Loader Bobcat 773. Instruction - page 116

CONTROL HANDLE (ADVANCED HAND CONTROL)
(AHC) (Cont’d)

AHC Steering Lever Removal And Installation

Remove the handle control unit. (See Page 10–19.)

Remove the switch handle from the steering lever. (See
Page 10–22.)

Remove the handle from the steering lever. (See Page
10–26.)

Loosen the two u–clamps (Item 1) [A] nuts.

Remove the steering lever from the cross shaft and
control panel.

The steering lever (Item 1) [B] must be replace as a
complete unit.

The connector clip (Item 2) [B] can be replaced
separately from the steering lever.

AHC Steering Lever Boot

Disconnect the switch handle harness connectors from
the loader wiring harness connectors. (See Page 10–24.)

Remove the connectors from the switch handle wiring
harness. (See Page 10–24.)

Loosen the two u–clamps (Item 1) [A] and remove the
steering lever.

Remove the four pop rivets from the boot retainer (Item
1) [C] and control panel.

Remove the steering lever boot.

A

N–17773

1

C

N–17775

1

–10–28–

Service Manual

773 BICS Loader

Revised Nov. 01

B

P–13734

1

2

CONTROL HANDLE (ADVANCED HAND CONTROL)
(AHC) (Cont’d)

Actuators Removal And Installation

NOTE: For correction installation of the actuator,

mark all the wire connections (Item 1) [A]
before disconnecting them.

Remove the steering levers/control panel assembly. (See
Page 3–1.)

Disconnect the wiring harness connectors (Item 1) [A]
from the actuator connectors.

Remove the pins (Item 1) [B] from the actuator couplers.

Remove the two mounting bolts (Item 2) [B] from the
control valve mounting plate and actuator mounting
block.

Installation: Tighten the mounting bolts to 30 ft.–lbs.
(40,7 Nm) torque.

Remove the actuators and mounting block assembly.

A

N–17781

1

1

B

N–17787

2

1

Service Manual

–10–29–

773 BICS Loader

Revised June 01

CONTROL HANDLE (ADVANCED HAND CONTROL)
(AHC) (Cont’d)

Actuators Disassembly And Assembly

Remove the two mounting bolts (Item 1) [A] from the
actuator mounting block.

Installation: Tighten the mount bolts to 10–12 ft.–lbs.
(13,5–16,2 Nm) torque.

Check the mounting block (Item 1) [B] and bolts for wear
and replace as needed.

Remove the rubber boot (Item 1) [C] and tie strap from the
actuator shaft.

Check the rubber boot (Item 1) [C] for wear and replace
as needed.

Check the actuator wiring harness connector (Item 1) [D]
and replace if broken.

Installation: Install the wires into the connector as listed
below. The terminal numbers are written on the back of
the connector (Item 2) [D].

Lift and Tilt Actuator

1 – Terminal–Black–Larger diameter wire (16 gauge)
2 – Terminal–Green–Larger diameter wire (16 gauge)
3 – Terminal–Red/Green–Larger diameter wire
(16 gauge)
4 – Terminal–Open
5 – Terminal–Red–Smaller diameter wire (18 gauge)
6 – Terminal–Open
7 – Terminal–Open
8 – Terminal–Black–Smaller diameter wire (18 gauge)

NOTE: There must be a small amount of free play

between the actuators and the mount block
when properly installed.

A

N–17737

1

1

C

N–17739

1

D

N–17741

1

N–17742

2

–10–30–

Service Manual

773 BICS Loader

Revised June 01

B

N–17738

1

A

N–22797

1

P–16536

2

C

P–13797

1

Service Manual

–10–31–

773 BICS Loader

CONTROL HANDLE (ADVANCED HAND CONTROL)
(AHC) (W/PUSH BUTTON FLOAT)

Components Identification

Control Handle (Item1) [A].

Handle Sensor (Item 2) [A].

Control Valve Actuators (Item 1) [B].

AHC Controller (Item 1) [C].

Revised June 01

B

N–19112

1

1

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