Maintenance
Blade Tensioner
Maintenance HDSdoc041118 3-6
3
3.8 Blade Tensioner
1. Lubricate the chrome rods of the tensioner system with a heavy duty teflon spray
lubricant every 50 hours of operation.
2. Lubricate the tensioner screw handle with a grade lithium grease as needed.
See Figure 3-3.
3. Add an Automatic Transmission Fluid (ATF) such as Dexron III ATF to the hydraulic blade
tensioner as needed.
See Figure 3-4. To add enough fluid to completely fill the tensioner block:
Remove the tensioner handle and ball. Remove the sawmill blade housing covers,
blade and idle-side blade wheel.
Push the idle-side shaft housing all the way in to collapse the rear tensioner piston
and fully extend the front piston. The front piston should reach the threaded area of
the piston guide.
NOTE: If the hydraulic fluid level is extremely low, collapsing the rear piston may not
fully extend the front piston. If it does not, finish the fill procedure in its entirety and
repeat. The first pass should add enough fluid to allow the front piston to fully
extend. The second pass should add enough fluid to completely fill the block.
Locate the fill plug behind the tension gauge. Clean any dirt and debris from the
plug area. Use a 7/16” wrench to remove the plug, making sure to keep the plug
FIG. 3-3
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