Hitachi CM 75EAP Instruction Manual page 15

Replacing of belt
1. Remove nut (9) using the combi box spanner (6)
and loosen the tensioner bolt (11) by rotating it
counterclockwise with the hex. wrench (4). Then,
remove the arm cover (10). (Fig. 11, 12)
2. Loosen the three bolts (41) on the clutch cover
(42) and remove clutch cover (42). (Fig. 36)
4
41
3. Remove the belt (43) and set a new one in the
grooves of the pulleys (44)(45) securely. (Fig. 37,
38)
44
44
43
4. Before assembling, turn the tensioner bolt (11)
and adjust the length protrusion of the tensioner
bolt (11) from the arm cover (10) to 0 mm
(Fig. 39)
0 mm
5. Assemble clutch cover and arm cover by following
the aforementioned steps in reverse.
6. Readjust the tension of the belt. Please refer to
"Adjustment of belt".
42
Fig. 36
43
45
Fig. 37
43
Fig. 38
10
11
Fig. 39
Maintenance schedule
Daily maintenance
○ Clean the exterior of the machine.
○ Check that the nut on the arm cover is suffi ciently
tightened.
○ Check that the bolts for the cut-off wheel are
suffi ciently tightened.
○ Check that the cut-off wheel does not rotate when
the engine is idling
○ Clean the air fi lter.
Weekly maintenance
○ Check the recoil starter, especially rope.
○ Clean the exterior of the spark plug.
○ Remove the spark plug and check the electrode gap.
Adjust it to 0.024" (0.6 mm) or change the spark plug.
○ Check that the air intake at the recoil starter is not
clogged.
Monthly maintenance
○ Rinse the fuel tank with gasoline, and clean fuel
fi lter.
○ Clean the exterior of the carburetor and the space
around it.
Quarterly maintenance
○ Clean the cooling fi ns on the cylinder.
○ Clean the fan and the space around it.
○ Clean the carbon of muffl er.
CAUTION
Cleaning of cylinder fi ns, fan and muffl er shall be
done by Hitachi Authorized Service Centers.
45
15
English