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Stock Nos. .......................................................... 30586, 30587 
Part Nos. ...........................................................  ALG33, ALG34
Air supply pressure min  ................................ 6.9 bar (100lbf-in

2

)

Air supply pressure max  ............................. 13.8 bar (200lbf-in

2

)

Pressure range  ....................................... 0-9.6 bar (0-138lbf-in

2

)

Air inlet  .................................................... 

1

/

4

" BSP taper (female)

Hose length ....................................................... 0.5M (approx.)
Accuracy ......................... EC directive (only bar scale approved)

FOR USE IN VEHICLE WORKSHOPS AND TYRE FITTING 

BAYS. NOT RECOMMENDED FOR USE ON AIRCRAFT TYRES

ALWAYS WEAR EAR & EYE PROTECTION

Draper air tools have been carefully tested and inspected before shipment and are 
guaranteed to be free from defective materials and workmanship for 6 months 
from the date of purchase except where tools are hired out when the guarantee 
period is ninety days from the date of purchase.

Should the machine develop any fault, please return the complete tool to your 
nearest authorized warranty repair agent or contact Draper Tools Limited, 
Chandler’s Ford, Eastleigh, Hampshire, SO53 1YF. England.
Telephone (023) 8049 4344.

If, upon inspection it is found that the fault occurring is due to defective materials 
or workmanship, repairs will be carried out free of charge. This guarantee does not 
apply to normal wear and tear, nor does it cover any damage caused by misuse, 
careless or unsafe handling, alterations, accident, or repairs attempted or made by 
any persons other than the authorized Draper warranty repair agent.

This guarantee applies in lieu of any other guarantee expressed or implied and
variation of its terms are not authorized.

Your Draper guarantee is not effective unless you can produce upon request a 
dated receipt or invoice to verify your proof of purchase within the guarantee 
period.

Please note that this guarantee is an additional benefit and does not affect your
statutory rights.

- IMPORTANT: 

Prior to installation of the air line gauge ensure 

the air supply line is clear and drain off the compressor tank 
and pipework. Connect the air line gauge to a pressure 
vessel (tyre) and actuate the calibrated indicator assembly 
approximately 10 operations up/down scale.

-  ACCURACY: (EC DIRECTIVE 86/217)

  This air line gauge has been calibrated in its normal working 

position on test equipment with an accuracy that is traceable 
to the UK National Standard through the National Physical 
Laboratory Reference 08010/C4/1/P383 via a system of 
calibration which includes Dead Weight Tester, Serial 
No.4361, Piston Unit No.:A890. Dead Weight Tester 
calibrated at Theta Systems Ltd. - Namas Laboratory No.409.

  MODEL No. 

DESCRIPTION 

PART No. 

STOCK No.

 

ALG33 

Hose & connector ass'y 

YRHA2121 

30769

 

ALG34 

Hose & connector ass'y 

YRHA2122 

30770

 

ALG33 

Twin hold connector 

YC01A03 

30771

 

ALG34 

Single clip-on connector 

YC02E03 

30773

 

ALG33/34 

Valve ass'y 

YSAS4115 

30764

1. Always wear safety goggles or glasses.

2. Always ensure machine is switched off before connecting to air 

supply.

3. Disconnect any machine from the air supply before changing 

blades or discs,  and before servicing any type of machine.

4. Always keep your air tool clean and lubricated. Daily lubrication is 

essential to avoid internal corrosion and possible failure.

5. Do not wear watches, rings, bracelets or loose clothing when using 

air tools.

6. Using only light weight coil hoses from a tool to the wall or 

compressor coupling. Do not fit quick change couplings onto the 
machine as vibration can cause the coupling to fail.

7. Do not overload the machine. Allow the tool to operate at its 

optimum speed for maximum efficiency.

8. Do not increase the air pressure above the manufacturer's 

recommended level, as excessive overload can cause the machine 
casing to split. Also this creates excessive wear on moving parts 
and possible failure.

9. In the interests of safety and possible damage to the 

machine/operator, always ensure that the machine has stopped 
before putting it down after use.

10. Always ensure that the workpiece is firmly secured leaving both 

hands free to control the machine.

11. Always ensure that the accessories such as blades, discs, sockets, 

etc. are rated/designed for use with the machine. Also correctly 
and securely fastened before connecting the machine to the air 
supply.

-  AIR SUPPLY:

 

Tools in the range generally operate at a maximum 
pressure of 13.8 bar (see specifications) and this should be 
controlled via a combined regulator/water separator such 
as the Draper 4222/4 unit which with proper 
maintenance will ensure a constant supply of dry air at all 
times. See Fig.1. Always check tool operating pressure 
before use.

 

Water in the compressor tank will cause serious corrosion 
to your air tools and should be drained daily to avoid 
excessive water in your air supply. Dirty wet air rapidly 
shortens the life of your air tool.

 

If you are using an air tool on a hose over 25ft. long it is 
advisable to increase the bore of the hose to the next larger size available ie.1⁄4" increases 3⁄8". This will ensure adequate pressure and 
volume of air to power the tool.

-  OPERATION (Fig.1):

 

Air tools without inbuilt regulators vary the pressure on your air supply regulator.Push or clip the connector accordingly over the valve 
to take the pressure reading. To inflate, fully depress the trigger and release to take the new pressure reading. To deflate, slightly 
depress the trigger. Air will be heard to be escaping while this position is maintained. Remove connector from valve and replace valve 
cover if applicable.

- NOTE:

 Observe manufacturer's inflation levels. Do not use on toy inflatables as damage will occur.

FIG.1

Leader Hose.

Quick Coupling.

Recoil Hose.

Nipple.

Nipple.

Regualtor.

Water Separation.

Drain Daily.

Air Supply.

To your

Air Tool.

Do not install Quick
Coupling here.

SPECIFICATION

GUARANTEE

ASSEMBLY

OPERATING INSTRUCTIONS

GENERAL SAFETY RULES
FOR AIR TOOLS PRODUCTS

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