Husqvarna 120 Workshop Manual page 50

Repair Instructions
7.21 Leakage testing
1
Remove the:
• cylinder cover
• spark plug
2
Loosen the screws on the airbox and press the rub-
ber wedge 502 54 11-02 between the adapter and
carburettor. Tighten the screws. Attach the plug 503
84 40-03. See figure 63.
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 63.
4
Screw the pressure test connection 503 84 40-03
in place. Connect tool 531 03 06-23 to the nipple.
See figure 64.
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.
50
- English
Fig 63
Fig 64