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   ATJ-1000H 

Operation 

7.

 

Operation 

WARNING

 - This section discusses the appropriate and 

safe methods for using the jack to  raise and lower a 
transmission from a vehicle. Safe operation is not limited 

to  simply raising and lowering the transmission - it also 

includes adequate preparation before removing 
transmission. Failure to follow all of the steps outlined in 

this section could result in serious injury and/or property 

damage. 

7.1

 

Removing transmission 

1.

 

With vehicle elevated on lift, position the jack near 
transmission to be removed. 

2.

 

Attach air hose. Depress foot pedal marked “UP” and 

raise air stage to its fully extended and locked position. 

The locking pawl will automatically engage when the air 
stage is at full height. Air hose may be removed. 

3.

 

Close the hydraulic release valve by  turning 
CLOCKWISE. Pump the handle to raise head assembly 

close to transmission to be removed. If hydraulic  stage 

does not lift, see “PRIMING INSTRUCTIONS” located in 
Section 7.2 of this manual. 

4.

 

Roll head assembly side to side and tilt forward or back 

as needed to firmly contact bottom of transmission.  

5.

 

With short strokes of the pump handle, jack may be 

raised slowly to contact transmission. 

6.

 

Unlock pawls to pull out ratchet brackets (Fig. 2). Then 

push in the 4 ratchet brackets on head assembly firmly to 
contact sides of transmission. 

 

Fig. 2: Unlock pawls 

7.

 

Secure transmission to the jack by placing the strap over 

the transmission, hook it in the hook ring, and then pull 
the strap tight (Fig. 3). 

 

Fig. 3:  Strap  transmission 

8.

 

Before unbolting transmission from  engine, support 

engine with stand, or other appropriate device (Fig. 4). 

 

Fig. 4:   Support  engine 

9.

 

When component is free, lower hydraulic stage slowly by 

turning hydraulic release valve COUNTERCLOCKWISE. 

Then lower air stage by depressing foot pedal marked 
“DOWN”. 

If load is resting on the locking pawl, attach air hose and 

depress “UP” foot pedal briefly so locking pawl will 

release. Air stage should then lower when “DOWN” foot 
pedal is depressed. 

WARNING -

 Never pry locking pawl to release the load, 

the load will drop. Failure to heed this warning may 

result in personal injury and/or property damage. 
CAUTION!  Moving parts of the jack can cause 

personal injury.  Keep hands and all other body parts 
free of  pinch points  while lowering.   Lowering the 

hydraulic stage first minimizes the number of exposed 

pinch points 

 

 

Summary of Contents for ATJ-1000H

Page 1: ...MAHLE ATJ 1000H EN Operation Manual Hi Rise Transmission jack...

Page 2: ...ERY PERSON WHO OPERATES THIS EQUIPMENT NEEDS TO KNOW AND UNDERSTAND ALL OF THE INFORMATION IN THIS MANUAL FAILURE TO DO SO COULD RESULT IN SERIOUS INJURY OR DEATH READ THIS MANUAL CAREFULLY AND RETAIN...

Page 3: ...6 5 1 ATJ 1000H 6 6 Product Description 7 6 1 Component identification 7 7 Operation 8 7 1 Removing transmission 8 7 2 Priming instructions 9 8 Maintenance and Inspection 10 8 1 Inspection before eac...

Page 4: ...BEFORE EACH USE Inspect the work area before each use Make sure vehicle is appropriately supported before starting repairs Use the jack only on hard level surfaces capable of sustaining the load Make...

Page 5: ...ay Manufacturing name Please contact MAHLE Service Solutions customer service at 800 468 2321 or tech mss mahle com with any comments or questions 3 Symbols Use 3 1 Signal words Signal words call atte...

Page 6: ...he employer should ensure that all personnel working with and around the equipment know of the risks associated with its use Personnel involved in the use and operation of this equipment shall be care...

Page 7: ...ig 1 Component identification 1 Down foot pedal 2 Casters 3 Air valve 4 Locking pawl 5 Air stage 6 Fore and aft crank 7 Side to side crank 8 Hook ring 9 Ratchet brackets 10 Strap 11 Head assembly 12 R...

Page 8: ...bottomof transmission 5 With short strokes of the pump handle jack may be raised slowlyto contact transmission 6 Unlock pawls to pull out ratchet brackets Fig 2 Then push in the 4 ratchet brackets on...

Page 9: ...h the pump handle down as show in Fig 5 Fig 5 Tilt jack 1 Down foot pedal 2 Casters 2 Open hydraulic release valve by turning release knob and operate the pump handle until resistance is felt 3 Close...

Page 10: ...sign of damage that suggests the jack will not work properly If any irregularities or problems are detected during an inspection or during operation the unit must be removed from service immediately a...

Page 11: ...refullyexamine the valve seal 6 for any scale dirt or foreign matter If foreign matter is embedded in the valve seal 6 remove the screw 4 and cup 5 from the end of spool 7 and clean the seal 6 turn ov...

Page 12: ...ee the REPLENISH OIL SUPPLY section of manual Release open turn control knob clockwise until tight Air stage fails to lift load Inadequate air pressure requires 90 160 psi required Hydraulic stage fai...

Page 13: ...9 90 adapter kit For use with 4L80E units Designed for the vehicles where the exhaust passes right next to the transmission pan prohibiting easy removal of this transmission 4T80E Adapter Fig 10 4T80...

Page 14: ...en 14 ATJ 1000H Maintenance Chart 11 Maintenance Chart Action Date Details Person responsible Receiving inspection...

Page 15: ...ATJ 1000H 15 en Maintenance Chart Action Date Details Person responsible...

Page 16: ...MAHLE Aftermarket Inc 916A West State Street St Johns Michigan 48879 U S A Phone 800 468 2321 E mail tech mss mahle com www servicesolutions mahle com 670 90727_A...

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