Toro Multi Pro 1750 - Spray Pump Service

Multi Pro 1750Page 6 − 14Spray System
Spray Pump Service
1. Hex bolt (18)
2. Hex bolt (6)
3. Pump bracket
4. Valve cover (6)
5. Hex bolt (6)
6. Diaphragm disc (6)
7. Diaphragm (6)
8. Diaphragm backing disc (6)
9. Connecting rod (6)
10. O−ring (12)
11. Pump valve (10)
12. Seal (2)
13. Plug (2)
14. Oil seal (2)
15. Hex bolt (4)
16. Pump housing
17. Pump foot
18. Ball bearing (2)
19. Grease fitting
20. Crank shaft
21. Metal spacer (2)
22. Ball bearing (2)
23. Counterbalance
24. Counterbalance
25. Allen bolt (3)
26. Pump valve (with hole) (2)
27. Hex bolt (3)
28. Pump casting
Figure 5
2
3
6
8
9
10
11
13
1
5
7
12
14
15
16
17
18
19
20
4
21
22
23
24
25
26
27
28
18
21
22
25
15
14
13
12
10
2
50 ft−lb
(70 N−m)
45 ft−lb
(60 N−m)
50 ft−lb
(70 N−m)
60 to 72 ft−lb
(82 to 97 N−m)
NOTE: Many spray pump components can be easily
reversed. During disassembly, make note of component
position (e.g. valve cover, pump valve, diaphragm) to
assure correct assembly.