Toro 4540 Lawn Mower User Manual


 
Greensmaster 3320/3420Page 7 -- 24Chassis
Cutting Unit Suspension Service
1. Pivot mount
2. Lower A--arm
3. Ball joint (6 used)
4. Retaining ring (6 used)
5. Striker plate
6. Pop rivet (2 used)
7. Steering stop
8. Flange head screw (5 used)
9. Clamp (6 used)
10. Flange head screw (8 used)
11. Upper A--arm
12. Lift plate
13. Flange head screw (2 used)
14. Cap screw (4 used)
15. Retaining ring (6 used)
16. Counterbalance tensioner arm
17. Pin
18. Retaining ring
19. Flange nut (4 used)
20. Steering head
21. Flange bushing (4 used)
22. Grommet
23. Counterbalance mount
24. Counterbalance spring (3 used)
25. Cotter pin
26. Clevis pin
Figure 20
1
2
3
4
5
7
9
10
11
12
13
20
23
17
16
18
21
3
9
3
4
4
8
8
9
14
14
19
24
21
6
15
15
15
15
22
67 to 83 ft--lb
(91 to 112 N--m)
FRONT
RIGHT
25
26
NOTE: Three (3) identical cutting unit suspension as-
semblies are usedon Greensmaster TriFlex Hybrid ma-
chines. The cutting unit attaches to the crossarm
assembly which isattached tothefront ofthecuttingunit
suspension assembly. See Cutting Unit Suspension
Crossarm Assembly in this section for information re-
garding service of the crossarm assembly.