuts (Item 36) and remove roll pin
(Item 34). Pull pump lever (Item 30) off of pump control
shaft.
12. Remove hydraulic fittings from pump and plug ports.
13. Reverse steps 2 - 12 to install pump.
1
2
3
4
5
26
27
28
29
30
22
24
25
6
7
8
9
10
23
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
54
11
12
13
14
15
16
17
18
19
20
19
13
55
51
41
47
5
56
57
59
47
14
53
52
50
Figure 20
Hydroject 3010 Page 4 - 15 Repairs