![background image](http://html1.mh-extra.com/html/dolmar/me-246-4/me-246-4_original-instruction-manual_2517195023.webp)
23
CLEANING OF FUEL FILTER
WARNING: INFLAMMABLES STRICTLY PROHIBITED
Interval of cleaning and inspection: Monthly (every 50 operating hours)
Suction head in the fuel tank
Check the fuel filter
(A)
periodically. To check the fuel filter, follow the steps
below:
(1) Remove the fuel tank cap, drain the fuel to empty the tank. Check the tank
inside for any foreign materials. If any, remove them.
(2) Pull out the suction head by using a wire hook through the tank opening.
(3) If the fuel filter clogged slightly, clean it. To clean it, gently shake and tap
it in fuel. To avoid damage, do not squeeze or rub it. The fuel used for the
cleaning must be disposed in accordance with the method specified by
regulations in your country.
If the fuel filter became hard or heavily clogged up, replace it.
(4) After checking, cleaning or replacing, insert the fuel filter into the fuel pipe
(B)
and fix it by the hose clamp
(C)
. Push the fuel filter in all the way to the
bottom of the fuel tank.
Clogged or damaged fuel filter can cause insufficient fuel supply and reduce
engine power. Replace the fuel filter at least quarterly to ensure satisfactory fuel
supply to the carburetor.
CLEANING OF PARTS
- Keep the engine always clean.
- Keep the cylinder fins free of dust or dirt. Dust or dirt adhering to the fins will cause piston seizure.
REPLACEMENT OF GASKETS AND PACKINGS
In reassembling after the engine is dismounted, be sure to replace the gaskets and packings with new ones.
Any maintenance of adjustment work that is not included and described in this manual is only to be performed by Authorized Service Agents.
B
C
A
A
REPLACEMENT OF FUEL PIPE
CAUTION: INFLAMMABLES STRICTLY PROHIBITED
Interval of cleaning and inspection: Daily (every 10 operating hours)
Replacement: Annually (every 200 operating hours)
Replace the fuel pipe
(A)
every year, regardless of operating frequency. Fuel
leakage may lead to fire.
If any leakage is detected during inspection, replace the fuel pipe immediately.
INSPECTION OF BOLTS, NUTS AND SCREWS
- Retighten loose bolts, nuts, etc.
- Check for fuel and oil leakage.
- Replace damaged parts with new ones for safety operation.
INSPECTING SPROCKET
Check the sprocket for wear every 50 hours of use. Replace it if the wear marks
becomes 0.3 mm or deeper.
0.3 mm
0.3 mm
Summary of Contents for ME-246.4
Page 210: ...210 DOLMAR DOLMAR o DOLMAR 15 50 60 210 211 217 218 219 223 225 227 227 233...
Page 211: ...211 18 16 15 1 5 2 3 4 5 6...
Page 212: ...212 15 15...
Page 213: ...213 3 Dolmar 3...
Page 214: ...214 60 10 20...
Page 215: ...215 Dolmar Dolmar DOLMAR DOLMAR...
Page 219: ...219 1 A 2 B C 3 D 4 5 6 7 E 1 A B 2 C 3 B 4 B A A D B C E A B C...
Page 220: ...220 A B C D E F K J G H I E K J D 1 A B 2 C D 3 E F 4 G H E I 5 F D J K 6 7 B A 8 C...
Page 221: ...221 1 A 2 B 3 3 4 mm 0 118 0 157 2 4 A 5 Dolmar 40 A B A B...
Page 222: ...222 1 A 2 3 A A A...
Page 223: ...223 1 2 3 10 228 SAE 10W 30 API SF 4 0 08 1 1 2 3 1 2 3 3...
Page 224: ...224 4 1 A 2 3 B C 4 5 A C B 2...
Page 225: ...225 3 A 1 2 I O A OPERATION A C D 3 B 7 10 B 4 5 C D 6 2 3...
Page 227: ...227 60 1 2 3 4 1 2 3 4...
Page 229: ...229 5 F 6 F 6...
Page 230: ...230 10 D G A B F E B F C C B A G F E D 0 7 mm 0 8 mm 0 028 0 032 0 7 0 8 mm 0 028 0 032...
Page 231: ...231 50 A 1 2 3 4 B C B C A A 10 200 A 50 0 3 mm 0 3 mm 0 3 mm...
Page 232: ...232 DOLMAR A B 91VXL 0 64 mm 0 025 30 91VXL 55 91VXL 4 0 mm 5 32 30 4 5 B A 55 30 90 30 4 5...
Page 233: ...233 1 2 3 4 5 STOP STOP...
Page 234: ...234 10 25 50 200 1 3 2 2 2 3 4 1 20 2 200 3 4...
Page 235: ...235 7 10 1 CLOSE OPEN I O 1 3 CLOSE...
Page 262: ...262...
Page 263: ...263...
Page 264: ...DOLMAR GmbH Postfach 70 04 20 D 22004 Hamburg Germany http www dolmar com 885326A922 ALA...