HMI Wilkinson ST 50 Assembly Instructions Manual Download Page 1

  

 

 

  

Set the action at the nut.

Set the action at the bridge 

 

 

 

 

Adjust the pickup height

The last step is intonating the guitar by adjusting 

the string lengths at the bridge saddles so the 

guitar plays in tune all the way up the neck.

Using a strobe or other accurate tuner, first tune 

the strings to pitch. Then, press the high E string 

lightly at the 12th fret using just enough pres-

sure to sound the note. Check it with your tuner.

If the note reads flat, the saddle needs to be 

adjusted forward towards the nut, shortening the 

length of the string.

If the note reads sharp, the saddle needs to be 

adjusted back away from the nut, increasing the 

string length.to set the intonation

Adjust the action at the bridge by raising or

lowering the string saddles.  Measure string 

height over the 12th fret between the bottom of 

the string and the top of the fret.

A good starting point is:

High (unwound) E string: 1/16" at the 12th fret 

Low (wound) E string: 5/64" at the 12th fret

You can always go lower or higher depending on 

your playing style. After setting the two E strings, 

dial in the remaining strings to match the curve of 

the fretboard. Stew Mac 7.25” Radius guage 

included in the set # 0353 is ideal for this ..

Holding down the low E and high E strings at 

the 22nd fret, adjust the bass side of the pick-

ups to 5/64" from the top of the pickup pole to 

the bottom of the low E string.  

Adjust the treble side to 1/16".

Set the intonation

Lower your string nut slots for better playability  

using gauged nut files.  Measure string height 

over the 1st fret, between  the bottom of the string 

and the top of the fret. A comfortable medium 

action is: Unwound strings (G, B, E): 0.012" at the 

1st fret,  wound strings (E,A,D): 0.020" at the 1st 

fret  Use feeler gauges to measure the gap,  or 

use guitar strings whose gauges match the meas-

urement you’re after.  Stop when the string sits on 

your feeler gauge. Go slow and check your work 

frequently—it’s easy to go too far in this step and 

ruin the nut.  

Your guitar is now be ready to play and ENJOY !!

Now Re-tune your guitar and check the action .

Sight down the neck and check for any Over bow (bending backwards causing string buzz on an 

open string or Under bow on the neck causing a higher than necessary action in the midle of the 

neck when playing. Adjust the optimum action with the truss rod. 

Assembly Instructions

ST 50 / ST 60 models

Welcome to the wonderful world of guitar building!

These are the tools and supplies we recommend for assembling this kit.  

(Stew Mac item numbers are included where applicable.)

Nut-slotting files  

0.010" width(#0821)

0.013" width (#0823)

0.020" width (#0828)

0.035" width (#0832)

0.042" width (#0833)

0.046” width (#5313

Electric hand drill or Bench Drill press

Small Hammer # 4895

ESP Multi Spanner # 1344

Phillips screwdrivers, size #1 & #2 (#3000)

Understring radius guages Item # 0353

Center punch or awl (#3000)

Clamp (#3721)

Soldering iron

Drill bits: 1/16”  5/64“ 3/32” 7/64“ 1/8” 11/64“

Whether  you are a first time builder or Professional Luthier this kit will 

give you a top quality "Custom Shop grade"

Great  sounding, Great playing instrument.

This Kit Features Genuine Wilkinson Hardware, 

Tuners and Pickups. CTS pots and CRL switches.

Summary of Contents for Wilkinson ST 50

Page 1: ...0833 0 046 width 5313 Electric hand drill or Bench Drill press Small Hammer 4895 ESP Multi Spanner 1344 Phillips screwdrivers size 1 2 3000 Understring radius guages Item 0353 Center punch or awl 3000 Clamp 3721 Soldering iron Drill bits 1 16 5 64 3 32 7 64 1 8 11 64 Whether you are a first time builder or Professional Luthier this kit will give you a top quality Custom Shop grade Great sounding G...

Page 2: ...k and bridge for reference Once positioned mark out the mounting screw holes with a scribe or punch Drill pilot holes for the screws using a 1 16 drill bit Do not install the pick guard yet Mark the mounting holes for your jack plate then drill pilot holes for the screws using a 1 16 drill bit Drill the jack plate mounting holes Always countersink drilled holes slightly to stop any grain lift when...

Page 3: ...re they re in line with one another and square to the edge of the peghead Mark out your mounting holes with a scribe or punch Tuner mounting screws are very delicate and will break off if forced into hard maple Use a 5 64 drill bit to make pilot holes for the screws if these holes are any smaller you risk shearing off the screw heads Lubricate the screw threads with the Wilkinson Slipstick provide...

Page 4: ... plate sitting flat on the body screw each of the pivot screws in to the body through the bridge plate but leave a small gap between the underside of the head and the top plate allowing the plate to fulcrum un handed This will ensure a perfect retern to Zero when in use and the full travel of the fulcrum action of the vibrato Install one spring in the centre of the spring block with enough tension...

Page 5: ...ners to check alignment and make side to side adjustments to the neck as needed to make sure the strings ride even along both edges of the fretboard When you are happy with the alignment of the neck use the holes in the body to mark the hole locations in the heel of the neck A scribe nail or transfer punch will make clean marks in the neck to show you where to drill A 1 8th brad point drill bit tu...

Page 6: ...n lift when installing screws Do not install the jack plate yet Now you can fit the pickguard and Jack plate Use the screws provided and don t forget a little Wilkinson Slipstick on the threads to make the install even simpler Solder the output jack Enlarge the 4 screw holes in the body with 11 64 drill bit The body holes are drilled intentionally small to allow the neck holes to be perfectly alig...

Page 7: ...elief refers to adjusting a neck so that it has a very slight upbow rather than being perfectly straight This relief allows a little more room for string vibration reducing the chance of hitting the lower frets and causing fret buzz Depending on your playing style and how perfectly level your fret tops are a neck should be anywhere from perfectly straight to having 0 012 of relief This measurement...

Page 8: ...strings dial in the remaining strings to match the curve of the fretboard Stew Mac 7 25 Radius guage included in the set 0353 is ideal for this Holding down the low E and high E strings at the 22nd fret adjust the bass side of the pick ups to 5 64 from the top of the pickup pole to the bottom of the low E string Adjust the treble side to 1 16 Set the intonation Lower your string nut slots for bett...

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