Dolmar MS-261 U - Manual (Page 7)

7
Maintenance instructions
- The condition of the Brush Cutter/String Trimmer must be checked before operation, in particular of the cutting tool, the protective devices and also the
shoulder strap. Special attention must be paid to the cutting blade which must be correctly sharpened.
- Stop the engine and remove spark plug connector when replacing or sharpening cutting tools, and also when cleaning the machine or cutting tool.
- Operate the Brush Cutter/String Trimmer with as little noise and contamination as possible. In particular check the correct setting of carburetor.
- Clean the Brush Cutter/String Trimmer regularly and ensure that all screws and nuts are well tightened.
- Never service or store the Brush Cutter/String Trimmer in the vicinity of naked flames.
- Always store the Brush Cutter /String Trimmer in locked rooms and with a emptied fuel tank.
- Do not perform any modifications on the Brush Cutter/String Trimmer as this will endanger your safety.
- The performance of maintenance or repair work by the user is limited to those activities as described in this instruction manual. All other works are to be
done by an Authorized Service Agent. Use only genuine spare parts and accessories supplied by DOLMAR.
Use of non-approved accessories and tools means increased risk of accidents.
DOLMAR will not accept any liability for accidents or damage caused by the use of non-approved cutting tools and fixing devices of cutting tools, or
accessories.
First Aid
Make sure that a first-aid box is available in the vicinity of the cutting operations in case of accident.
TECHNICAL DATA
MODEL MS-230 C/231 C MS-260 C/261 C MS-260 U/261 U MS-330 C/331 C MS-330 U/331 U
Dry Weight 5.7 kg 5.7 kg 6.5 kg 6.5 kg 7.3 kg
Engine TLE23FD-TBM/TBD TLE26FD-TBM/TBD TLE33FD-TBM/TBD
Bore x Stroke 31 x 30 mm 33 x 30 mm 36 x 32 mm
Displacement 22.6 cm 3 25.6 cm 3 32.6 cm 3
Maximum output
0.7 kW (0.94 HP)/
8000 rpm
0.8 kW (1.07HP)/8000 rpm 0.97 kW (1.3 HP)/7500 rpm
Fuel Mixture of gasoline and lubricanting oil (ratio 50:1)
Lubricating oil Two-stroke motor oil FC
Fuel Tank Capacity 0.6 lit. 0.8 lit.
Spark Plug NGK BPMR8Y
Carburetor Diaphragm type (with 2 passage for air and mixture)
Main Pipe Drive Shaft Flex/Rigid Rigid
Diameter 7 mm Hollow (5 mm)
Upper end
Involute Spline (7 x 7 x 0.75)
Lower end
Tube Type Straight
Diameter 25.4 mm
Wall thickness 1.5 mm
Length 1500 mm
Finish Silver Anodized
Bearings Type Bronze bush in rubber
String Head Type Tap and Go
N/A
Tap and Go
N/A O.Dia. 105 mm 105 mm
Line size 2.4 mm 2.4 mm
Gear Case Assy Arbor size M10LH FEM
Gear ratio 14/19 17/21
Clutch Case Assy Anti-Vib Yes
Number Brgs 2
Drum dia. 54 mm 78 mm
Throttle Control Overmolded Yes
First Idle Yes
Hanger Type Fixed
Guard Type Grass Weed Blade Grass Weed Blade
Swath dia 41 cm (16 in.) 43 cm (17 in.) N/A 43 cm (17 in.) N/A
Handle Assy Type Loop Bike Loop Bike
Barrier N/A
Overmolded Yes (Black) N/A Yes (Black) N/A
Band Shoulder Type Single Double
Tool Set Yes
Blade Size
N/A
23 cm (9 in.)
N/A
23 cm (9 in.)
Type Quard Quard
Blade Holder N/A Yes N/A Yes