82. Longitudinal (length) enlargementHole length can be determined in three steps shown in the table below.C00239NOTE:• A hole a little longer than predetermined may be cut depending upon thecutter chain tension.• The adjusting hex bolts are factory adjusted for cutting holes 90 mm longin the No.1 set position and 120 mm long in the No.2 set position.Push down the right-hand grip while raising the left-hand grip. Make sure thatthe adjusting hex bolt slips into place securely.Loosen the hex nut securing the adjusting hex bolt. Turn the adjusting hex boltuntil the cutter chain reaches the desired position, then tighten the hex nut.WARNING:• When using pressure to turn the adjusting hex bolt or hex nut, be carefulnot to allow the adjusting hex bolt to slip off the set position.To bring the cutter chain back to the perpendicular (original) position, pull thelever (C) toward you while pressing down on the right-hand grip and slightlyraising the left-hand grip and move the cutter chain back to its original position.When cutting a hole, first use the perpendicular position, then No.1 set posi-tion and finally No.2 set position. Always safely hook the tool head back ontothe hook when changing the cutter chain position.Cutter chain position Hole length to be cutOriginal position 52.5 mmNo.1 set position 52.5 mm - 105 mmNo.2 set position 77.5 mm - 130 mm1. Lever (C)10060091. Adjusting hex bolt for No. 1 setposition2. Lever (C)3. Adjusting hex bolt for No. 2 setposition1230060101. Original position2. No.1 set position3. No.2 set position4. Indication plate5. Ruler12345006011