Astro Pneumatic 7865 Ball Joint Service Tool with 4-wheel Drive Adapters User Manual

Operating instructions i, Operating instructions ii, Part list

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"U" Joint Assembly And Disassembly

The basic C-frame press is used to service the "U" joints on most cars and light trucks.

The "U" joints can be serviced either on or off the vehicle.

1. Remove all lock ring retainers from
the brake anchor pins.

2. Position the C-frame press over the
brake spider as shown in Figure 1.

3. Tighten the forcing screw until the
anchor pin is removed.

Brake Anchor Pin Removal and Installation

Figure 1

Figure 2

Operating Instructions I

BALL JOINT SERVICE TOOL

WITH

4-WHEEL DRIVE ADAPTERS

7865

2

Disassembly

1. Remove any external and / or internal lock
rings.
2. Position the C-frame press around the drive
shaft yoke, and tighten the forcing screw until the
first bearing is removed.
3. Reposition the C-Frame and remove the
second bearing.

Assembly

Clean all dirt and oil from the yoke area.

Align the replacement bearing and C-frame
press as straight as possible over the yoke.
Press the replacement bearing into the yoke.
and reassemble the external / internal lock ring.

Reposition the C-frame press and second
replacement bearing as straight as possible over
the yoke, and press the bearing into the yoke.
Reassemble external / internal lock ring.

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Operating Instructions II

Installation

1. Clean the control arm and coat the I.D. with a
suitable lubricant.

2. Insert the replacement ball joint as straight as
possible into the vehicle control arm.

3. Assemble the ball joint press component as
shown in Figure 4. Position the receiving tube,
and tighten the forcing screw. Check the
alignment of all tooling and components, and
continue tightening the forcing screw until the
ball joint is firmly seated.

NOTE: Some cars and light trucks may

have the upper ball joint spot-welded to

the control arm. The weld must be cut

before attempting to remove the ball joint.

Removal

Ball Joint Removal and Installation

Figure 4

BALL JOINT SERVICE TOOL

WITH

4-WHEEL DRIVE ADAPTERS

This tool set is designed for use on all cars and light
trucks that have press-fit type ball joints without the
need to remove the control arm from the vehicle.

1. Assemble the ball joint press over the control arm
as shown in Figure 3. Select the correct size
receiving tube (Item 5, 6, or 7), and position it under
the vehicle ball joint refer to Fig3

2. Tighten the forcing screw until the receiving tube
contacts the control arm. Check the alignment of all
tooling and components, and continue tightening
the forcing screw until the ball joint is removed.

Figure 3

Installing Adapter

Ball Joint

Receiving
Tube

Removing
Adapter

Control
Arm

Installing Adapter

Receiving
Tube

Removing
Adapter

Ball Joint

Control
Arm

7865

3

BALL JOINT SERVICE TOOL

WITH

4-WHEEL DRIVE ADAPTERS

7865

Safety Precaution

Caution: To help prevent personal injury

Application: Used with ball Joint press &

Service Tools (3-in-1 Service Set) to remove

and install upper and lower ball joint on

1967 current - 4WD vehicles with Dana 44

axles.

Always wear ANSI approved goggles when using
this product. Normal use of this product is likely to
expose the user to dust and/or microscopic
particles containing chemicals known to the State
of California to cause cancer, birth defects or other
reproductive harm. Always wear appropriate safety
equipment and clothing when using this product.
Study, understand, and follow all instructions
provided with this product.
Before repairing vehicle, block the wheels to
prevent the vehicle from moving.
Check the final alignment of the C-frame press and
all tooling with components before exerting
pressure to remove or replace a ball joint.

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Part List

1

#-03 Install Adapter

#-04 Removal Adapter

#-08 Install Cup Adapter

#-10 Receiving Cup

#-01 C-Frame

#-02 Screw

#-09 Install Cup

#-07 1-3/4" X 2"
Receiving Tube

#-06 2-1/4" X 2-1/2"
Receiving Tube

#-05 2-3/4" X 3"
Receiving Tube

BALL JOINT SERVICE TOOL

WITH

4-WHEEL DRIVE ADAPTERS

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