Loader Bobcat 773. Manual - part 30

CONTROL VALVE (S/N 509640659 & Below, S/N
509616541 & Below) (Cont’d)

Lift Spool Detent (Cont’d)

Remove the bolts from the detent cap [A].

Assemble: Tighten the bolts to 90–100 in.–lbs.
(10,2–11,3 Nm) torque.

Remove the detent cap [B].

The detent assembly has small springs and
balls. Do not lose these parts during
disassembly and assembly.

I–2012–0284

Put a rag around the detent sleeve [C]

Remove the detent sleeve, detent balls and spring [D].

Revised Jan. 99

A

CD–10812

C

CD–10814

D

CD–10815

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773 BICS Loader

Service Manual

B

CD–10813

CONTROL VALVE (S/N 509640659 & Below, S/N
509616541 & Below) (Cont’d)

Lift Spool Detent (Cont’d)

Remove the spool, centering spring, back–up washer and
spool seal assembly from the control valve [A].

Put the linkage end of the spool in a vise.

NOTE: BE CAREFUL when removing the detent

adapter, because there is spring pressure.

Loosen the detent adapter [B].

Remove the detent adapter, end cap and centering spring
[C].

Remove the back–up washer and spool seal [D].

Revised Jan. 99

A

CD–10816

C

CD–10818

D

CD–10819

773 BICS Loader

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Service Manual

B

CD–10817

CONTROL VALVE (S/N 509640659 & Below, S/N
509616541 & Below) (Cont’d)

Lift Spool Detent (Cont’d)

Lift Spool Only: Remove the stud from the end of the
spool [A].

Removal of the plastic plug:

a.

Make a center point in the plug using a 3/16 inch drill.

b.

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

c.

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

d.

Clean all the debris from the inside of the spool bore.

Assemble: Install the new plastic plug. Install the stud
and leave about 0.600 inch (15,2 mm) sticking out [B].

NOTE: DO NOT USE LOCTITE ON THE STUD

THREADS.

NOTE: Put grease on all detent components

surfaces before assembly.

Install the detent balls and spring into the detent adapter.
Hold the detent balls in position with the tool and install the
detent adapter into the end cap [C].

Install the spool seal, back–up washer, centering spring,
end cap/detent adapter on the valve spool. Tighten the
detent adapter to 90–100 in.–lbs. (10,2–11,3 Nm) torque.

Install the detent balls and spring [D].

Revised Jan. 99

A

CD–10820

C

CD–10821

D

CD–10822

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773 BICS Loader

Service Manual

B

B–09973

Plastic

Plug

0.600’’

(15,2 mm)

CONTROL VALVE (S/N 509640659 & Below, S/N
509616541 & Below) (Cont’d)

Lift Spool Detent (Cont’d)

Hold the detent balls and spring in position with the tool
[A].

Install the detent sleeve over the balls and into position
[B].

Tilt Centering Spring

Remove the end cap bolt [C].

Assemble: Tighten the screws to 90–100 in.–lbs.
(10,2–11,3 Nm) torque.

Remove the end cap [D].

Revised Jan. 99

A

CD–10823

C

CD–10825

D

CD–10826

773 BICS Loader

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Service Manual

B

CD–10824