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General Maintenance Check List:

Always disconnect electrical power and air supply.
1. Keep machine clean—especially around pivot bracket and pivot bearings.
2. Blow off and clean;

A. Around air cylinder.
B. Spherical rod ends.
C. Pivot tube attached to the bottom of the air cylinder—especially at the pivot points.

3. Check Air Filter Bowl for water and condensation build up.
4. Remove any scrap pieces and dust build up from inside floor stand cabinet.
5. Check monthly:

A. For excessive belt wear.
B. Make sure motor pulley set screws are tight.

Repair and Service:

Always use CTD factory authorized replacement parts and consult factory before making any repairs or
adjustments which may be unclear.

Irregular Mitres:

Irregular mitre cuts are almost always caused by out-of square material. Check your material with a 90

square

and a straight edge. Material that has a high spot on the bottom, will move or roll forward as it is being cut
(even with pneumatic hold down clamps), thereby causing the blade to cut more on the inside of the moulding
than the outside. Another cause of irregular mitre cuts is too thin a plate thickness on blades. Blade plate
thickness should be .090 to .100 on 10” blades, and .095 to .110 on 12” blades. Blades will find the easiest
avenue to cut through material, and sometimes the blade plate will distort when cutting heavier sections. The
drawing below is an example of a cut when blade plate is too thin for the material being cut.

Fence Alignment and 45

Angle Adjustment of Blades:

All D45’s are present at the factory for perfect 45

double mitre cuts. If any adjustments are necessary;

1. Check alignment of front fences—left to right as shown in Diagram “F” on Page No. 5). Use a two foot

steel scale or quality precision straight edge and lay flat on table base. Butt edge against fence bracket and
long measuring gage. Touch the outside corner of the straight edge. If one side of the straight edge pulls
away from the fence, then the long fence gage is not in alignment with the Left Fence Bracket, P/N
15M36L.

2. Loosen 3/8-16 lock nut on Right Fence Bracket, P/N 15M36R and Fence Support Angle, P/N 15F82.

Clean all surfaces of dirt or dust, and re-assemble as before.

3. Re-align right fence to left fence with your straight edge. Once you are sure both fences are in alignment,

you now have a reference point to check your 45

mitre.

If adjustment ot the 45

mitre settings are necessary, you will need a precision draftsman’s triangle. Check

the 45

mitre by placing the triangle against the left fence and in between the gullets or teeth of a Carbide Blade

Touch the triangle against the steel plate of the blade—not against the tips. If an adjustment is necessary;
A. Loosen the three lock down nuts for the pivot bracket, using 9/16 wrench (see Diagram “E” on Page No. 4).
B. Locate Eccentric Pin, No 11 in Diagram “D”. There is a lock bolt (1/4-20x1” bolt with nut) that locks

the eccentric pin in place (see Diagram “E”). Loosen nut and bolt. Adjust eccentric pin until blade plate
aligns perfectly with precision triangle. Now, tighten the eccentric pin lock bolt and nut.

C. Tighten three lock down bolts for the pivot bracket.