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Mounting the Downrigger on the Base 

 

Slide body over the lip of the base, with boom 

outboard or facing the stern. Lift Lock Knob to hold 
threaded shaft clear of base until body completely 
covers base. Turn Lock Knob clockwise to tighten 
the downrigger to the base.  

 
Tip: 

Periodically check base to ensure integrity. 

The base should be replaced at least every 5 years.  

 

Setting Up Your Downrigger 

Attaching the Boom 
Telescopic Boom 

 

The intermediate section of the telescopic boom 

must be extended approximately 5" before the 
boom locking screw can engage the hole in the 
boom. Slip the boom end into the frame and align 
the holes. Secure with boom locking screw. 
 

To adjust boom length, with the boom extending 

away from you, rotate clamps approximately 1/4 
turn counter - clockwise to unlock, and slide boom 
section to desired position. To lock, rotate clamp 
clock-wise until tight. 
 

The Standard 24 Inch Boom inserts into the 

downrigger frame. Be sure that the boom is held 
securely by seating it firmly against the shoulder 
inside the fame and fastening the boom locking 
screw such that it engages the hole in the boom. 
 

Assemble Swivel Head To Boom 

 

Insert the telescopic boom-end into the boom-

align holes and fasten in place with a #8 x 5/8 
screw. Spread the swivel head side plates and 
slip the assembly over the boom end axle. Snap 
the assembly together and install two #4 x 1/2" 
screws into the swivel head. 
 

TIP: 

Adjusting the angle of the boom head can help 

control cable wrap on the reel. 
 

TIP: 

Whenever downriggers with boom lengths 

beyond 24" are used, 

Cannon's Retro-Ease 

Weight Retriever 

will make bringing in the weight 

safe and easy. It attaches to the cable below the 
boom end allowing you to pull the weight to yourself 
without having to lean way out or collapse the boom 
to reach the weight. 

Lock Knob 

3/4"-Long Boom 

 

The Locking Screw Must 
Engage Hole in Boom  

Clamps 

Standard 24" 

Boom 

Swivel Head 
Boom 

#8 x 5/8" 
Screw (1) 

#4 x 1/2" 
Screws (2) 

MOUNT

I

NG & S

E
TUP 

Summary of Contents for Mag 20 Dt/Hs

Page 1: ...ns CAUTION READ THIS MANUAL CAREFULLY BEFORE OPERATING YOUR NEW CANNON DOWNRIGGER RETAIN FOR FUTURE REFERENCE MAG 20DT ts Introduction to Downriggers pg 2 MAG 20 DT New Features pg 3 Mounting Your Dow...

Page 2: ...Michigan introduced Pacific salmon into the Great lakes in an attempt to revitalize its sport fishing industry From this successful transplant new fishing techniques and equipment were developed One s...

Page 3: ...pin plugs into the fish finder communication port Additional Mag 20 DTs are connected to each other in a chain with the 019634 Mag 20 Remote Cable The last downrigger in the chain must be terminated w...

Page 4: ...at the junction of two rail sections with the aid of two pieces of plywood They will protect your rail from any marks from the clamp and provide a non slip surface Arrows Indicate Mounting Locations D...

Page 5: ...so recommended to install two additional flat head screws through the top plate for stabilization you will need to drill and countersink NOTE In no case should this mount be used on fiberglass thick o...

Page 6: ...on Your Boat Decks up to 7 16 thick Where access to the underside of the deck is not available the mounting base can be mounted using wellnuts Use the base as a template to mark locations and drill f...

Page 7: ...ndard 24 Inch Boom inserts into the downrigger frame Be sure that the boom is held securely by seating it firmly against the shoulder inside the fame and fastening the boom locking screw such that it...

Page 8: ...ap Swivel Tip A set of pliers with wire cutters is recommended for this part of setup Examine the top of the terminator and note the order shown in the detail to run cable Unwind about 2 feet of cable...

Page 9: ...5 degree increments Slide the rod holder tube into the clamp to the desired position within the recommended area see below Be sure the angled shoulders are facing up Place the locking disk into the ma...

