Servo Control - Toro Reelmaster 6500–D Service Manual

Servo Control

1
2 3
1. Plug
2. O–Ring
3. Retaining Ring
4. Spring Retainer
5. Spring
6. Spool Valve
7. Control Housing
8. Input Shaft
Disassembly – Manual Servo Control Assembly
1. Remove wiper seal (10) with screw driver. Remove
set screw (18) retaining input shaft (8) and remove input
shaft from control housing (7).
2. Remove set screw (24) from plug (1) retaining valve
spool (6) and remove plug.
3. Remove E–ring (20) from pin (22) retaining feedback
link (21) and valve spool (6). Remove pin (22), feedback
link (21), valve spool (6), and bell crank (23) from control
housing (7).
4. Compress spring (5) and remove E–ring (3), spring
retainer (4), spring (5), and second spring retainer (4)
from valve spool (6).
5. Remove o–rings (2 & 9) from plug (1) and input shaft
(8). Clean all parts and lubricate in prep for reassembly.
Reelmaster 6500–D/6700–D
4
5
4
6
7
24
23
22
21
20
Figure 26
9. O–Ring
10. Wiper Seal
11. O–Ring
12. Adaptor
13. Ball
14. Pin
15. Switch
16. O–Ring
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10
12
9
11
8
18
19
17. Set Screw
18. Set Screw
19. Pin
20. Retaining Ring
21. Link
22. Dowel Pin
23. Bell Crank
24. Set Screw
Reassembly – Manual Servo Control Assembly
1. Install spring retainer (4), spring (5), and second
spring retainer (4) onto spool (6). Compress spring with
retainer and retain with E–ring (3) onto valve spool (6).
2. Install valve spool (6) into control housing (7) making
sure that metering notches on valve spool can be seen
in the metering ports.
3. Position bell crank (23) in housing (7). Slide feedback
link (21) into position between clevis on valve spool,
aligning holes, and install dowel pin (22) retaining with
E–ring (20).
4. Install new o–ring (9) onto input shaft (8). Hold bell
crank (23) in position with feedback link slot and align
splined hole of bell crank with input shaft cavity. Install
input shaft (8) into control housing (7) and bell crank
(23).
15
14
13
16
17
T–2119
Hydraulic System