Toro Reelmaster 3100-D Service Manual page 206

Assembling the Control Valve
Hydraulic System: Service and Repairs
Do not wipe parts with paper towels or rags. Lint may cause damage
to the hydraulic system.
Use eye protection such as goggles when using compressed air.
1. Clean all metal parts with solvent and blow dry with compressed air.
2. Replace check poppets, O−rings, and back−up washers with new ones.
3. Install new O−rings into the valve body.
4. Slide bushings and new O−rings over the spools.
5. If a spool was disassembled, install washer, spool spring, spacer, and
retaining ring to the spool.
6. Lubricate spools liberally with clean hydraulic fluid and install into their proper
bore.
7. Install spool caps into valve body. Torque caps from 27 to 34 N·m (20 to
25 ft−lb).
8. Lubricate both plungers liberally with clean hydraulic fluid and install into
their proper bore.
9. Install new O−rings, seats, check poppets, and check springs into the
plunger bores.
10. Install O−rings, back−up washers, and seat retaining plugs into their plunger
bores. Torque both plugs from 41 to 48 N·m (30 to 35 ft−lb).
11. Install new O−ring, back−up washer, and solid plug into the bore with the
grooved plunger. Torque plug from 41 to 48 N·m (30 to 35 ft−lb).
12. Install new O−ring, seat, check poppet, check spring, new O−ring, back−up
washer, and seat retaining plug into the bore with the plunger. Torque plug
from 41 to 48 N·m (30 to 35 ft−lb).
13. Install O−ring and plug into the top of the valve body next to the detent plug
bore. Torque plug from 14 to 16 N·m (10 to 12 ft−lb).
14. Lubricate plunger detent, spring, and disc liberally with clean hydraulic fluid
and install into its valve body bore.
15. Install O−ring and detent plug into its proper bore. Torque plug from 41 to 57
N·m (30 to 42 ft−lb).
IMPORTANT
CAUTION
Page 5–130 Reelmaster ® 3100-D/3105-D
20252SL Rev A