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XL-Saw Calibration and Maintenance Instructions
End of Shift Cleaning
LEAD SCREW: Move Z-Axis to "Clean Position" and use a
wire brush to clean off saw dust build up on lead screw,
and spray with white lithium grease. Do not use excessive
WD-40 near ACME nut, it can cause damage. Home Z-Axis
and confirm it fully reaches hard stop.
FEED ROLLERS: Spray with WD-40 and scrub with a wire
brush, thoroughly clean all grooves. Inspect grooves and
peaks for sharpness. Light cleaning during shift is
suggested.
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1) Check that taper locks in feed rollers are tight, have 2 bolts each, and that keyways are present with no play
OIL UPPER CARRIAGE: Drop a few drops of tool oil into
the access TEE just before upper carriage ceram valve.
IDLE ROLLERS: Spin each of the (6) upper and lower idle
rollers. Rollers should spin freely with no lateral play.
Replace bearings if any resistance or play is found.
Failing bearings can cause expensive shaft damage.
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Summary of Contents for TCT XL-Saw
- Page 1 XL-Saw Calibration and Maintenance Instructions End of Shift Cleaning LEAD SCREW: Move Z-Axis to “Clean Position” and use a OIL UPPER CARRIAGE: Drop a few drops of tool oil into wire brush to clean off saw dust build up on lead screw, the access TEE just before upper carriage ceram valve.
- Page 2 Note About Using This Guide All the following steps must be followed IN ORDER. Failure to perform calibration steps in order will result in inaccurate calibration. STEP 1: Adjusting Upper Clamp Hard Stops STEP 2: Upper Idle Roller Hard Stops STEP 3: Saw Height STEP 4: ACME Lead Screw Nut Retainer Tension STEP 5: ACME Lead Screw to Motor Connection (Lovejoy Coupling)
- Page 3 STEP 1: Adjusting Upper Clamp Hard Stops Insert a (straight) 2x4 and clamp in place with both infeed and outfeed. The infeed stop should be 1/4” gap before it hits the pan, and the outfeed should be 1/16” gap before it hits the pan (You should just be able to get a 25 cent piece under the bolt).
- Page 4 STEP 3: Saw Height With board still clamped fully in the saw, check first XL-Feeder chain. If board is dragging on chains, the height of the saw needs to be adjusted. Saw should remain level in relation to all four feet. Adjust until board lightly touches first chain with board clamped in both rollers.
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Page 5: Interior Exterior
STEP 6: Lower Idle Roller Height With a straight level resting across both feed rollers: Idle rollers should be 1/16” lower than the feed rollers. Adjust bolt and jam-nut to correct the height only if necessary. Rollers should not vary from their factory settings. 1/16”... - Page 6 STEP 8 (L): Check Board Travel (LEFT HAND FEED MACHINES) A) Place a very straight 16-0-0 board into the in-feed clamps (only infeed, leave outfeed unclamped) so the front end is just beyond the infeed roller. Clear all hands away from clamps. Engage infeed ceram valve at the red button as shown below.
- Page 7 STEP 8 (R): Check Board Travel (RIGHT HAND FEED MACHINES) A) Place a very straight 16-0-0 board into the in-feed clamps (only infeed, leave outfeed unclamped) so the front end is just beyond the infeed roller. Clear all hands away from clamps. Engage infeed ceram valve at the red button as shown below.
- Page 8 STEP 9: Front Cleanup and 90 Degree Go to jobs/calibration and select a length test, any length of cut will work. Make sure the temporary front clean up on the main screen is set to zero. Using the widest lumber possible, cut just the front edge. Hit cycle stop as soon as the front cut is made and jog the board out of the machine before the second cut is made.
- Page 9 STEP 10: Blade Center of Pivot Open cage door, then make sure machine is completely powered down. Place a 4’ level just inside the blue 6”x6” frame tubes, set on top of the roller pans. Secure level into place by clamping it directly to post. It is critical that the level is 100% even, or test results will not be accurate.
- Page 10 STEP 11: Blade Center of Pivot - Vertical Complete the previous test by measuring the top and bottom of blade. If this measurement is not even, check that up/down cylinder is positioned vertically. Adjust as necessary until vertical measurement is achieved. STEP 12: Kerf Test Go to jobs/calibration and select the kerf test file.
- Page 11 STEP 13a: 100” Test (For Software with Calibration Wizard) Open settings screen and select calibrate infeed scale factor. Follow on screen instructions. Once infeed is accurate, move to calibrate outfeed scale factor. Be sure to complete all steps in both infeed then outfeed before continuing. _____ STEP 13b: 100”...
- Page 12 Adjust z-axis home offset forward or back based measured point. Re-Home Z-Axis before cutting next test board. Repeat steps until double 45 ends in the center of the board. Z-Axis homing offset number should NEVER be negative on an XL-Saw!
- Page 13 If the cuts do not line up with each other you can diagnose what area of the XL-Saw needs to be adjusted by keeping the 4 boards in cut order. Select the “30-150 Test” file and out of one board, start off by cutting (2) 90-30 boards and (2) 90-150 boards as shown.
- Page 14 STEP 16: 30-150 Test Variations for a LEFT Hand Feed XL-Saw SCENARIO #2: Pieces 1 and 3 are long, pieces 2 and 4 are short. Problem: Blade is off center of towards the motor. Adjustment needed: Slide motor direction of arrow towards blade. See step #8.
- Page 15 STEP 16: 30-150 Test Variations for a LEFT Hand Feed XL-Saw (Continued) SCENARIO #6: Piece 1 is long, piece 2 is short, and pieces 3 and 4 are the same. Problem: Z-Axis Home Offset is too far back of saw and blade is off center toward motor.
- Page 16 XL-Saw Maintenance Schedule: Every 4 Hours Clean out excessive buildup of saw dust in saw cage Check for scrap pieces in saw cage Every Shift Completely clean out all saw dust inside and outside machine Clean and lube Z-axis acme screw...
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