Hitachi CM 75EAP Instruction Manual page 14

English
6. Clean the paper-fi lter by tapping. If you use
compressed air to blow out the dust, apply the air
gently from inside.
7. Reassemble the parts to their original positions
by following the aforementioned steps in reverse.
34
37
NOTE
○ When you remove paper-fi lter and nylon-fi lter,
please take care so that dust does not get inside
the engine.
○ After rinsing in warm soap suds. Check to make
sure that the fi lter is dry before reassembly. An air
fi lter that has been used for some time cannot be
cleaned completely. Therefore, it must regularly
be replaced with a new one.
A damaged fi lter must always be replaced.
Spark plug (Fig. 31, 32, 33)
1. Remove cleaner box (B) (32) and cleaner box (A)
(37). (Fig. 31)
2. Remove the spark plug by turning it counterclockwise
with the combi box spanner. (Fig. 32)
3. Clean the spark plug if it is dirty. Check the
electrode gap. The correct gap is 0.024" (0.6 mm).
(Fig. 33)
32
33
38
35
36
Fig. 31
6
Fig. 32
0.024"
(0.6 mm)
NOTE
○ When you remove the spark plug, please take
care so that dust does not get inside the engine.
○ The spark plug should be replaced after about
100 operation hours or earlier if the electrodes
are badly eroded.
Fuel fi lter (Fig. 34)
Remove the fuel fi lter (39) from the fuel tank and
thoroughly wash it in solvent. After that, push the fuel
fi lter into the tank completely.
39
NOTE
If the fuel fi lter (39) is hard due to dust and dirt, it
must be replaced.
Anti-vibration systems (Fig. 35)
Check the springs (40) for any loosening or damage.
If you fi nd any failure in those parts, please contact a
Hitachi Authorized Service Center.
40
40
14
Fig. 33
Fig. 34
40
Fig. 35