Hitachi CS 27EPAP(S) Service Manual page 10

Be careful of the installation angle and the press-connecting direction of the Earth Cord [130]<130>.
Screw [129] or
Screw M4<129>
5. Checking the pump filter body comp.
Use a piece of wire to remove the Pump Filter Body Comp. [146]<146> from the fuel inlet of the Tank
[143]<143>. If the Pump Filter Body Comp. [146]<146> is stained, clean it with gasoline. Remove the
Pump Filter Body Comp. [146]<146> from the Shield Tube 3 x 5 x180 [137]<137>. Check the Pump Filter
Body Comp. [146]<146> for clogging by blowing air into it. Replace the Pump Filter Body Comp.
[146]<146> as necessary.
6. Cleaning the muffler (B)/muffler and cylinder
Remove the Muffler Cover [4]<4>. Loosen the two Hex. Hole Bolts 6 x 65 [6] or Hex. Hole Bolts M6 x 55
<6>, and then remove the Muffler (B) [8] or Muffler <8> together with the Heat Protection Panel [10]<10>.
Use a flat-blade (precision) screwdriver to scrape off carbon accumulated at the exhaust port of Muffler (B)
[8] or Muffler <8>. Close the exhaust port of the Cylinder Set PN [19]<19> with the Piston Set PN
[55]<54>, and then scrape off carbon accumulated at the exhaust port of the Cylinder Set PN [19]<19>.
NOTE: Do not scratch the Piston Set PN [55]<54>.
7. Cleaning the cleaner element
Open the Air Cleaner Cap [53]<52> of the Air Filter Ass'y [54]<53>. Remove the Cleaner Element
[52]<51> and clean it with compressed air. If the Cleaner Element [52]<51> is heavily stained, clean it
with gasoline and dry it well before reassembly.
8. Replacing the fuel pipe
If the Shield Tube 3 x 5 x180 [137]<137> or the Fuel Pipe 3 x 5 x 85 [138]<138> has cracks, replace it. Fit
the Shield Tube 3 x 5 x180 [137]<137> connected to the Pump Filter Body Comp. [146]<146> into the
socket on the bottom of the Carburetor Ass'y [48] as indicated with "B" in the figure below. Fit the Fuel
Pipe 3 x 5 x 85 [138]<138> into the socket on the side of the Carburetor Ass'y [48]<48> as indicated with
"C" in the figure below.
NOTE: Use parts cleaner to degrease each pipe insertion hole.
Earth Cord [130]<130>
45º±10º
Flange Nut M4 [132] or
Flange Nut M14 <132>
-9-
Press-connecting portion
Washer T1.6 [16]<16>
Ignition Coil Ass'y [128]<128>