Hydraulic
Clutch Jack
Operating Instructions & Parts Manual
Model Number
Atd-7404
Capacity
500 Lb.
160 Enterprise Drive, Wentzville MO 63385
Atd Tools Inc.
Printed in China
ATD7404-M0 05/07
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 Atd Tools authorized service center. It is recommended that an annual inspection be done by qualified personnel.
Labels and Operator's Manuals are available from manufacturer.
PRODUCT DESCRIPTION
Atd Tools Hydraulic Clutch Jack is designed for clutch/ flywheel removal and installation. Intended use: to remove,
install and transport (in lowest position) both 14" and 15-1/2" clutches and flywheels. The two most common spline
sizes, 1-3/4" and 2" diameter, are included with this product. The head plate enables clutch to be positioned in either
horizontal position for clearing underneath vehicle or vertical position for installation and removal. The spline sleeve
rotates 360 degrees, turns side to side and vertically tilts for precise clutch alignment.
DO NOT USE FOR ANY PURPOSE OTHER THAN THOSE USES OUTLINED ABOVE !
SPECIFICATIONS
Model Capacity Jack Size (L x W x H)
Atd-7404 500 lb. 44 1/2" x 22 1/2" x 16" 16 1/2" 42" 1-3/4" & 2" 1"
Pump Handle
Release Pin
Lifting Arm
Min.
Height
Adapter Shaft
Spline Sleeve
Head Plate
Max.
Height
Spline
Dia.
Shaft
Dia.
Volume of
Hyd. Oil
6.6 OZ/ 195 mL
Horizonta
l Position
Tilt Adjustment Bolt
Net
Weight
145 lb.
Release Valve Knob
Rear Caster
Front Caster
Figure 1 - Model Atd7404 Components
2
BEFORE USE
1. Verify that the product and the application are
compatible, if in doubt call Atd Tools Technical
Service (636)327-9050.
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 release valve
knob counter-clockwise (no more than 1/2 full turn).
4. With lifting arm fully lowered, locate and remove the
oil filler plug. 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. Close release valve by turning it 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 jack throughout the advertised lift range
before putting into service.
6. Replace worn or damaged parts and assemblies
with Factory Authorized Replacement Parts only.
Lubricate as instructed in Maintenance Section.
! WARNING
• Study, understand, and follow all printed materials
provided with/on this device before use.
•
Do not exceed rated capacity.
•
Use only on hard, level, seamless surface.
•
Do not allow any part of your body under the lift
arm or load while the jack is supporting a load.
•
Use only the factory supplied adapters as a
means of contacting the load. Never use any
other part of the jack as a lifting surface.
•
Use of this jack is limited to the removal,
installation and transportation of clutch/flywheel.
•
Adequately support the vehicle before starting
repairs.
•
Failure to heed these markings may result in
personal injury and/or property damage.
OPERATION
Removing a Clutch
1. Select the correct size spline sleeve. Place the
spline on the adapter shaft, then attach the assembly
to the head plate with release pin & retaining pin
provided.
2. Close the release valve by tightening the release
valve knob. Pump the handle to raise the lifting arm
and align the spline sleeve with the clutch.
3. Tilt the head plate with the tilt adjustment bolt to align
it with the clutch bore. Slide the spline sleeve into
the clutch.
4. Remove the clutch mounting bolts and back the jack
and clutch away from the flywheel.
! WARNING
Be sure all tools and personnel are clear before
lowering load.
Transporting the Clutch while on Jack
Be sure the adapter shaft is in the vertical position and
the jack is fully lowered before transporting, as shown
in Figure 2.
Loading and Unloading a Clutch from the Jack
1. To load or unload a clutch from the jack, be sure the
adapter shaft is in the vertical position, as shown in
Figure 2.
2. Add or remove one piece of the clutch at a time.
Installing a Clutch
1. Raise the clutch into the horizontal position for
installation and tilt the clutch using the tilt adjustment
bolt to align with the flywheel.
2. Put the jack and clutch into position so that the spline
shaft engages the pilot bearing in the flywheel. Install
and tighten the clutch mounting bolts.
Figure 2 - Illustration of Lowest Position with Clutch
Adapter Shaft
Clutch
3