Tanaka TPH-200 - Manual (Page 5)

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Owner’s Manual TPH-200
3. Trimming techniques
• This attachment is designed for trimming hedges and small branches. Follow these tips
for successful operation.
• Plan cut carefully. Check direction branch will fall.
• Long branches should be trimmed in several pieces.
• Do not stand directly beneath branch being cut.
• Apply a light cutting pressure.
• Ease cutting pressure when nearing end of cut to maintain control.
4. Maintenance
Gear case (Fig. 4-1)
Apply a good quality lithium based grease through the
grease fittings.
NOTE!
Lubrication should be applied at 50 hour intervals and more
frequent at heavy use.
Cutter blade (Fig. 4-2, 3)
The blades are installed to the cutter guide with three to five bolts
depending on cutter length. Those bolts are tightened with a
clearance so that the cutters can move smoothly.
When clearance is too small:
The cutters do not move properly and the sliding surfaces may
seize.
When clearance is too large:
The cutters are poor in sharpness.
To adjust the cutter clearance:
1. Loosen the cutter fixing nuts.
2. Fully tighten the cutter fixing bolts and then loosen them
approx. 1/2 turn.
3. With the bolts set at that position, tighten the cutter fixing
nuts.
Be sure to replace cutter guide fixing bolts when they are loosened, worn or damaged. Also be sure
to replace damaged cutter blade.
NOTE!
Properly lubricate the cutter sliding surfaces with machine oil.