Hyd-Mech H28A-120, Service And Parts Manual

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3.9
1a. Blade worn. 1a. Replace blade.
1b. Low blade tension. 1b. Tension blade.
1c. Blade guides. 1c. Check for worn guides.
1d. Excessive feed rate. 1d. Reduce.
2
Saw is cutting out of
square horizontally.
2 Stock not square in vises. 2 Adjust accordingly.
3a. Not enough blade tension. 3a. Reset blade tension.
3b. Improper tracking. 3b. Set tracking.
4a. Not enough blade tension. 4a. Tension blade.
4b. Excessive feed force. 4b. Reduce.
4c. Excessive feed rate. 4c. Reduce.
5a. Blade speed too fast. 5a. Reduce.
5b. Guide arms too far apart. 5b. Adjust accordingly.
5c. Not enough blade tension. 5c. Tension blade.
6a. Excessive blade tension. 6a. Reduce blade tension.
6b. Excessive feed rate. 6b. Reduce.
7a. Blade pitch too fine. 7a. Select coarser pitch.
7b. Blade brush not cleaning. 7b. Adjust or replace blade brush.
7c. Excessive feed rate. 7c. Reduce.
7d. Excessive feed force. 7d. Reduce.
8a. No coolant. 8a. Add coolant.
8b. Coolant line blocked. 8b. Blow out coolant line.
8c. Coolant pump inoperable. 8c. Check, replace if faulty.
9a. Safety relay is not energized 9a.
1.Ensure all Emergency Stop push
buttons are released.
2.Ensure Door interlock switches are
not activated.(Close Drive & Idler doors)
9b. Motor overload has tripped. 9b.
Depress each of the over-load buttons
located in the electrical box. Depressing
one button at a time and trying to start the
saw will indicate which motor was
overloaded.
9c. Control circuit fuse has blown. 9c.
Replace the fuse in the control panel.
Random blowouts may occur but a quickly
repeated blowout points to an internal
wiring fault.
9d.
Vise or head selector switch not in the
center (neutral) position.
9d.
Turn all switches to the center (neutral)
position.
Blade stalls in cut.
5 Blade vibrates excessively.
6 Excessive blade breakage.
7 Tooth strippage.
1
Saw is cutting out of
square vertically.
Blade comes off wheels. 3
4
SOLUTION PROBLEM PROBABLE CAUSE
8 No coolant flow.
Saw will not start. 9