Zenoah GZ4350, Workshop Manual

Page: 52 / 62

51
- English
Repair Instructions
7.25 Leakage testing
1
Remove the:
• cylinder cover
• carburettor
• spark plug
2
Attach the cover plate 574 71 14-01 and plug 503
84 40-03. See figure 65.
3
Loosen the screws on the muffler and press the
cover plate 502 54 11-02 between the muffler and
cylinder (remove the muffler gasket). Tighten the
nuts for the muffler. See figure 66.
4
Screw the pressure test connection 503 84 40-03
in place. Connect tool 531 03 06-23 to the nipple.
See figure 67.
5
Pump the pressure up to 80 kPa (0.8 bar). Wait
30 seconds. The pressure should not be less than
60 kPa (0.6 bar). Remove the cover plates from
the muffler and carburettor, tighten the bolts to the
specified torque. Remove the pressure test nipple
and refit the spark plug.
Fig 65
Fig 66
Fig 67