Specifications

35
1.6.5 Adjust the fan belt
If the fan belt is loose, tighten it. See Fig.1.10.
Step: loosen the fixed bolt B and C of generator, move the generator out. Press
the A section of belt with the force of 10kg strength, the flexible degree is about 10mm,
then tighten the bolt B,C orderly.
1.6.6 Tighten the bolt of the engine cylinder end
(1) Tighten the bolt with 68Nm twisting moment by the order of Fig 1.11.
(2) Tighten the twisting moment to 93Nm, then tighten the bolt orderly.
(3) Turn the bolt 90 degree and tighten them.
Fig.1.11
1.6.7 Valve clearance adjustment
(1) Turn the crank shaft clockwise, make the "TC" mark on shock absorber of belt
coincide with the pointer.
(2) Inspect the hole cover, affirm the position of soleplate mark and pointer.
If the soleplate mark coincide with hand position, show the 1st cylinder. TDC,
adjust the valve clearance with "△" mark. And adjust the valve clearance with
"※"mark.
Valve clearance value: 0.4mm. (the same to absorb and exhaust, cooling state)
Refer to Fig1.12, 1.13, 1.14.
Fig.1.12