Loader Bobcat 773. Manual - part 60

SEAT BAR (W/GAS CYLINDER) (Cont’d)

Removal And Installation (Cont’d)

Disconnect the seat bar sensor connector (Item 1) [A].

Remove the seat bar mounting bolt (Item 1) [B] (both
sides).

Installation:  Tighten the seat bar mounting bolts to
25–28 ft.–lbs. (34–38 Nm) torque.

Remove the seat bar sensor mounting bolt (Item 2) [B]
and nut.

Installation: Tighten the sensor mounting bolt to 80–90
in.–lbs. (9–10 Nm) torque.

Remove the sensor assembly from the magnetic bushing
on the seat bar.

Installation:  Be sure the two tabs on the pivot bushing
are located in the slot on the cab as shown (Item1) [C].

Pull both ends of the seat bar which are mounted to the
operator cab, back from the mounting positions on the
operator cab [D].

Remove the magnetic bushing mounting bolt, washer,
magnetic bushing, plastic bushing and pivot bushing from
the seat bar [D]. (Refer to Page 8–1 for correct assembly
procedure of the seat bar sensor assembly.)

Remove the mounting bolt, gas cylinder mounting
bracket, plastic bushing and pivot bushing from the seat
bar  [D]. (Refer to Page 5–5 for correct assembly
procedure of the gas cylinder mounting assembly.)

Revised May 98

A

P–04702

1

C

P–03247

1

D

P–03983

P–03982

–5–4–

773 BICS Loader

Service Manual

B

P–03246

1

2

SEAT BAR (W/GAS CYLINDER) (Cont’d)

Removal And Installation (Cont’d)

To remove the seat bar from the operator cab, the seat bar
needs to be put in the correct location.

Use the squares in the right side of the operator cab side
screen to locate the seat bar correct [A].

Put the padded corner of the seat bar five squares back
from the front of the operator cab side screen and four
squares up from the bottom of the screen [A].

The arm of the seat bar (Item 1) [B] should also be located
outside of the operator cab, just below the bottom edge
of the cab.

Grab both ends of the seat bar as shown and pull the left
side of the seat bar out of the operator cab until the seat
bar is free [B].

Remove the seat bar from the operator cab.

Reverse removal procedure to install the seat bar.

See the following assembly procedure when installing the
seat bar.

Assembly

Assemble the parts as shown for the left side of the seat
bar pivot assembly [C]:

Mounting Bolt (Item 1)
Washer (Item 2)
Keyed Plastic Bushing (Item 3)

Magnetic Bushing Assembly (Item 4)

Sensor Bracket (Item 5)
Pivot Bushing (Item 6)
Mounting Bolt (Item 7)
Sensor Mounting Bolt (Item 8)
Sensor Mounting Nut (Item 9)

A

P–03984

C

P–03284

7

6

3

2

1

8

5

4

Left Side

of Seat Bar

9

773 BICS Loader

–5–5–

Service Manual

B

P–04065

1

SEAT BAR (W/GAS CYLINDER) (Cont’d)

Assembly (Cont’d)

Assemble the parts as shown for the right side of the seat
bar pivot assembly [A]:

Mounting Bolt (Item 1)
Pivot Bushing (Item 2)
Keyed Plastic Bushing (Item 3)
Gas Spring Mounting Bracket (Item 4)
Mounting Bolt (Item 5)

Install the right side pivot assembly as shown. Tighten the
mounting bolt (Item 1) [B] to 180–200 in.–lbs. (21–23 Nm)
torque.

NOTE: Be sure the bend in the gas spring bracket

faces in toward the operator when installing
the gas spring bracket. Slide the bracket all
the way forward so the front edge of the
bracket fits tightly against the operator cab.

Compressing The Gas Cylinder

To compress the seat bar gas spring, it is necessary to
use the gas spring retainer tool MEL1426.

Use the following procedure to compress the gas spring.

Cylinder contains high pressure gas. Do not
open. Opening cylinder can release rod and
cause injury or death.

W–2113–0288

Open the rear door of the loader and install the gas spring
(Item 1 [C] – ball stud end) in the hole located in the loader
frame.

NOTE: Install the ball stud threads up through the

hole and install a nut (Item 2) [C] on the ball
stud.

Put the clevis end of the gas cylinder on the edge of the
rear door as shown and install a vise grip (Item 3) [C] on
the bottom edge of the door to keep the gas cylinder from
sliding along the edge.

Pull the door in and compress the gas cylinder [D].

Install the retainer tool (Item 1) [D] with the 90

°

 bend in

the clevis of the rod end of the gas cylinder. Install the
curved end of the tool around the base end of the gas
spring.

Install the clamp (Item 2) [D] around the gas cylinder to
hold the retainer tool in place. Remove the nut and
remove the gas spring from the rear door.

A

P–03289

4

Right Side

of Seat Bar

3

2

1

5

C

P–03285

2

1

3

D

P–03288

2

1

–5–6–

773 BICS Loader

Service Manual

B

P–03319

1

SEAT BAR (W/COMPRESSION SPRINGS)

Removal And Installation

Lower the seat bar (Item 1) [A] so the compression
springs (Item 2) [A] will be in a down position.

Loosen the adjustment lock nut (Item 1) [B] (both sides).

Turn the bolt (Item 1) [C] into the clevis five turns (both
sides).

Installation:  When properly adjusted the clearance
distance between the bolt head (Item 1) [C] and the seat
bar tab (Item 2) [C] is 1/16 inch (1,58 mm).

Tighten the adjustment lock nut (Item 3) [C] to the clevis.

Repeat above installation procedure for other side.

Remove the retaining pin (Item 1) [D] and clevis pin (both
sides).

NOTE: This adjustment must be made with the seat

bar locked down in operating position.

A

P–09543

2

1

2

D

P–09541

1

773 BICS Loader

–5–7–

Service Manual

B

P–09542

1

C

P–09542

3

1

2

1/16inch 
(1.58mm)