32
Appendix D
Troubleshooting
Table 8: Troubleshooting
Symptom
Problem
Solution
1. Engine will not start.
Out of fuel?
Fill fuel tank.
Emergency stop button down?
Pull up emergency stop button.
Fuel/water separator or fuel lines
clogged?
Clean fuel/water separator, or
unclog/replace fuel lines.
Air in fuel lines?
Bleed fuel lines.
Worn-out battery?
Charge or replace battery.
Faulty battery connection?
Inspect, clean, and tighten battery cables.
Engine malfunction?
Refer to engine manual.
2. Saw will not raise.
Defective solenoid start switch?
Replace solenoid on hydraulic pump unit.
Worn-out battery?
Charge or replace battery.
Defective raise button?
Replace raise button.
3. Saw will not lower.
Debris in lowering valve stem?
Inspect and clean stem.
Worn-out battery?
Charge or replace battery.
Defective valve coil?
Check for magnetism of valve stem when
activated.
Defective lowering button?
Replace lowering button.
4. Saw lowers too slow/too fast.
Improper lowering speed setting?
Adjust flow control valve.
5. Blade does not cut straight.
Drive alignment off?
Adjust drive alignment.
Excessive force used when sawing?
Reduce forward speed. DO NOT twist
blade from side-to-side.
Wrong blade?
Contact dealer/manufacturer of blade.
6. Short belt life.
Loose belts causing slippage?
Check belt tension.
Sheaves misaligned?
Use straightedge to check blade shaft
sheave alignment.
Worn sheave grooves?
Check for groove wear and replace as
needed.
Mismatched belts?
Replace with matched set of belts. DO
NOT use old and new belts together.
Overheating of PTO?
Check belt tension and/or lubricate PTO
as required.
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