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CEN-TECH 40963, Руководство по установке и эксплуатации, Страница: 11 / 16

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Page 11

For technical questions, please call 1-800-444-3353.

SKU 40963 

        

Small engine Timing

The Timing Light can be used to test 

1. 

the timing on any combustion engine 

that utilizes an impulse or magneto 

ignition, such as motorcycles, lawn 

mowers, or outboard motors.  If the 

product does not have a 12 V battery 

then use an external battery.
Connect a ground from the external 

2. 

battery’s Negative Post to the engine.  
Connect the red clip of the Timing 

3. 

light to the Positive Terminal of the 

Battery and the black clip to the 

Negative Terminal of the Battery.  

Connect the Spark Plug Clamp of the 

Timing Light to the spark plug wire 

with the arrow pointing towards the 

spark plug.  

rotary engine Timing

1.  Connect the red and black power 

leads to the battery.  Connect the 

Spark Plug Clamp to the wire for the 

leading spark plug on the front rotor 

housing.
Start engine and run it at idle speed.

2. 

3.  Aim the Timing Light at the timing 

indicator pin of the front cover.
Loosen the distributor locking nuts 

4. 

and rotate the leading side distributor 

body until the timing mark on the 

eccentric shaft pulley is in line with 

the timing indicator pin.
Tighten locking nuts and recheck 

5. 

timing.
Repeat this process to set the trailing 

6. 

side distributor timing.

Содержание 40963

Страница 1: ...portion of this manual or any artwork contained herein may be reproduced in any shape or form without the express written consent of Harbor Freight Tools Diagrams within this manual may not be drawn proportionally Due to continuing improvements actual product may differ slightly from the product described herein Tools required for assembly and service may not be included For technical questions or...

Страница 2: ...asics 6 When to check timing 7 Operating Instructions 8 Timing Adjustment 9 Testing Centrifugal Advance 9 Testing Vacuum Advance 10 Checking Distributor Cam Wear 10 Small Engine Timing 11 Rotary Engine Timing 11 Maintenance And Servicing 12 Cleaning Maintenance and Lubrication 12 Troubleshooting 13 Parts List 14 ASSEMBLY DIAGRAM 15 LIMITED 90 DAY WARRANTY 16 ...

Страница 3: ...h or serious injury CAUTION used with the safety alert symbol indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE is used to address practices not related to personal injury CAUTION without the safety alert symbol is used to address practices not related to personal injury General Safety Rules WARNING Read all instructions Failure to follow all inst...

Страница 4: ...s Dress properly Do not wear loose e clothing or jewelry Keep the hair clothing and gloves away from moving parts Loose clothes jewelry or long hair can be caught in moving parts Diagnostic tool use and care 4 Do not force the diagnostic tool Use a the correct diagnostic tool for the application The correct diagnostic tool will do the job better and safer at the rate for which it was designed Do n...

Страница 5: ...ork before connecting the tool This product is not a toy Keep it out 3 of reach of children People with pacemakers should 4 consult their physician s before use Electromagnetic fields in close proximity to heart pacemaker could cause pacemaker interference or pacemaker failure Caution is necessary when near coil spark plug cables or distributor of running engine Engine should be off during distrib...

Страница 6: ...ossible Tips Timing Light Basics Automobile engines work by mixing air fuel and a spark to ignite the fuel air mixture creating an explosion that powers the vehicle Maximum power from the explosion must be delivered to the engine at a precise instant Attaining that precise instant is called Timing Timing is essential for fuel economy and power Automobile engine manufacturers determine the exact ti...

Страница 7: ... engine Also refer to the vehicle service manual or contact the manufacturer for the timing specifications for the particular engine When to check timing The instant that the spark plug fires is determined by the opening of the distributor ignition breaker points and will change any time the point gap or dwell angle is changed Normal wear on the breaker point rubbing block will change the dwell an...

Страница 8: ...uctions require it locate the vacuum line that attaches to the ignition distributor vacuum advance and disconnect the line and plug the end of it A golf tee or small pencil may be used to plug the line Note The Spark Plug Clamp is fragile and may break if dropped or struck sharply Timing Light Hook Up Spark Plug Clamp 1 Spark Plug 6 Connect the timing light to the 12 V Battery and connect the Spar...

Страница 9: ...change the position of the distributor Start the engine and recheck the 6 timing If the timing is incorrect the distributor may have moved while bolting it down Reset the timing If you have no other tests to perform 7 with the Timing Light turn off the engine and reconnect the vacuum line If you have further tests first check to see if the vacuum line needs to be connected for those tests Testing ...

Страница 10: ...th vehicle service manual Checking Distributor Cam Wear This test is done after the timing has 1 been set and the timing light lines up with the reference pointer for cylinder number 1 1 Cylinder Opposite Cylinder 8 Cylinder 3 1 6 2 5 4 7 8 Opposite Cylinder 1 Cylinder 6 Cylinder 1 6 4 3 2 5 1 Cylinder Opposite Cylinder 4 Cylinder 2 3 1 4 Note The opposite cylinder is opposite the 1 Cylinder on Di...

Страница 11: ... Negative Terminal of the Battery Connect the Spark Plug Clamp of the Timing Light to the spark plug wire with the arrow pointing towards the spark plug Rotary Engine Timing 1 Connect the red and black power leads to the battery Connect the Spark Plug Clamp to the wire for the leading spark plug on the front rotor housing Start engine and run it at idle speed 2 3 Aim the Timing Light at the timing...

Страница 12: ...ore further use Cleaning Maintenance and Lubrication BEFORE EACH USE 1 inspect the general condition of the tool Check for loose hardware misalignment or binding of moving parts cracked or broken parts damaged electrical wiring and any other condition that may affect its safe operation After Use 2 wipe external surfaces of the tool with clean cloth To check the Lamp Rubber Sleeve 3 Bulb Cover 4 Xe...

Страница 13: ... flash but double check indicator is ON Spark Plug Clamp flipped backwards 1 Weak ignition or spark plug 2 Faulty lamp 3 Make sure arrow on clamp points to 1 1 plug Connect to other plugs or spark plug 2 wires Repair Gap Replace fault lamp 3 Light flashes intermittently Timing Light Spark Plug Clamp wire lying on or near to the other spark plug wires Route Spark Plug Clamp wire away from the other...

Страница 14: ...or warranty of any kind to the buyer that he or she is qualified to make any repairs to the product or that he or she is qualified to replace any parts of the product In fact the manufacturer and or distributor expressly states that all repairs and parts replacements should be undertaken by certified and licensed technicians and not by the buyer The buyer assumes all risk and liability arising out...

Страница 15: ...Page 15 For technical questions please call 1 800 444 3353 SKU 40963 ASSEMBLY DIAGRAM ...

Страница 16: ...ncidental or consequential damages so the above limitation of exclusion may not apply to you This warranty is expressly in lieu of all other warranties express or implied including the warranties of merchantability and fitness To take advantage of this warranty the product or part must be returned to us with transportation charges prepaid Proof of purchase date and an explanation of the complaint ...

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