Control Valve No. 4 Spool Detent Replacement (Fig. 30)

NOTE: The control valve assembly must be removed to

 

 

replace this assembly. (See Control Valve Removal and

 

 

 

 

Installation in this section of the book.)

 

 

1. Be sure No. 4 spool is in neutral and remove the

 

 

bonnet, large spring, and stop collar.

 

 

2. Hold one hand in front of detent sleeve and push the

 

 

front of the spool in very slowly until the detent balls pop

 

 

out. Be sure to remove all four (4) balls.

 

 

3. Push the front of the spool in carefully until the holes

 

 

in the detent adapter are just past the edge of the detent

 

 

sleeve.

 

 

IMPORTANT: Do not push the spool too far or the

 

 

rear spool seal may be cut by the spool.

 

Figure 30

4. Hold the front of the spool from turning, insert a drift

1. Bonnet

5. Balls (4)

punch through the holes in the adapter and rotate the

2. Spring

6. Detent adapter

adapter counter-clockwise to remove it from the spool.

3. Stop collar

7. Spring

 

4. Detent sleeve

8. Ball follower

5. Remove the detent sleeve.

 

 

Reassemble With the Following Procedures:

 

 

1. Mount the detent sleeve and the detent adapter. Lock

 

 

the adapter securely to the spool.

 

 

2. Apply a light coat of grease to the adapter holes, insert

 

 

the small spring, the four balls, and the ball follower.

 

 

3. Stand the valve bank assembly up so the front (clevis

 

 

end) of No. 4 spool is facing downward.

 

 

4. Slide the detent sleeve up to the four balls. Apply light

 

 

pressure against the balls with the sleeve. Push against

 

 

the center of the ball follower with a drift punch to allow

 

 

the balls to slip into the adapter holes and the sleeve to

 

 

slide over the assembly.

 

 

IMPORTANT: Do not push spool too far or the rear

 

 

spool seal may be cut by the spool.

 

 

5. Assemble the stop collar, large spring and bonnet to

 

 

the valve body. Check the spool for proper detent op-

 

 

eration and mount the valve bank onto the machine.

 

 

6. Adjust the traction switch. (See Traction Switch Re-

 

 

moval, Installation and Adjustment in the Repairs sec-

 

 

tion of Chapter 5 - Electrical System.)

 

 

Greensmaster® 3100

Page 4 - 49

Repairs

Page 77
Image 77
Toro 3100 manual Control Valve No Spool Detent Replacement Fig, Reassemble With the Following Procedures