Mod WAHTZ WAH K-985 Manual Download Page 2

2

Visit 

www.modkitsdiy.com

if you have any problems when first turning on your pedal for 

troubleshooting help.  Remember to use caution when applying power to the pedal to avoid electric 
shock.

TOOL LIST

Wire Strippers
Needle Nose Pliers
Cutting Pliers
Desoldering Pump
Solder (60/40 rosin core)
Soldering Station
Phillips Head Screwdrivers
Channellock Pliers (or similar type)
Ruler
Contact Cement or RTV Silicone Adhesive
Small Hammer
Small Metal File or Course Grit Emery Cloth (to clean off flash on some pedal parts)
½" Nut Driver or Small Adjustable Wrench (to tighten the input and output jacks)
¼" Pin Punch (to insert the bearing pin)
5mm Allen Wrench (to tighten the tension adjustment screw)
12 mm Wrench (to fasten the wah pot in its mounting bracket)
Contact Cement or other adhesive (to secure the tread and pedal bumpers)

TABLE OF CONTENTS

TOOL LIST

p. 2

PARTS LIST DRAWINGS

pp. 3 - 5

Wah Shell Parts

p. 3

Electronic Components & Additional Hardware

p. 4

SOLDERING TIPS

p. 6

STEP BY STEP ASSEMBLY INSTRUCTIONS

pp. 7 - 13

Section 1 - Wah Shell Assembly

p. 7

Section 2 - Mounting Large Components to the Base

p. 8

Section 3 - Final Assembly of Pedal Base and Treadle

p. 9

Section 4 - Wiring the Jacks, Pots, Footswitch and Terminal Strips p. 10
Section 5 - Mounting the Components

p. 10

Section 6 - Final Assembly

p. 12

Adjustment of the Footswitch Height

p. 13

Fixing a Squeaky Wah

p. 13

ASSEMBLY DRAWINGS (3 Drawings)

pp. 14 - 16

These are the last 3 pages.  They should be used as a reference for assembly.

Summary of Contents for WAHTZ WAH K-985

Page 1: ...d the long life potentiometer manufactured specifically for use in wah pedals is included to provide years of smooth quiet operation Point to point construction allows advanced kit builders to easily...

Page 2: ...Allen Wrench to tighten the tension adjustment screw 12 mm Wrench to fasten the wah pot in its mounting bracket Contact Cement or other adhesive to secure the tread and pedal bumpers TABLE OF CONTENT...

Page 3: ...in 1 Rear Bumper 1 Front Bumpers 2 Bottom Cover 1 Wah Base 1 Treadle 1 Rubber Tread 1 Mounting Screws 2 M4 x 0 70 L 16 mm Rack Assembly Parts Rack 1 Small Screw 1 M3 x 0 5 L 12 mm Hex Nut 1 M3 x 0 5 S...

Page 4: ...H Terminal Strip with 8 Terminals P 0802H 2 Terminal Strip with 2 Terminals P 0201H 1 Terminal Strip with 5 Terminals P 0501H 1 DPDT Foot Switch P H498 1 Battery Clip S H155 1 4 Screws 3 8 long S HS44...

Page 5: ...k red gold 1K R A1D5K 1 1 5k Resistor W brown green red gold 1 5K R A10K 1 10k Resistor W brown black orange gold 10K R A22K 1 22k Resistor W red red orange gold 22K R A33K 1 33k Resistor W orange ora...

Page 6: ...e a good solder joint Take your time with each connection and make sure that all components are connected and will remain connected if your project is bumped or shaken Bend the component lead or wire...

Page 7: ...er holders at the toe end This will cushion the footswitch when turning the pedal on and off Front Bumper Holders Remove the backing from the rear bumper and mount it in the hole on top of the holder...

Page 8: ...w with your fingers until its head is flush with the back of the L bracket Do NOT tighten this screw yet Slide the bearing pin out and set it aside The pillow block is now aligned for final assembly B...

Page 9: ...f the adjustment screw with a 5 mm Allen wrench so that the treadle stays in place when you remove your foot and so that it suits your playing preference Base Assembly Looking at the inside surface of...

Page 10: ...terminal 4 to pot lug 3 Do NOT solder the pot connection yet 8 Strip and tin a 1 piece of wire and connect pot lug 3 to footswitch lug 6 Now solder the pot connection 9 Strip and tin a 4 piece of wir...

Page 11: ...f the wire and crimp it around the terminal with needle nose pliers 5 Connect the 33K resistor to terminals 20 and 21 6 Connect the 4 7 F cap and 100K resistor to terminals 19 and 21 Make sure the neg...

Page 12: ...the full counter clockwise position If you measure the electrical resistance between pot lugs 1 and 2 with an ohm meter at this setting you should be measuring the pot s minimum resistance i e close t...

Page 13: ...ay foam block Place the bottom cover over the base and attach the base using the feet and their mounting screws Fixing a Squeaky Wah If you find that your wah pedal is squeaking when you rock the trea...

Page 14: ...Output Jack Input Jack DRAWING 1 RING LUG TIP LUG DC Power Jack GROUND LUG TIP LUG GROUND LUG INSIDE VIEW OF THE BASE ENCLOSURE 14...

Page 15: ...ut Jack Input Jack DRAWING 2 RING LUG TIP LUG DC Power Jack GROUND LUG TIP LUG GROUND LUG INSIDE VIEW OF THE BASE ENCLOSURE 1 2 3 4 5 6 1 2 3 17 18 20 21 22 23 1 2 3 4 5 6 7 8 19 9 10 11 12 13 14 15 1...

Page 16: ...GROUND LUG TIP LUG GROUND LUG INSIDE VIEW OF THE BASE ENCLOSURE 1 2 3 4 5 6 1 2 3 17 18 20 21 22 23 1 2 3 4 5 7 8 19 9 10 11 12 14 15 16 22 33K 4 7 F35V 68K 103K 400V 1 5K 103K 400V 470K 470K 1K 10K...

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