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USE

EXTREME CAUTION

WHEN

OPERATING ANY POWER EQUIPMENT!

1. Do not operate this machine until you have read and

understand all instructions for proper use.

2. Do not operate unit when not running smoothly.

3. Keep hands and feet out from under towing equipment.

4. Operate in well ventilated area.

5. Do not leave a running machine unattended.

6. Do not operate electric unit in wet conditions or if cords are frayed.

7. Do not start engine when unit is in gear.

8. Hangar storage area should include anchored chocks to

control inadvertent movement of planes into hangar walls.

9. Do not change gearing to increase speed.

10. Do not move planes up any inclines...flat surface only.

11. Do not attach any device to activate throttle when both hands - 

are not on throttle control.

12. Do not run engine without checking oil level.

13. Do not spill gasoline on hot engine.

14. Do not smoke when filling tank with gasoline.

15. Use caution when operating machine on icy / slippery surfaces.

16. Do not move planes in excess of speed that cannot be easily

stopped... there is no braking device on the unit.

17. Do routine maintenance to insure proper operation of unit.
18. Do not use unit if the Powertow engine is not running smoothly.

We hope you enjoy this Northwest Manufacturing product.

It was designed and built to give many years of reliable 

service with proper use and routine maintenance.

Summary of Contents for 65 EZ VIPER

Page 1: ...OWNER S MANUAL N O R M S T MANUFACTLIIuwm I N 9101010jj ...

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Page 4: ...after handle assembly Remove the black 3 8 bolt from the engine plate Remove the 5 16 x 2 1 2 bolts from handle and use to attach handle to rear of engine plate reinstalling the 3 8 top bolt But only finger tight Bolt needs to be fairly loose until final adjustment Tighten the two bolts in front of each caster into frame But only finger tight Bolt needs to be fairly loose until final adjustment Se...

Page 5: ...ard is in the closed tow position The two wing nuts hold it secure Refer also to the Adaptor Adjustment Page Brake Handle Attach to right handle bar Your brake adjustment will be pre set however with time you may need to adjust either the brake lever or where the cable adjuster enters the engine plate Throttle Cable Control Attach to the upper left side of handle up and over handle not under Cable...

Page 6: ...RAFT TRY OUT THE POWERTOW UNDER POWER BY ITSELF TO GET USED TO THE CLUTCHING CONTROL EZ HOOK UP Open the lanyard handle move unit up to aircraft at an angle slightly from the right side to engage the stationary adaptor By using the stationary arm adapter as a pivot to lift the wheel you can swing the machine to your left far enough to engage the hookup while pulling the lanyard lever into the down...

Page 7: ...e open for a few minutes to break in a new belt You can also stop by lifting the Powertow handle up Steering Steering is accomplished by lifting and shifting the Powertow handle left or right just like a hand towbar In the case of a heavy plane especially with cold tires a rocking technique with power applied and using down handle pressure at the right time get the plane rolling Tips Door Tracks T...

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Page 10: ...y and make sure they are in the exact same plane level Check to make sure belt guides are in place Check Clutch arm and make sure it is adjusted up and not Hanging down against the belt BELT SLIPS OFF PULLEY Tighten turnbuckle check to make sure motor and transmission pulleys are in line CLUTCH DOES NOT RELEASE Lengthen cable at turnbuckle Check belt guides See clutch cable this page Check Clutch ...

Page 11: ...nge gearing to increase speed 10 Do not move planes up any inclines flat surface only 11 Do not attach any device to activate throttle when both hands are not on throttle control 12 Do not run engine without checking oil level 13 Do not spill gasoline on hot engine 14 Do not smoke when filling tank with gasoline 15 Use caution when operating machine on icy slippery surfaces 16 Do not move planes i...

Page 12: ... com Homepage www powertow com 7 2009 Thank you for buying POWERTOW NOTE Adding any unauthorized third party attachments or accessories to any Powertow Voids all warranty and claims of responsibility by Powertow or Northwest Mfg its parent company Any damage to tow or aircraft is the responsibility of the aircraft owner and accessory manufacturer ...

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