Sealey GA70.V2 User manual

FOUR-WHEEL LASER WHEEL ALIGNER
MODEL NO: GA70.V2
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
1.1 GENERAL SAFETY
WARNING! Ensure Health & Safety, local authority, and general
workshop practice regulations are adhered to when using this
equipment.
9Maintain the wheel aligner in good condition (use an authorised
service agent).
9Replace or repair damaged parts. Use genuine parts only.
Non-authorised parts may be dangerous and will invalidate the
warranty.
9Locate wheel aligner in a suitable working area, keep area clean
and tidy and free from unrelated materials.
WARNING! Use aligner on vehicles that are parked on level and
solid ground.
9Keep the gauge clean to ensure accurate performance.
8DO NOT use outside in damp or wet weather conditions.
8DO NOT allow untrained persons to operate the aligner.
8DO NOT leave the aligner unattended.
WARNING! When setting front end alignment on commercial
vehicles never make adjustments to drop arms or interconnecting
links. Doing so could result in serious tyre, wheel and steering
problems.
WARNING! The warnings, cautions and instructions contained within this
document cannot cover all possible conditions and situations that may occur. It
must be understood that common sense and caution are factors which cannot be
built into this product, but must be applied by the operator.
9Any alignment changes deemed necessary as a result of using this equipment
must be made strictly in accordance with the vehicle manufacturer’s
recommendations.
1.2 LASER SAFETY
The GA70 utilises a Class II laser that emits low levels of visible radiation (i.e.
wavelengths between 400 and 700 nanometres) which are safe for the skin but
not inherently safe for the eyes. The Class II emission limit is set at the
maximum level for which eye protection is normally afforded by natural aversion
responses to bright light. Accidental eye exposure is therefore normally safe,
although the natural aversion response can be overridden by deliberately staring
into the beam, and can also be influenced by the use of alcohol or drugs.
WARNING!DO NOT look or stare into the laser beam as permanent eye
damage could result.
8DO NOT direct the laser beam at any person’s (or animal’s) eyes as eye damage
could result. If the beam is obstructed by a person during use, release the
contact switch immediately.
8DO NOT use the equipment while under the influence of alcohol, drugs or whilst
on medication.
9Be aware that reflections of the laser beam from mirrors or other shiny surfaces
can be as hazardous as direct eye exposure.
2. INTRODUCTION
Fast, simple and accurate alignment of both front and rear wheels. Optimises vehicle
performance and set up after installation or modication of steering and suspension
components. Simple and fast to use, it is ideal for the busy professional workshop
and has a fast return on investment - potentially adding value to every steering or
suspension job. This fully portable kit is also ideal for track-day set up for the enthusiast.
Works on practically all cars and light commercials with rim diameters between
330mm(13”) and 560mm(22”). Supplied with steering wheel clamp, wheel turn plates
and wheeled storage rack and comprehensive operating instructions.
GA70.V2 | Issue 2 06/06/2019
Original Language Version
© Jack Sealey Limited
Refer to
instructions
Wear protective
gloves
Wear safety
footwear
Wear protective
clothing
Keep in dry area
protect from rain
Warning
laser beam
The GA70.V4 kit consists of: Mobile storage unit (see below)
1. Laser Measuring Head X2 4. Dished Turning Plate X2
2. Alignment Assembly Flags X2 5. Extension Bobbins X6
3. Steering Wheel Clamp X1 6. 13” Wheel Spacers X4

