Loader Bobcat 773. Manual - part 59

AXLE, BEARING AND SPROCKET (Cont’d)

Removal And Installation (Cont’d)

Use the bearing cup installation tools (Item 1) [A] and
(Item 1) [B] and the long threaded rod (Item 2) [B] from
the service set to install the inner and outer bearing cups.

Put the inner bearing cup in the axle tube (Item 2) [A].

Put the installation tool (Item 1) [A] in the axle tube.

Install the long threaded rod (Item 2) [B] into the axle tube
and through the installation tool (Item 1) [A].

Secure the tool to the threaded rod with a nut (Item 3) [A].

Put the installation tool (Item 1) [B] in the axle tube with
the threaded rod through the hole in the tool.

Secure the tool to the threaded rod with a nut [B].

Hold the inside nut (Item 3) [A] with a wrench and tighten
the outside nut as shown in photo [B].

Tighten the nut until the bearing cup is seated.

To install the outer bearing cup, use the short rod and the
bearing cup tool used for removing the bearing cups.

Put the bearing cup tool on the short rod.

Put the bearing cup in the axle tube and put the tool into
the tube over the bearing cup [C].

Hit the short rod with a hammer until the bearing cup is
seated inside the axle tube.

A

P–04174

2

3

1

C

P–04173

–4–24–

773 BICS Loader

Service Manual

B

P–04164

1

2

DO NOT exceed the recommended torque of
130 ft.–lbs. (176 Nm.) The tool may fail under too
much torque. Put cloth around the tool to
protect yourself from flying debris.

W–2233–0296

DRIVE CHAIN

Removal And Installation

NOTE: It may be necessary to tie the front drive

chain up as shown in photo [B], so the
carrier/motor assembly can be moved
enough to free the rear drive chain (Item 1) [B]
from the sprocket.

Remove the front drive chain from the chaincase.

The tool listed is needed for the following procedure:

MEL1037 – Chain Link Tool

Installation: If a new chain is installed, a connector link
must be used to connect the chain together.

Use MEL1037 Chain Link Tool and #80 chain adapter.

Secure the tool and place the connector link in the tool as
shown [C].

Turn the threaded rod of the tool and press the connector
link together on the chain [C]. Tighten the threaded rod of
the chain link tool to 130 ft.–lbs. (176 Nm) torque.

Raise the loader lift arms and install an approved lift arm
support device. (See Page 1–1.)

Lift and block the loader. (See Page 1–1.)

Raise the loader operator cab. (See Page 1–1.)

Drain the fluid from the chaincase. (See Page 4–8.)

Remove the engine speed control. (See Page 7–1.)

Remove the control panel. (See Page 3–1.)

Remove the traction lock assembly. (See Page 8–1.)

Remove the center chaincase cover. (See Page 4–9.)

Remove the front (or rear) chaincase cover. (See Page
4–10.)

Remove the front (or rear) axle and sprocket. (See Page
4–21.)

Remove the parking brake disc (Item 1) [A]. (See Page
4–4.)

Remove the six carrier mounting bolts (Item 2) [A] from
inside the chaincase.

Installation: Tighten the motor carrier mounting bolts to
125–140 ft.–lbs. (170–190 Nm) torque.

Tip the end of the sprocket on the motor carrier toward the
rear of the loader and remove the rear drive chain from the
sprocket.

Never work on a machine with the lift arms up
unless the lift arms are secured by an approved
lift arm support device. Failure to use an
approved lift arm support device can allow the
lift arms or attachment to fall and cause injury
or death.

W–2059–0598

Revised Jan. 99

A

P–04152

1

2

C

B–13504

773 BICS Loader

–4–25–

Service Manual

B

P–04167

1

MAIN
FRAME

773 BICS Loader

–5–1–

Service Manual

MAIN FRAME

BOB–TACH

Bob–Tach Stops

5–19

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Bob–Tach Lever And Wedge

5–18

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Removal And Installation

5–16

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

FUEL TANK

Fuel Level Sender

5–26

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Removal And Installation

5–25

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

LIFT ARM LINK

Removal And Installation

5–22

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

LIFT ARMS

Removal And Installation

5–20

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

OPERATOR CAB

Removal And Installation

5–13

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

OPERATOR CAB GAS CYLINDER

Disassembly And Assembly

5–12

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Removal And Installation

5–11

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

OPERATOR SEAT

Removal And Installation

5–15

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

REAR DOOR

Bumper Removal And Installation (2 piece door)

5–29

. . . . . . . . . . . . . . . . . . 

Door Latch Removal And Installation

5–29

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Door Latch And Catch Adjustment

5–30

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Hood Removal And Installation (2 piece door)

5–29

. . . . . . . . . . . . . . . . . . . . 

Removal And Installation (2 piece door)

5–27

. . . . . . . . . . . . . . . . . . . . . . . . . . 

Removal And Installation (1 piece door)

5–28

. . . . . . . . . . . . . . . . . . . . . . . . . . 

REAR GRILL

Removal And Installation

5–24

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

REAR LIGHTS

Removal And Installation

5–31

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

SEAT BAR (W/COMPRESSION SPRINGS)

Assembling Components

5–10

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Compression Spring Disassembly And Assembly

5–10

. . . . . . . . . . . . . . . . . . 

Removal And Installation

5–7

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

SEAT BAR (W/GAS CYLINDER)

Assembly

5–5

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Compressing The Gas Cylinder

5–6

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

Removal And Installation

5–3

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

TIGHTEN ALL HARDWARE PER SIZE TO GRADE 5 TORQUE (SEE
STANDARD TORQUE SPECIFICATIONS FOR BOLTS, SECTION 9)
UNLESS OTHERWISE SPECIFIED.

Page

Number

Revised Jan. 99

SEAT BAR (W/GAS CYLINDER)

Removal And Installation

The tool listed is needed for the following procedure:

MEL1426 – Gas Spring Retainer Tool

Lower the operator seat bar.

Install the gas spring retainer tool on the gas cylinder
(Item 1) [A].

Install the end of the tool that is bent at a 90

°

 angle in the

clevis of the cylinder as shown [B].

Install the curved end of the tool on the base end of the
gas cylinder.

Secure the tool to the gas cylinder with a hose clamp
(Item 2) [A].

Remove the cotter pin (Item 1) [B] from the clevis pin.

Remove the clevis pin (Item 1) [C] from the gas cylinder.

Use a 17/32 inch tappet wrench (Item 1) [D] to hold the
ball joint on the gas cylinder.

Remove the mounting nut from the ball joint [D].

Installation: Be careful not to overtighten the mounting
nut on the ball joint.

Remove the gas cylinder from the seat bar.

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

W–2113–0288

Replace the gas cylinder if it malfunctions.

A

P–03978

2

1

C

P–03979

1

D

P–03249

1

773 BICS Loader

–5–3–

Service Manual

B

P–03248

1