Loader Bobcat 773. Manual — part 19

BICS

™

VALVE (S/N 509640660 & Above, S/N

509616542 & Above) (Cont’d)

Check Valve (Cont’d)

Disassembly (Cont’d)

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

Clean and inspect the screen (Item 1) [B] on the end of
the valve.

Lock Valve

Disassembly

Remove the lock valves (Item 1) [C] from the BICS

™

valve.

Remove the O–rings (Item 1) [D] and back–up rings (Item
2) [D] from both the tilt and lift lock valves.

A

P–08955

2

1

C

P–08957

1

1

D

P–08958

1

1

2

2

2

–2–22–

773 BICS Loader

Service Manual

B

P–08956

1

BICS

™

VALVE (S/N 509640660 & Above, S/N

509616542 & Above) (Cont’d)

BICS

™

Valve Solenoid

Disassembly

Remove the mounting nut (Item 1) [A] from the solenoid
cartridge.

Remove the solenoid (Item 2) [A].

Remove the O–rings (Item 1) [B] from both ends of the
solenoid.

Remove the solenoid cartridge (Item 1) [C].

Remove the O–rings (Item 1) [D] and back–up rings (Item
2) [D] from the solenoid cartridge.

NOTE: The solenoid resistance value is (8–10

ohms).

A

P–08959

1

2

C

P–08961

1

D

P–08962

2

1

773 BICS Loader

–2–23–

Service Manual

B

P–08960

1

1

BICS

™

VALVE (S/N 509640660 & Above, S/N

509616542 & Above) (Cont’d)

BICS

™

Valve Solenoid (Cont’d)

Assembly

Clean all parts in solvent and dry with compressed air.
Inspect all parts for wear and replace any showing
excessive wear.

NOTE: Do not over torque the mount nut or the

solenoid may not function correctly.

Use only new O–rings and apply oil to all O–rings and
back–up rings before installation.

Install new O–rings (Item 1) [A] and new back–up rings
(Item 2) [A] on the solenoid cartridge.

Install the solenoid cartridge (Item 1) [B].

Tighten the cartridge (Item 1) [B] to 20 ft.–lbs. (27 Nm )
torque.

Install new O–rings (Item 1) [C] on both ends of the
solenoid.

Install the solenoid (Item 1) [D] on the cartridge.

Install the mounting nut (Item 2) [D] on the cartridge.

Tighten the mounting nut to 53 in.–lbs. (6 Nm) torque.

NOTE: The screen (Item 3) [A] may be cleaned with

solvent. If it is torn or worn it needs to be
replaced.

A

P–08962

2

1

3

C

P–08960

1

1

D

P–08959

2

1

–2–24–

773 BICS Loader

Service Manual

B

P–08961

1

BICS

™

VALVE (S/N 509640660 & Above, S/N

509616542 & Above) (Cont’d)

Lock Valve

Assembly

Install new O–rings (Item 1) [A] and back–up rings (Item
2) [A] on the tilt and lift lock valves.

Install the lock valves (Item 1) [B]. Tighten the lock valves
to 25 ft.–lbs. (34 Nm) torque.

Check Valve

Assembly

Install new O–rings (Item 1) [C] and back–up ring (Item
2) [C] on the check valve.

Check valve (Item 3) [C] has a rating of 5–10 PSI.

Install the check valve (Item 1) [D].

Tighten the valve to 20 ft.–lbs. (27 Nm) torque.

A

P–08958

1

1

2

2

2

C

P–08955

1

2

3

D

P–08954

1

773 BICS Loader

–2–25–

Service Manual

773 Service Manual #6900092–Hydraulic System Section Part 1 of 4

B

P–08957

1

1