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New Master 35 Petrol/Gasoline Impact Wrench

No reproduction of whole or part of this Manual is allowed without

written Permission of Copyright.

Airtec International Limited, Couper Street, Glasgow G4 0DL, U.K.

New Edition June 2020

MASTER 35

PETROL/GASOLINE IMPACT WRENCH

MAINTENANCE MANUAL

CONTENTS

DESCRIPTION

PAGE NUMBER

Uses & Technical Information

Safety Precautions

Operating Controls

– Illustrations

Operating Controls

– Instructions for use

Start/Stop Operation

Basic Workshop Safety Rules

Routine Service

Motor - Repairs

Motor Parts - Exploded Diagram Drawings and Parts Lists

9-13

Impact Unit - Repairs

Impact Unit & Gearbox

– Exploded Diagram Drawings & Parts Lists

15-17

Troubleshooting Advice

General Information

Workshop Tools

Accessories

Summary of Contents for MASTER 35

Page 1: ...NEW MASTER 35 PETROL GASOLINE IMPACT WRENCH Couper Street Glasgow G4 0DL United Kingdom Tel 44 0 141 552 5591 Fax 44 0 141 552 5064 E mail enquiries airtecinternational co uk ...

Page 2: ... of the Master 35 Petrol Gasoline Impact Wrench 1 Square Drive powered by special Emak Engine Serial No MA Detailed information on weight noise vibration etc is contained in this Operation Manual to which this declaration relates and is in conformity with the relevant standards of the undernoted European Union 2006 42 EC Machinery Directive In addition to the above Laws the Wrench meets the manufa...

Page 3: ... IMPACT WRENCH MAINTENANCE MANUAL CONTENTS DESCRIPTION PAGE NUMBER Uses Technical Information 1 Safety Precautions 2 Operating Controls Illustrations 3 Operating Controls Instructions for use 4 Start Stop Operation 5 Basic Workshop Safety Rules 6 Routine Service 7 Motor Repairs 8 Motor Parts Exploded Diagram Drawings and Parts Lists 9 13 Impact Unit Repairs 14 Impact Unit Gearbox Exploded Diagram ...

Page 4: ... sight glass with Wrench in the horizontal position Change Oil every twelve months 5 IGNITION DIGITAL Spark Plug Champion RCJ 4 or equivalent Gap should be 0 5mm 6 IMPACT MECHANISM Fill with 130 grammes 41 2 oz of Molybdenum Disulphate Grease Castrol MS3 Klubern N12MF Valvoline NLG 1 2 or equivalent Grade 2 quality 7 NOISE Operation levels based on ISO3744 Acoustic Pressure LpA 101 7 dBA Power LWA...

Page 5: ...meet EUR5 and EPA 3 Standards It will become HOT during and after use Please AVOID direct contact 5 Know where the controls are and how to use them and be able to STOP the Wrench quickly in an emergency 6 Do Not Operate in confined spaces because of the danger of Carbon Monoxide being present 7 Remove FUEL FILLER CAP CAREFULLY as pressure can build up in the tank This is very important in warm wea...

Page 6: ...De Compression Button 8 Oil Filler Plug with Sightglass 3 Recoil Starter Handle 9 Fuel Filler Cap 4 Throttle Trigger 10 Location of Serial Number Label 5 Trigger Lock 11 Air Filter Cover Clips 6 Gear Lever OPERATING CONTROLS ILLUSTRATIONS 2 10 8 7 6 3 11 9 1 4 5 3 ...

Page 7: ... The gears are stationary when the Motor is idling at tickover speed Select the gear required If it will not engage gently squeeze the throttle trigger so the gear parts move slightly 7 SOCKET SQUARE DRIVE Standard 1 Square Drive The Accessory is secured to the Square Drive by a Rubber Ring and a 5mm dia Bright Steel Pin or other suitable retaining device If the Pin breaks or bends examine both Ac...

Page 8: ...pulls 8 Repeat step 3 A few pulls are sufficient to start the engine If the engine dies please repeat steps 2 3 4 and 5 The De Compression Button 2 automatically goes off when the engine fires 9 When the engine is running pull the trigger to achieve the engine idling Note If the engine is warm it is only necessary to engage the Choke for a few seconds DO NOT use the De Compression Button again 4 O...