Page 10: ...e the sacrificial zincs are replaced when half dissolved This ensures that the boat will run with a neutral or slightly positive charge Clean zincs on a regular basis with a non corrosive brush Always...

Page 11: ...tually all the time See below for the recommended wiring setup NOTE To ensure proper operation of your Mag 20 DT ground its battery to your boat s electrical system s ground Malfunctions with the PIC...

Page 12: ...n on your rod and reel Lowering the Weight The Mag 20 DT can lower the trolling weight manually or powered Manual Descent Fast or Slow By turning the clutch knob gently clockwise toward the boom you c...

Page 13: ...aft hole not just be tightened against the shaft Caution The brake adjust knob clutch should be adjusted so that it is tight enough to hold the weight and the lure at the speed you are trolling Over t...

Page 14: ...r boat has an electrical charge around the hull in water If a boat is properly bonded and properly zinced that charge should be slightly positive when measured from ground to the downrigger cable Posi...

Page 15: ...t up to measure the PIC voltage just plug in the Mag 20 DT and adjust the PIC knob to the voltage desired Using Positive Ion Control Positive Ion Control is very effective when trolling The zone of at...

Page 16: ...no lures attached and with no current Current drag water salinity and the use of non Cannon products will affect your actual trolling depth As an example the first chart shows that if you are trolling...

Page 17: ...e the set screw 3 Align the set screw hole in the reel with the hole in the reel shaft by inserting a 3 16 or smaller rod and rotating the reel until you feel it drop into the shaft hole 4 Replace the...

Page 18: ...e fish on a vertical plane Place lures in areas where fish might be Skilled fishermen call these areas the strike zones They include the edges of the week beds structure along bottom drop offs preferr...

Page 19: ...states do not allow limitations on how long an implied warranty lasts or the exclusion or limitation of consequential damages so the above limitation or exclusion may not apply to you This warranty g...

Page 20: ...001 810 794 5951 MINNESOTA Electrotech 1332 E 4th St Duluth 55805 218 727 8919 Lake of the Woods Marine 3208 Bur Oak Rd Baudette 56623 213 634 2289 NEVADA Pyramid Lake Store 29555 Pyramid Hwy Sutcliff...

Page 21: ...TM MAG 20 DT HS 1902200 Form No 3394903 Rev 12 06...

Page 22: ...UBE CLAMP 24 2286792 SWITCH UP DN CONTROL 65 9010002 BEARING MOTOR SHAFT 106 2219823 MID TUBE CLAMP 25 2286793 WASHER SHIM 750 x 1 UP DN SWITCH 66 2263112 NUT HEX 10 32 BZ 107 2222825 MID TUBE COLLET...

Page 23: ...TM MAG 20 DT HS E 1902201 Form No 3394922 Rev 12 06...

Page 24: ...TELESCOPIC BOOM 24 3395702 DECAL POSITIVE ION CONTROL 65 700032 TERMINAL MOTOR FEM 12 10 2 EA 106 2219822 BASE TUBE CLAMP 25 2286792 SWITCH UP DN CONTROL 66 9010002 BEARING MOTOR SHAFT 107 2219823 MID...

Page 25: ...TM MAG 20 DT TS 1902205 Form No 3394908 Rev 12 06...

Page 26: ...N CONTROL TS 62 1497070 GEAR WORM MOTOR 101 2219823 MID TUBE CLAMP 24 2286792 SWITCH UP DN CONTROL 63 9250001 PIN MOTOR 3 32 X 3 4 ROLL SS 102 2222825 MID TUBE COLLET 25 2286793 WASHER SHIM 750 x 1 UP...

Page 27: ...TM MAG 20 DT TS E 1902206 Form No 3394921 Rev 12 06...

Page 28: ...T TS 63 1497070 GEAR WORM MOTOR 103 2222825 MID TUBE COLLET 24 3395700 DECAL POSITIVE ION CONTROL TS 64 9250001 PIN MOTOR 3 32 X 3 4 ROLL SS 104 2222826 BASE TUBE COLLET 25 2286792 SWITCH UP DN CONTRO...

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