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instructions for

adjustable gearbox support

model no: 

adt3

thank you for purchasing a sealey product. Manufactured to a high standard, this product will, if used according to these instructions, 

and properly maintained, give you years of trouble free performance.

IMPORTANT:

 PLEASE READ THESE INSTRUCTIONS CAREFULLY. NOTE THE SAFE OPERATIONAL REQUIREMENTS, WARNINGS & CAUTIONS. USE 

THE PRODUCT CORRECTLY AND WITH CARE FOR THE PURPOSE FOR WHICH IT IS INTENDED. FAILURE TO DO SO MAY CAUSE DAMAGE AND/OR 
PERSONAL INJURY AND WILL INVALIDATE THE WARRANTY. KEEP THESE INSTRUCTIONS SAFE FOR FUTURE USE.

1.  saFetY

 

‰

   

WarNINg! ensure all preliminary checks are carefully carried out before using gearbox support and jack. Immediately    

  repair or replace damaged or missing parts (use an authorised service agent). ensure use of genuine parts only. 

  

 unauthorised parts may be dangerous and will invalidate the warranty.

 

‰

  

WarNINg! Follow the safety instructions issued with the transmission jack.

 

9

 

Before use ensure the transmission weight and size do not exceed the capacity of the gearbox support or the jack. 

 

‰

  

WarNINg!

 

ensure load is placed level and centrally on gearbox support and is fixed in place before attempting to lift,  

  lower, or transport load. always use load restraint chain and attachments to stabilise and secure the load to the gearbox  

 support.

 

8

 

do Not

 use the gearbox support without restraint chain. 

 

8

 

do Not

 replace the chain with an inferior form of restraint.

 

9

 

care should be taken when using  the gearbox support and vertical transmission jack in conjunction with a vehicle lift to ensure that the  

  vehicle is not lowered whilst the jack is in position.

 

8

 

do Not

 move the jack, with or without a load, with the gearbox support in the raised position. 

 

8

 

do Not

 use the saddle for any purpose other than for vehicle transmissions. 

 

9

 

Before storing ensure gearbox support is clean and free of grease and oil.

2. 

 

INtroductIoN

the Adt3 adjustable gearbox support has a rated capacity of 500kg and has been manufactured to a high specification to fit sealey Vertical 

transmission Jacks, in place of the standard fixed saddle, thereby increasing the range of transmissions which can be accommodated.  A fully adjustable 

saddle with forward, backward and side to side tilt.

3.  specIFIcatIoN

model no: ....................................................................................Adt3

Applications: .................. 300GA, 300tr, 600GA, 600tr, 1000GA, 

 ............................................................................. 1250GA, 1250GtA

(An adaptor, part no. Adt3.23 is supplied to fit the support to the 300tr.)

4.  asseMblY

 

‰

   WarNINg!

 failure to assemble the gearbox support correctly may result in serious damage and/or personal injury.  

4.1.    

unpack the product and check contents against the parts diagram.  should there be any damaged or missing parts contact your  

 

supplier immediately. 

 

Note:

 numbers shown in brackets refer to item numbers on the parts diagram.

 

Note:

 items 14, 15, 16, 17, 18, 19, 20, 21 and 22  have been pre-assembled.

4.2.    

Attach brackets (8) to the saddle (14) using bolts (10), washers (6) and nuts (7).

4.3.    

Attach plates (5) to brackets using bolts (9), washers (6) and nuts (7). 

4.4.    

Attach chain (12) to one plate using bolt (13), washers (3) and nut (11).

4.5.    

fit screw (2) to diagonally opposite plate using washer (6) and nut (7).

4.6.    

slide hook bolt (1) through screw (2) and fit washer (3) and wing nut (4).

5. 

 

operatIoN

 

‰

   WarNINg! do Not 

use gearbox support if any suspect part is found, or if it is believed to have been subjected to abnormal load or  

  shock. immediately remove from service and contact your authorised service agent.

 

‰

   WarNINg! 

Always read, understand and implement these safety and operating instructions supplied with the gearbox support 

and  

  those supplied with the jack

.

5.1. 

 

With jack fully down remove existing fixed saddle and fit the ADT3. 

( An adaptor, part no Adt3.23 is supplied to fit the Adt3 to the 300tr.)

5.2.    

Adjusting the pitch and tilt of gearbox support will assist you to safely support and transport the transmission. the gearbox support may be tilted  

 

forward, backward and side to side by operating the appropriate handles (22).

 

‰

  

WarNINg! 

After adjusting the angle of the gearbox support always make sure that all four adjusting screws are in contact with the underside of  

 the gearbox support. this will ensure that the gearbox support does not move during use, which would endanger both the transmission and the    

 operator.

refer to

instruction

manual

Wear safety

footwear

Wear protective

gloves

Wear 

protective

clothing

Adt3 | issue 2 (i) 31/01/17

Original Language Version

© Jack sealey limited

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