Reelmaster 6500-D/6700-DHydraulic System Page 4 - 58
Servo Control
1
23
4
5
4
6
7
8
9
16
17
18
19
20
21
22
23
24
10
12
13
14
15
11
Figure 33
1. Plug
2. O-ring
3. Retaining Ring
4. Spring Retainer
5. Spring
6. Spool Valve
7. Control Housing
8. Input Shaft
9. O-ring
10. Wiper Seal
11. O-ring
12. Adapter
13. Ball
14. Pin
15. Neutral Lockout Switch
16. O-ring
17. Set Screw
18. Set Screw
19. Pin
20. Retaining Ring
21. Link
22. Dowel Pin
23. Bell Crank
24. Set Screw
Disassembly (Fig. 33)
1. Remove wiper seal (10) with screw driver. Remove
set screw (18) and input shaft (8).
2. Remove set screw (24) and plug (1).
3. Remove retaining ring (20). Remove pin (22), feed-
back link (21), valve spool (6), and bell crank (23) from
control housing.
4. Compress spring (5) and remove retaining ring (3),
spring retainer (4), spring (5), and second spring retain-
er (4) from valve spool.
5. Remove O-rings (2 & 9) from plug and input shaft.
Clean all parts and lubricate in prep for reassembly.
Assembly (Fig. 33)
1. Install spring retainer (4), spring (5), and second
spring retainer (4) onto spool. Compress spring and
install retaining ring (3).
2. Slide valve spool into control housing making sure
that metering notches on valve spool can be seen in the
metering ports.
3. Position bell crank (23) in housing. Slide feedback
link (21) into position between clevis on valve spool.
Align holes and install dowel pin (22) and retaining ring
(20).
4. Install new O-ring (9) onto input shaft. Hold bell c rank
(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 and bell crank (23).
