Toro Reelmaster 3100-D Service Manual page 205

1. Check poppet
2. Grooved plunger
3. Spacer
4. Spool
5. Seat
6. Solid plug
7. Seat retaining plug with port
8. Bushing
9. Check spring
10. Spool cap
Disassembling the Control Valve
Inspecting the Control Valve
Reelmaster ® 3100-D/3105-D
20252SL Rev A
Figure 99 (continued)
11. Valve body
12. O-ring
13. Retaining ring
14. Washer
15. Seat retaining plug
16. Spool spring
17. Disc
18. Plug
19. Detent plug
20. Wiper seal
1. Plug all ports and clean the outside of the valve thoroughly.
Match mark spools to their associated bores. Spools must be
reinstalled to the bore from which they were removed.
2. Remove both spool caps and slide the spool assemblies from their bores.
3. Remove O−ring and bushing from each spool assembly.
4. Remove wiper seals O−rings from the spool bore ends that are opposite
the spool caps.
Note: Disassemble spool assemblies only if the retaining ring, spacer, spring,
or washer need replacing.
5. Remove seat retaining plugs, back−up washers, O− rings, and check springs
from the valve body.
6. Remove check poppets, seats, O−rings, and plungers from the valve body.
7. Remove solid plug, back−up washer, and O−ring from the opposite end of
the plunger.
8. Remove plug and O−ring from the top of the valve body next to the detent
plug.
9. Remove detent plug and O−ring from the valve body. Remove disc spring,
and detent plunger from the body
1. Inspect spools and spool bores for wear. If wear is excessive, replace valve
with new one.
2. Inspect springs and replace as necessary.
3. Inspect plunger, detent plunger, and check poppet for wear. Replace as
necessary.
4. Inspect seat, spacer, and bushing for wear. Replace as necessary.
5. Inspect disc and washer. Replace as necessary.
6. Inspect cap and plugs for damaged threads and O− ring sealing surfaces.
Replace as necessary.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
IMPORTANT
Page 5–129
Plunger
Plunger detent
Detent spring
O-ring
O-ring
Back-up washer
O-ring
O-ring
O-ring
Back-up washer
Hydraulic System: Service and Repairs