Page 1
7740B — OPERATING MANUAL AND PARTS LIST 1 rev. 06/20/03
OWNER/USER RESPONSIBILITY:
The owner and/or user must have a thorough understanding
of the manufacturer’s operating instructions and warnings
before using the transmission jack. Personnel involved in the
use and operation of equipment shall be careful, competent,
trained, and qualified in the safe operation of the
equipment and its proper use when servicing motor vehicles
and their components. Warning information should be
emphasized and understood. If the operator is not fluent in
English, the manufacturer’s instructions and warnings shall
be read to and discussed with the operator in the operator’s
native language by the purchaser/owner, making sure that
the operator comprehends its contents.
Owner and/or user must study and maintain for future
reference the manufacturer’s instructions and pertinent
warning information. Owner and/or user is responsible for
keeping all warning labels and instruction manuals legible
and intact. Replacement labels and literature are available
from the manufacturer.
ASSEMBLY INSTRUCTIONS:
Assemble fingers (part #664606) and hook and chain.
Refer to schematic on page 2.
INSPECTION:
Visual inspection should be made before each use of the
transmission jack. Any jack which appears to be damaged
in any way, found to be badly worn, or operates
abnormally MUST BE REMOVED FROM SERVICE. If the jack
is accidentally subjected to an abnormal load or shock, it
must be inspected by a manufacturer’s authorized repair
facility immediately. It is recommended that an annual
inspection of the jack be made by a manufacturer’s
authorized repair facility and that any defective parts,
decals, or warning labels be replaced with manufacturer’s
specified parts. All repairs must be made by a factory
authorized service center. A list of authorized repair
facilities is available from the manufacturer.
IMPORTANT! BEFORE USE:
Air may become trapped in the hydraulic system during
transit. To purge air:
1. Open release valve by turning release knob
counterclockwise.
2. Pump handle rapidly 4 full strokes. This will expel air
that may have entered oil passages during transit.
3. Close release valve by rotating release knob clockwise
and pump handle.
THIS OPERATING MANUAL CONTAINS
IMPORTANT SAFETY INFORMATION.
READ CAREFULLY AND UNDERSTAND
ALL INFORMATION BEFORE OPERATING
TOOL. SAVE THIS MANUAL FOR
FUTURE USE.
FOR YOUR SAFETY AND TO PREVENT INJURY:
Use Service Jack
for lifting purposes
ONLY.
Always support
vehicle with
jack stands.
THE USE OF THIS JACK IS LIMITED TO THE REMOVAL,
INSTALLATION, AND TRANSPORTATION IN THE LOWERED
POSITION, OF TRANSMISSIONS AND DIFFERENTIALS.
IT MAY BE USED WITH APPROPRIATE ADAPTERS
MANUFACTURED SPECIFICALLY FOR THE JACK TO HANDLE
OTHER COMPONENTS, SUCH AS REAR AXLE UNITS AND
TRANSFER CASES, WITHIN THE WEIGHT LIMITATIONS
SPECIFIED. NO ALTERATION TO THE JACK OR ADAPTERS
SHALL BE MADE.
BE SURE THE VEHICLE IS APPROPRIATELY SUPPORTED
BEFORE STARTING REPAIRS.
DO NOT OVERLOAD. OVERLOADING CAN CAUSE DAMAGE
TO OR FAILURE OF THE JACK.
ONLY ATTACHMENTS AND/OR ADAPTERS SUPPLIED BY THE
MANUFACTURER SHALL BE USED.
THIS JACK IS DESIGNED FOR USE ONLY ON HARD LEVEL
SURFACES CAPABLE OF SUSTAINING THE LOAD. USE ON
OTHER THAN HARD LEVEL SURFACES CAN RESULT IN JACK
INSTABILITY AND POSSIBLE LOSS OF LOAD.
READ, STUDY AND UNDERSTAND THE OPERATING MANUAL
PACKED WITH THIS JACK BEFORE OPERATING.
FAILURE TO HEED THESE WARNINGS MAY RESULT IN LOSS
OF LOAD, DAMAGE TO JACK, AND/OR FAILURE RESULTING
IN PROPERTY DAMAGE, PERSONAL OR FATAL INJURY.
MODEL #7740B
2000 LB. CAPACITY
LOW PROFILE TRANSMISSION JACK
PARTS BREAKDOWN AND OPERATING MANUAL
7740b_man062003 6/20/03 3:24 PM Page 1
Page 2
7740B — OPERATING MANUAL AND PARTS LIST 2 rev. 06/20/03
MODEL #7740B
2000 LB. CAPACITY LOW PROFILE TRANSMISSION JACK
13
12
15
16
20
19
18
17
14
21
19
16
5
11
11
10
9
8
7
6
4
4
5
5
5
2
3
46
45
1
42
43
41
40
39
37
38
44
35
34
32
33
32
24
25
31
23
22
26
27
28
29
30
36
5
7740b_man062003 6/20/03 3:25 PM Page 2
Page 3
7740B — OPERATING MANUAL AND PARTS LIST 3 rev. 06/20/03
REF PART
NUMBER NUMBER DESCRIPTION QTY.
1 Main Frame 1
2 RS7740A02 Lift Arm 1
3 RS7740A03 Lift Arm Strap 2
4 RS7740A04 Front Link 2
5
*
Snap Ring 8
6 RS7750A06 Adj. Screw Assembly
w/Knob (side) 1
7
*
Spacer 1
8
*
Side Pivot/Front 1
9
*
Hex Nut 2
10
*
Side Pivot/Back 1
11
*
Snap Ring 4
12 RS7740B12 Saddle Assembly 1
13 RS6648BK Bolt (Chain) Kit 1
14
*
Hex Bolt 8
15
*
Washer 8
16 RS664606 Finger 4
17
*
Hook 1
18
*
Stud 1
19
*
Washer 2
20
*
Wing Nut 1
21
*
Hex Nut 1
22
*
Side Pivot Shaft 1
23 RS7740B23 Saddle Support Assembly 1
REF PART
NUMBER NUMBER DESCRIPTION QTY.
