Loader Bobcat 773. Instruction - page 40

STEERING LINKAGE (Cont’d)

Steering Neutral Adjustment

The following tool listed will be needed to do the follwoing
procedure:

MEL1429A – Remote Start Switch

Connect the remote start switch to the engine harness.
(See Page 1–1.)

Put jackstands under the front axles and rear
corners of the frame before running the engine
for service. Failure to use jackstands can allow
the machine to fall or move and cause injury or
death.

W–2017–0286

Loosen the nut (Item 1) [A] a couple of turns, then loosen
the bolt (Item 2) [A]. The bolt (Item 2) [A] is threaded into
the linkage bars (Items 3 & 4) [A].

The bolt (Item 2) [A] must be loose enough to allow the
torsion bushing to turn freely between the pintle arm and
the linkage bar.

Loosen the four bolts (Item 1) [B] holding the two
centering blocks. Move the right hand centering block to
the right as far as possible.

NOTE: Bolt holes (Item 2) [B] are slotted for pintle

arm centering adjustment.

Adjust the left hand centering block first [C].

Start the engine and run at high RPM.

Move the traction lock override switch (Item 1) [D] to the
OFF position so the traction function is unlocked. The
wheels are now able to turn.

Move the left hand steering lever until the tires do not turn
(neutral position).

Move the left hand centering block to the left until it
contacts both pintle cams and the steering lever is still in
the neutral position [C].

Tighten the bolts to 25–28 ft.–lbs. (34–38 Nm) torque.

NOTE: If the centering blocks are worn, they can be

removed and rotated 180 degrees and
reinstalled. If the cams are worn, they can be
loosened and rotated 90 degrees and
reinstalled.

Revised May 98

D

P–04714

1

A

P–03726

3

2

1

4

C

P–03725

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773 BICS Loader

Service Manual

B

P–03731

1

1

2

2

STEERING LINKAGE (Cont’d)

Steering Neutral Adjustment (Cont’d)

Adjust the right hand centering block [A].

Move the right hand steering lever until the tires do not
turn (neutral position).

Move the right hand centering block to the left until it
contacts both pintle cams and the steering lever is still in
the neutral position [A].

Tighten the bolts to 25–28 ft.–lbs. (34–38 Nm) torque.

Test both levers by moving them backward and forward
and letting them return to neutral by the return spring
force.

If the levers do not return to neutral and the tires do not
come to a complete stop, repeat the adjustment
procedure again.

Stop the engine.

Tighten the two bolts (Item 1) [B] to 11–13 ft.–lbs. (15–17
Nm) torque, then tighten the two nuts (Item 2) [B] to
21–25 ft.–lbs. (28–33 Nm) torque.

Revised May 98

Tighten the two bolts to 11–13 ft.–lbs. (15–17 Nm) torque,
then tighten the two nuts to 21–25 ft.–lbs. (28–33 Nm)
torque at the steering cross shaft (Items 1 & 2) [C].

Remove the service shield. Install the fan drive belt.

Install both access covers.

A

P–03732

C

P–04069

1

2

773 BICS Loader

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Service Manual

B

P–03726

3

2

1

4

HYDROSTATIC DRIVE MOTOR

Removal And Installation

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

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

Remove the front and rear wheel/tire assemblies. (See
Page 1–1.)

Remove the control panel. (See Page 3–5.)

Remove the four motor cover mounting bolts (Item 1) [A].

Mark the two hoses (Item 1) [B] before disconnecting
them from the hydrostatic drive motor for correct
installation.

NOTE: Photo may appear different, but the

procedure is the same.

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

Always clean up spilled fuel or oil. Keep heat,
flames, sparks or lighted tobacco away from
fuel and oil. Failure to use care around
combustibles can cause explosion or fire
which can result in injury or death.

W–2103–1285

Remove the two hoses (Item 1) [B] from the drive motor.

Remove the drain hose (Item 2) [B] from the drive motor.

Remove the four drive motor mounting bolts (Item 1) [C].

Installation: Tighten the drive motor mounting bolts to
90–100 ft.–lbs. (122–136 Nm) torque.

Remove the drive motor from the access hole in the
loader frame [D].

Reverse the removal procedure to install the hydrostatic
drive motor.

Revised Jan. 99

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

A

P–04142

1

C

P–04148

1

D

P–04141

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773 BICS Loader

Service Manual

B

P–04145

2

1

Ref.

Description

Ref.

Description

1.

PLUG

16.

O–RING

2.

O–RING

17.

SEAL, outer

3.

SHUTTLE

18.

SEAL, inner

4.

SPRING

19.

PLATE, balancing

5.

POPPET

20.

VALVE

6.

PLUG

21.

PLATE, valve

7.

O–RING

22.

O–RING

8.

HOUSING

23.

SHAFT

9.

PISTON

24.

O–RING

10.

PLUG

25.

GEROLER

11.

O–RING

26.

SHAFT

12.

BOLT

27.

FLANGE

13.

BOLT

28.

SEAL

14.

SPRING

29.

BUSHING, bronze

15.

O–RING

D–01443

HYDROSTATIC DRIVE MOTOR (Cont’d)

Parts Identification – (S/N 509639898 & Below & S/N 509616504 & Below)

1

3

5

2

4

14

15

6

7

9

4

11

10

13

12

15

8

23

22

21

20

19

18

17

16

14

24

25

24

24

26

22

27

28

29

24

5

3

773 BICS Loader

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Service Manual

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