Loader Bobcat 773. Instruction - page 22

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

Main Relief Valve (Cont’d)

Disassembly (Cont’d)

Remove the glid ring (Item 1) [A] & [B] from the main relief
valve.

Remove the O–rings (Item 2) [B] and back–up ring (Item
3) [B] from the main relief valve.

Port Relief Valve

Disassembly

Remove the port relief valve (Item 1) [C].

Remove the O–rings (Item 1) [D] and back–up ring (Item
2) [D] from the port relief valve.

A

P–08970

1

C

P–08972

1

D

P–08973

E–01509

1

1

2

2

1

–2–34–

773 BICS Loader

Service Manual

B

P–08971

B–6764

1

2

3

2

2

3

1

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

Anti–Cavitation Valve

Disassembly

Remove the anti–cavitation valve (Item 1) [A] from the
control valve tilt section.

Remove the anti–cavitation valve (Item 1) [B] from the
control valve lift section.

Remove the O–rings (Item 1) [C] and back–up ring (Item
2) [C] from the anti–cavitation valves.

Remove the plug (Item 1) [D] from the tilt section.

NOTE: On later models only this port may contain an

available 3500 PSI port relief valve for the rod
end of the tilt section.

NOTE: The anti–cavitation valve (Item 1) [A] is

standard on the control valve. The available
3500 PSI anti–cavitation/port relief looks like
a port relief valve. (See Page 2–34.)

Revised May 98

A

P–08974

1

C

P–08976

E–01509

1

2

1

2

D

P–08977

1

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–2–35–

Service Manual

B

P–08975

1

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

Anti–Cavitation Valve (Cont’d)

Disassembly (Cont’d)

Remove the O–rings (Item 1) [A] and back–up ring (Item
2) [A] from the plug.

Rubber Boot

Disassembly

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

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

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

A

P–08978

2

1

E–01509

2

1

C

P–08980

2

1

D

P–08981

2

1

–2–36–

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Service Manual

B

P–08979

1

1

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

Lift Spool And Detent

Disassembly

Remove the snap ring (Item 1) [A] and washer (Item 2)
[A].

Remove the two bolts (Item 1) [B] from the detent bonnet.

Remove the bonnet.

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

I–2012–0284

Wrap a shop towel around the detent assembly. This will
prevent the detent balls and spring from being lost when
the detent sleeve is removed [C].

Remove the detent sleeve (Item 1) [D], detent balls (Item
2) [D] and spring (Item 3) [D].

A

P–08982

2

1

C

P–08984

D

P–08985

2

1

3

2

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–2–37–

Service Manual

B

P–08983

1

1

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