24 RS7740B24 Adj. Screw Assembly
w/Knob (forward) 1
25
*
Spring Pin 2
26
*
Forward Pivot/Front 1
27
*
Washer 1
28
*
Forward Pivot/Back 1
29
*
Bearing 1
30
*
Lock Nut 1
31
*
Forward Pivot Shaft 1
32 RS7750A32 Return Spring 2
33 Grease Fitting 1
34
*
Cotter Pin 1
35 RS7740A35 Hydraulic Unit Assembly 1
36 RS7740A36 Release Valve Stem 1
37
*
Lock Washer 2
38
*
Hex Cap Screw 2
39 RS7740A39 Lift Arm Pivot Pin 1
40
*
Lock Washer 2
41
*
Hex Nut 2
42 RSSC301A Caster 4
43
**
Hex Cap Screw 16
44 RS7750A44 Handle 1
45
**
Washer 16
46
**
Lock Nut 16
*
RS7750A06 Includes Part Nos. 6, 7, 8, 9 (2), 10, 11 (2)
*
RS7740B12 Includes all items 5 through 31
*
RS7740B23 Includes Part Nos. 5 (4), 22, 23, 31
*
RS7740B24 Includes Part Nos. 5 (2), 24, 25 (2), 26, 27, 28, 29, 30
*
RS7740A35 Includes Part Nos. 34, 35, 36, 37 (2), 38 (2), 44
*
RS7740A39 Includes Part Nos. 39, 40 (2), 41 (2)
*
RS6648BK Includes Part Nos. 13, 14 (8), 15 (8), 17, 18, 19 (2), 20, 21
*
RS6645SK Seal Kit for Hydraulic Unit RS7740A35
**
RS305004WK Wheel Kit, includes 8 ea. of 43, 45, 46. Two Kits required.
7740b_man062003 6/20/03 3:25 PM Page 3
Page 4
7740B — OPERATING MANUAL AND PARTS LIST 4 rev. 06/20/03
OPERATING INSTRUCTIONS:
1. To lift load, pump lever to raise saddle to desired
height to contact transmission.
2. Always position the jack so the weight of the load is
equally distributed on the saddle.
3. Position corner support brackets and secure the load
with chain.
4. Attach stud (item #18) to the bracket on the side of
the saddle.
5. Insert hook (item #17) through the eyebolt and attach
the wing nut to the first couple of threads on the J bolt.
6. The chain should be pulled over the load securely and
engaged into slot on the opposite side of the saddle,
then tighten wing nut.
7. To lower the jack, slowly open release valve. Insure that
load is lowered slowly.
CAUTION: Keep hands or feet away from the hinge
mechanism of the jack.
MAINTENANCE INSTRUCTIONS:
All moving joints require frequent lubrication. Oil or
grease lift arm linkages, adjusting rod threads and casters.
SPECIFICATIONS:
Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . 2,000 Lb.
Low Height . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3/4"
High Height . . . . . . . . . . . . . . . . . . . . . . . . . . 31-1/2"
Saddle Tilt Forward . . . . . . . . . . . . . . . . . . . . . . . 65°
Saddle Tilt Backward . . . . . . . . . . . . . . . . . . . . . . .10°
Saddle Tilt Side to Side . . . . . . . . . . . . . . . . . . . . .12°
Base . . . . . . . . . . . . . . . . . . . . . . . . 37-1/2" x 18-1/2"
Shipping Weight . . . . . . . . . . . . . . . . . . . . . 143 Lbs.
Net Weight . . . . . . . . . . . . . . . . . . . . . . . . . . 135 Lbs.
LIMITED WARRANTY:
SUNEX INTERNATIONAL, INC. WARRANTS TO ITS CUSTOMERS THAT THE COMPANY’S SUNEX TOOLS
®
BRANDED PRODUCTS ARE FREE FROM DEFECTS IN WORKMANSHIP AND MATERIALS.
Sunex International, Inc. will repair or replace its Sunex Tools®branded products which fail to give satisfactory
service due to defective workmanship or materials, based upon the terms and conditions of the following described
warranty plans attributed to that specific product.
This product carries a ONE-YEAR warranty. During this warranty period, Sunex Tools will repair or replace at our
option any part or unit which proves to be defective in material or workmanship.
Other important warranty information...
This warranty does not cover damage to equipment or tools arising from alteration, abuse, misuse, damage and
does not cover any repairs or replacement made by anyone other than Sunex Tools or its authorized warranty
service centers.
The foregoing obligation is Sunex Tools’ sole liability under this or any implied warranty and under no
circumstances shall we be liable for any incidental or consequential damages.
Note: Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above
limitation or exclusion may not apply to you.
Return equipment or parts to Sunex Tools, transportation prepaid. Be certain to include your name and address,
evidence of the purchase date, and description of the suspected defect.
If you have any questions about warranty service, please write to Sunex Tools. This warranty gives you specific legal
rights and you may also have other rights which vary from state to state.
Repair kits and replacement parts are available for many of Sunex Tools products regardless of whether or not the
product is still covered by a warranty plan.
SHIPPING ADDRESS:
Sunex Tools
315 Hawkins Rd.
Travelers Rest, South Carolina 29690
MAILING ADDRESS:
Sunex Tools
P.O. Box 4215
Greenville, South Carolina 29608
7740b_man062003 6/20/03 3:25 PM Page 4
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