ATD Tools Atd-7390, Atd-7391 User Manual

Long Chassis

Hydraulic

Service Jacks

Operating Instructions & Parts Manual

Model Number

Atd-7390
Atd-7391

Capacity

5 Ton

10 Ton

Atd Tools Inc.

160 Enterprise Drive, Wentzville MO 63385

Printed in China

ATD7390-M0 rev 03/07

Save these instructions. For your safety, read, understand, and follow the information provided with and on this jack.
The owner and operator of this equipment shall have an understanding of this jack and safe operating procedures
before attempting to use. The owner and operator shall be aware that use and repair of this product may require
special skills and knowledge. Instructions and safety information shall be conveyed in the operator's native language
before use of this jack is authorized. If any doubt exists as to the safe and proper use of this jack, remove from service
immediately. Inspect before each use. Do not use if broken, bent, cracked, or damaged parts (including labels)
are noted. Any jack that appears damaged in any way, operates abnormally or is missing parts, shall be removed
from service immediately. If the jack has been or suspected to have been subjected to a shock load (a load dropped
suddenly, unexpectedly upon it), immediately discontinue use until jack has been checked by an authorized factory
service center. It is recommended that an annual inspection be done by qualified personnel. Labels and Operator's
Manuals are available from manufacturer (see Replacement Parts, pages 5 thru 7).

PRODUCT DESCRIPTION

Atd Tools Long Chassis Hydraulic Service Jacks are designed to lift, not sustain, rated capacity loads. They are
designed to be used in conjunction with jack stands. Intended use: To lift one axle of a vehicle for the purpose of
service and/or repair of vehicle components. After lifting, loads must be immediately supported by appropriately
rated jack stands. Check with vehicle owner's manual for proper lift points.

DO NOT USE TO DOLLY OR MOVE VEHICLE. DO NOT USE FOR ANY PURPOSE OTHER THAN THOSE USES
OUTLINED ABOVE!

SPECIFICATIONS

Model

Atd-7390

Atd-7391

Handle Position Lock

Handle Sleeve

Capacity

10 Ton

Foot Pedal

5 Ton

Jack Size ( L x W x H)

57 3/4" x 17" x 7 5/8"

54 3/4" x 20" x 12 3/4"

Handle

Oil Filler Plug/Screw

(on Reservoir)

Min. Height

7"

7"

Release Valve
(Handle Knob)

Max. Height

27"

27"

Grease Fitting Nipple

Ram Extend

Saddle

5"

6 1/2"

Front Wheel

Saddle Dia.

6 1/2"

7 3/8"

Rear Caster

Figure 1 - Typical Long Chassis Jack Nomenclature (Atd-7390 shown)

2

ASSEMBLY

Always secure the handle into the handle sleeve by
means of the bolt lock washer and nut provided. Tighten
securely to prevent accidental removal of handle while
in use. Familiarize yourself with the illustrations in the
operator's manual. Know your jack and how it operates
before attempting to use.

BEFORE USE

1. Verify that the product and the application are
compatible, if in doubt call Atd Tools Technical
Service [phone].

2. Before using this product, read the operator's manual
completely and familiarize yourself thoroughly with
the product, its components and recognize the
potential hazards associated with its use.

3. Open the release valve by turning the handle counter­clockwise (no more than 1/2 full turn).

4. With saddle fully lowered, locate and remove the
oil filler plug/screw. Pump handle 6 to 8 full strokes.
Ensure the oil level is within ~ 3/16" from the inner
cylinder as viewed from the oil filler hole. Reinstall
the oil filler plug/screw. Close release valve by turning
the handle clockwise until firm resistance is felt.

5. Check to ensure that jack rolls freely, that the pump
and release valve operate smoothly. Raise and lower
the unloaded saddle throughout the advertised lift
range before putting into service.

6. Replace worn or damaged parts and assemblies
with factory authorized replacement parts only. (See
Replacement Parts Section). Lubricate as instructed

in Maintenance Section.

OPERATION

Lifting

! CAUTION

Lift only on areas of the vehicle as specified by the
vehicle manufacturer.
Do not use adapters or accessories that are not
provided initially.
The resulting of overload my cause hydraulic
system failure.

1. Place vehicle in park, with emergency brake on and
wheels securely chocked to prevent inadvertent
vehicle movement.

2. Locate and close release valve by turning handle
clockwise, firmly. Center jack saddle under lift
point.

3. Verify lift point, then use handle pump to contact lift
point. To lift, pump handle until load reaches desired
height.

4. Transfer the load immediately to appropriately rated
jack stands.

! WARNING

To avoid crushing and
related injuries:
NEVER work on, under or
around a load supported
only by jack. ALWAYS
use adequately rated jack
stands.

! WARNING

• Study, understand, and follow all printed materials
provided with/on this product before use.

• Do not exceed rated capacity.

• This is a lifting device only.

• Use only on hard, level surfaces capable of
supporting rated capacity loads.

• After lifting, immediately transfer the load to
appropriately rated vehicle stands.

• Never work on, under, or around a load supported
by this device only.

• Do not move or dolly loads with this device.

• No alterations shall be made on this product.

• Failure to heed these markings may result in
personal injury and/or property damage.

Lowering

! WARNING

Be sure all tools and personnel are clear before
lowering load.

1. Raise load high enough to clear the jack stands,
then carefully remove jack stands (always used in
pairs).

2. Slowly turn the handle counterclockwise, but no more
than 1/2 turn. If the load fails to lower:

a. Use another jack to raise the vehicle high
enough to reinstall jack stands.
b. Remove the affected jack and then the stands.
c. Using the other jack, lower the load by turning
the operating handle counter-clockwise, but no
more than 1/2 turn.

3. After removing jack from under the load, push
saddle down to reduce ram exposure to rust and

contamination.

3