3. SPECIFICATION
Model No: ........................ GA70.V2
Minimum Rim Diameter ................330mm
Maximum Rim Diameter................560mm
Optional Accessory: ....GA70CR - Calibration Rig (Sold Seperately)
4. FOUR WHEEL ALIGNMENT
4.1. Accurate four wheel alignment should always take place with reference to
the vehicles centre line to avoid problems similar to the one shown in (fig.1)
where the vehicle will steer to the left resulting in the steering wheel
having to be turned to the right to compensate. Basically, rear wheel tracking
must be kept equal to the centre line and correctly toed in or out according
to the vehicle manufactures specification in order for the vehicle to handle
correctly. Check thrust lines are equal to centre line before proceeding.
5. OPERATION
IMPORTANT: Prior to use, check that the tyre pressures are correct and if
wheel covers are fitted, remove them. Ensure that the vehicle is on a
smooth level surface with the wheels pointing straight ahead. DO NOT
reverse the vehicle into position, but drive straight ahead into position. Ideally
vehicle should be on a ramp or lift for easier access to the track rods, if
adjustment is necessary.
5.1. FRONT TO REAR WHEEL ALIGNMENT
5.1.1. Place both dished turn plates in front of the front wheels, with their curve
facing downwards. Drive the vehicle onto the turn plates, ensuring they are
central to the wheels (fig.2).
5.1.2. Set steering wheel in straight ahead position and lock using the steering wheel clamp
(fig.3).
5.1.3. Hang both laser measuring heads on the front wheels with toe scales positioned to the
front of the vehicle (g.4).
NOTE: Extension bobbins are used for vehicles that have dished wheels (eg 4x4 or
vans) where the silver bobbins won’t reach onto the wheel rim. The Extension
Bobbins t over the silver bobbins to give an extra 40mm of reach.
NOTE: use 13” Wheel Spacers under the Laser Measuring Heads when necessary.
5.1.4. Hang the alignment assembly flags onto the top of the rear tyres and make adjustments,
so that the horizontal bar is sitting at approximately the centre of the wheel and touching
the tyre at both ends. Ensure that the scale is at 90° to the wheel. Check the spirit level to
ensure the correct position is achieved (fig.5).
5.1.5. Turn on both front laser measuring heads, then
look to rear flags (fig.6) there will be a reading on
both sides, (the readings may not be the same). If
there are two different readings on the rear flags,
adjust both front track rod ends, ensuring that the
front wheels are in line with the rear.
5.1.6. The first step to achieving this, is to add both rear
scale readings together and divide by 2.
5.1.7. For example:
5.1.8. N/S/R reading 2 O/S/R reading 4 (2 + 4 = 6 ÷ 2 = 3)
5.1.9. Adjust both front track rod ends until 3 on both rear
flags is achieved.
GA70.V2 | Issue 2 06/06/2019
Original Language Version
© Jack Sealey Limited
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5.2. CHECKING TOE ON FRONT WHEELS Refer to fig.7
5.2.1 Now that the front wheels are aligned with rear wheels, see section 5.1.5, next check the toe readings on the front laser measuring
head scales.
5.2.2 To obtain the toe, a small calculation is required. The reason for this is because you cannot ensure that both the O/S/F and N/S/F laser
heads are positioned 100% equal to each other when fitted to the wheels.
5.2.3 RULES FOR CALCULATION
If both lasers are hitting in the same colour zones, add them together to obtain the vehicle’s toe.
Example 1:
O/S/F Scale N/S/F Scale
- 1 Red -2 Red (Toe is currently -3 toe out)
Example 2:
O/S/F Scale N/S/F Scale
+ 1 Green + 2 Green (Toe is currently +3 toe in)
If the lasers are hitting in two different colour zones, subtract
the lesser number from the higher number.
Example 3:
O/S/F Scale N/S/F Scale
- 3 Red + 4 Green (Toe is currently + 1 toe in)
If the lasers are hitting in different colour zones but have equal
readings, then the toe is 0.
Example 4:
O/S/F Scale N/S/F Scale
- 2 Red + 2 Green (0 toe).
5.3. ADJUSTING TOE
5.3.1. Now that the vehicle’s toe has been obtained using section 5.2 calculations, it may be necessary to adjust the toe according to the
manufacturer’s specifications.
5.3.2. When adjusting track rod ends, make sure to adjust equally on both sides. If it needs to be adjusted half a turn on the O/S/F then it
needs to be adjusted half a turn on the N/S/F. Once the desired toe is obtained using the calculations, then check the rear flags to see
whether they have equal readings on both sides.
5.3.3. NOTE: If the rear toe has been adjusted, the rear flag reading will have changed from the original, set in section 5.1.5. If they are still
equal then the job is complete.
5.3.4. If the rear flags are not equal then this would suggest the O/S/F and N/S/F has not been adjusted, track rod ends equally when adjusting
the toe, or the thrust angle is not equal on the rear wheels in relation to the centre line.
6. MAINTENANCE
6.1. After use, always secure all tools and measuring units back onto the mobile storage unit to minimise damage.
6.1.1. If a laser beam becomes difficult to see on the gauge, the batteries in question may need changing.
6.1.2. To replace the batteries, slide back the battery covers on the laser alignment unit to reveal the battery compartments and fit new
batteries. Dispose of old batteries correctly (see Battery Removal section on next page). Refit the covers.
6.1.3. Periodically clean all the measuring units and tools with a slightly dampened cloth.
6.1.4. The lasers should be calibrated on a yearly basis and in particular if the units are damaged and there is doubt that the laser heads are
still in alignment. Contact your Sealey stockist to arrange returning the unit for re-calibration.
6.1.5. Alternatively, a calibration rig (Model No: GA70CR) is available for purchase if required.
g.7
GA70.V2 | Issue 2 06/06/2019
Original Language Version
© Jack Sealey Limited

GA70.V2 | Issue 2 06/06/2019
Original Language Version
© Jack Sealey Limited
Sealey Group, Kempson Way, Suffolk Business Park, Bury St Edmunds, Suffolk. IP32 7AR
01284 757500 01284 703534 [e-mail] www.sealey.co.uk
ENVIRONMENT PROTECTION
Recycle unwanted materials instead of disposing of them as waste. All tools, accessories and packaging should be sorted, taken to
a recycling centre and disposed of in a manner which is compatible with the environment. When the product becomes completely
unserviceable and requires disposal, drain any fluids (if applicable) into approved containers and dispose of the product and fluids
according to local regulations.
BATTERY REMOVAL
Under the Waste Batteries and Accumulators Regulations 2009, Jack Sealey Ltd are required to inform potential purchasers of products
containing batteries (as defined within these regulations), that they are registered with Valpak’s registered compliance scheme. Jack
Sealey Ltd’s Batteries Producer Registration Number (BPRN) is BPRN00705.
BATTERY REMOVAL
1. Remove the battery covers on each laser alignment unit by unscrewing the cover screws, to reveal the battery compartment.
2. Remove the 4 AA batteries from their holder and dispose of the batteries according to local authority guidelines.
Note: It is our policy to continually improve products and as such we reserve the right to alter data, specifications and component parts without prior
notice. Please note that other versions of this product are available. If you require documentation for alternative versions, please email or call
our technical team on [e-mail] or 01284 757505. Important: No Liability is accepted for incorrect use of this product.
Warranty: Guarantee is 12 months from purchase date, proof of which is required for any claim.
Parts support is available for this product. Please log on to www.sealey.co.uk, email [e-mail] or telephone [phone]
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