Page 9: ...tes unnecessary noise 2 Empty fuel from the tank in a safe area before starting work on any Engine 3 If the Wrench has not been used for some time empty and clean the fuel tank 4 Under no circumstances smoke in a Workshop area 5 Keep work areas clean and free from old oil fuel and dirty rags which could ignite 6 Do not leave fuel in open containers 7 Use safety cans for the storage of fuel and do ...

Page 10: ...ear Selector 2870 1000 and remove from Gear Box Empty out old oil Fill gearbox with 0 25 litres 1 2 pint of Gazpromneft Reductor CLP68 Mobil Gerar 626 Carter EP68 Merpoa 68 Valvoline 80 90W or an equivalent non synthetic 68 viscosity Gear Oil Re fit Selector and fit screws using a suitable fastener locking fluid 6 GREASING HAMMER AND ANVIL Remove three nuts 2310 2061 four Screws 2300 0851 and Nose...

Page 11: ...ns The Carburettor is designed to allow limited adjustment of Screws L and H by one half turn which is factory set and should not be changed by the user Idle Screw T is adjusted to provide a safety margin between idle running and clutch engagement If the Anvil turns during idling lower the idle speed by turning Screw T out until the Anvil stops 5 Continued If engine cuts out turn idle screw in and...

Page 12: ...t Wrench MASTER MOTOR PARTS LIST CARBURETTOR Ref No Qty Part No Description 1 2 4003 4010 Spring 2 1 4003 4020 Min Adjustment Screw 3 2 4003 4030 Cap 4 1 4003 4040 Repair Kit 5 1 4003 3220 Carburettor 6 1 4003 4050 Max Adjusting Screw 9 ...

Page 13: ...70 Bearing 10 1 4003 5100 Motor Shaft 11 1 4003 0580 Bearing 12 1 4003 0600 Clutch Washer 13 1 4003 5130 Bearing 14 1 4003 1110 Clutch Complete Ref No Qty Part No Description 15 1 4003 3190 Gasket Kit 17 1 4003 0050 Spring 22 2 4003 5170 Piston Ring 23 2 4003 0140 Spring Clip 72 01198 24 1 4003 0800 Gudgeon Pin 25 1 4003 5200 Piston Kit 26 1 4003 5210 Complete Cylinder 27 2 4003 2060 Screw 28 1 40...

Page 14: ...4 4 4003 6040 Antivibration Bush 5 4 4003 6050 Screw 6 2 4003 0870 Rubber Mount 7 1 4003 6070 Cam 8 1 4003 6080 Throttle Lever 9 1 4003 6090 Spring 10 1 4003 6100 Lever 11 1 4003 6110 Cover 12 3 4003 6120 Screw 13 1 4003 6130 Fuel Tank Complete 14 1 4003 6140 Tube 15 1 1708 0070 Fastening Clip 16 1 4003 1075 Fuel Filter 19 1 4003 0460 Vent Tube 21 1 4003 6150 Cover 22 3 4003 2050 Screw 11 ...

Page 15: ...3 0440 Flywheel Ratchet Assembly 9 1 4003 2090 Flywheel Kit 10 1 4003 2100 Flange 11 1 4003 0690 Screw 12 1 4003 0700 Washer 13 1 4003 2130 Starter Pulley 14 4 4003 0096 Screw 15 1 4003 2150 Starter Spring 16 1 4003 2160 Washer 17 1 4003 0340 Starter Rope 18 1 4003 2180 Starter Handle 19 1 4003 2190 Starter Assembly 20 4 4003 2070 Screw 21 1 4003 2210 Plug 22 1 4003 2220 Cover MASTER MOTOR PARTS L...

