Loader Bobcat 773. Service Manual - part 23

CONTROL VALVE (S/N 509640660 & Above, S/N
509616542 & Above) (Cont’d)

Lift Spool And Detent (Cont’d)

Disassembly (Cont’d)

Remove the spool assembly from the control valve [A].

Remove the spool seal (Item 1) [B] from the control valve.

Clamp the linkage end of the spool in a vise.

NOTE: Use care when removing the detent adapter

as it is under spring pressure.

Loosen the detent adapter (Item 1) [C].

Remove the detent adapter (Item 1) [D], collar (Item 2)
[D], spring (Item 3) [D] and washer (Item 4) [D].

A

P–08986

C

P–08988

1

D

P–08989

1

2

3

4

–2–38–

773 BICS Loader

Service Manual

B

P–08987

1

CONTROL VALVE (S/N 509640660 & Above, S/N
509616542 & Above) (Cont’d)

Lift Spool And Detent (Cont’d)

Disassembly (Cont’d)

Remove the bushing (Item 1) [A] and seal (Item 2) [A]
from the spool.

Wrap a shop towel around the detent adapter and collar.
This will prevent the detent balls and spring from being
lost when the detent adapter is removed from the collar.

Remove the detent adapter (Item 1) [B], detent balls
(Item 2) [B] and spring (Item 3) [B] from the collar (Item
4) [B].

Remove the stud from the end of the spool [C].

Removal of the plastic plug:

Make a center point in the plug using a 1/16 inch drill.

Drill a hole all the way through the plug using a 7/64 inch
tap drill.

Turn a 6–32 tap into the plug. Pull the tap and plug out of
the spool. Be careful, do not break the tap.

Clean all the debris from inside the spool bore.

NOTE: DO NOT USE LOCTITE ON THE STUD

THREADS.

Installation: Slide the O–ring over the nipple on the
plastic plug. Install the plastic plug in the spool. Install the
stud so that the end is about 0.600 inch (15,2 mm) from
the spool [D].

A

P–08990

1

2

C

CD–15048

D

B–14712

0.600’’

(15,2 mm)

Plastic Plug

O–ring

773 BICS Loader

–2–39–

Service Manual

B

P–08991

3

1

4

2

2

CONTROL VALVE (S/N 509640660 & Above, S/N
509616542 & Above) (Cont’d)

Tilt Spool And Centering Spring

Disassembly

Remove the two bolts (Item 1) [A] from the rubber boot
retainer on the tilt spool.

Remove the rubber boot (Item 1) [B] and retainer (Item
2) [B] from the tilt spool.

Remove the bushing (Item 1) [C] and O–ring (Item 2) [C].

Remove the two end cap bolts (Item 1) [D] and the end
cap (Item 2) [D].

A

P–08992

1

1

C

P–08994

2

1

D

P–08995

1

1

2

–2–40–

773 BICS Loader

Service Manual

B

P–08993

1

2

CONTROL VALVE (S/N 509640660 & Above, S/N
509616542 & Above) (Cont’d)

Tilt Spool And Centering Spring (Cont’d)

Disassembly (Cont’d)

Remove the spool assembly [A].

Remove the spool seal (Item 1) [B] from the actuating end
of the spool.

Clamp the actuating end of the spool in a vise.

NOTE: Use care when removing the centering

spring bolt as it is under spring pressure.

Remove the centering spring bolt (Item 1) [C] & [D].

Remove the adapter (Item 2) [D], collar (Item 3) [D],
spring (Item 4) [D] and washer (Item 5) [D].

Remove the bushing (Item 6) [D] and seal (Item 7) [D]
from the spool.

A

P–08996

C

P–08998

1

D

P–08999

1

2

3

4

5

6

7

773 BICS Loader

–2–41–

Service Manual

B

P–08997

1