Page 16: ...ort 11 2 4003 3120 Bush 13 1 4003 3130 Ground Cable 14 1 4003 3140 Cable 15 1 4003 3150 Ring 16 1 181 00118 Fuel Filter Cap Ref No Qty Part No Description 17 1 4003 3170 Crankcase 18 1 4003 3180 Seal 20 1 4003 3190 Gasket Kit 22 1 4003 3200 Screw 23 1 4003 3210 Cable Entry 24 1 4003 3220 Carburettor 26 7 4003 3230 Screw 36 1 4003 3240 Stop Lever 37 1 4003 3250 Screw 38 1 4003 3260 Screw 39 1 4003 ...

Page 17: ...Check for wear and damage Remove Satellite Gear 035551 by tapping inwards and then remove it and the Gear Cluster Check both for wear or damage Assemble in reverse order When rebuilding the Gearbox always fit new Seals and Gaskets Use Gasket Kit 2890 1065 Please Note The Satellite Gear has a chamfered edge which MUST be re fitted in the same way as before 5 DISMANTLING COMPLETE HAMMER 035309 Place...

Page 18: ...61 Locknut 4 9 2 2400 1050 Lock Washer 5 1 2650 1050 Fuel Tank Protection Plate 6 1 2810 1072 Engine Complete IMPACT UNIT GEARBOX AND CARRYING HANDLE Ref No Qty Part No Description 8 3 4003 2050 Screw 9 1 2700 0200 Retention 10 1 2580 0050 Fixing Screw 11 1 2310 2061 Locknut 12 1 2580 0814 Screw 13 4 2300 0520 Screw 14 2 2300 0635 Screw 15 4 2400 7060 Lock Washer 16 4 2400 2080 Flat Washer 17 1 26...

Page 19: ...New Master 35 Petrol Gasoline Impact Wrench IMPACT UNIT AND GEARBOX DETAILED 16 ...

Page 20: ...sh 32 1 035549 Satellite Pin 33 1 2580 0090 Gear Lever 34 1 035112 Gear Selector 35 1 135114 O Ring 36 1 2360 0397 Ball Ref No Qty Part No Description 37 1 035523 Spring 38 1 035111 Gear Lever Flange 39 1 035107 Reverse Lever 40 1 035554 Pin 41 1 135110 Ring 42 1 2300 0620 Screw 44 1 035561 Ring Flange 45 1 2343 0520 Ring Seal 46 1 2332 0351 Bearing 47 1 2332 0300 Bearing 50 1 035568 Hammer Casing...

Page 21: ... your Service Dealer Engine does not reach full speed and or emits excessive smoke 1 Check oil fuel mixture 2 Air Filter dirty 3 Carburettor requires adjustment 1 Use fresh fuel and the correct 2 cycle oil mix 2 Clean per instruction in Maintenance Air Filter Section 3 Contact Service Dealer Engine starts runs and accelerates but will not idle Carburettor requires adjustment Turn Idle speed screw ...

Page 22: ...028090 EXHAUST FLANGE 40000307 PISTON LOCK STOP 40028059 COIL FLYWEHEEL GAUGE 40000308 FLYWHEEL PULLER 40000306 SPANNER FOR RUBBER MOUNTS 40000303 SCREWDRIVER FOR CARB ADJUSTMENT 40000325 SPECIAL TOOL WORKSHOP TOOLKIT 4000 0290 Contains all Tools and Equipment shown above except Electronic Rev Counter plus Flange Cover 4000 0315 and tools for old Master Impact Wrench 19 ...

Page 23: ...16 Sockets 1 Over one hundred Imperial and Metric sizes Square Bi Square Rectangular Hexagon and Butterfly Standard and Deep Attachments European Hex American Hex Graff Round METAL CARRYING BOX Will hold a Wrench and Accessories AUGERING 1 Buy your GENUINE SPARE PARTS AND ACCESSORIES FROM OUR AUTHORISED DISTRIBUTOR IMPACT Sockets 7 8 For use on all Track Screwing Machines Quick Release and Standar...

Page 24: ...aster 35 Petrol Gasoline Impact Wrench Couper Street Glasgow G4 0DL United Kingdom Tel 44 0 141 552 5591 Fax 44 0 141 552 5064 E mail enquiries airtecinternational co uk Website www airtecinternational co uk ...

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