Husqvarna 966451906 manual Pressure testing the cylinder, Loosen

Repair Instructions

7.23 Pressure testing the cylinder

1 Loosen

• The cylinder cover

• The carburettor

2

Attach the cover plate 574 71 14-01 and plug 574 70 12-01. See figure 66.

3

Loosen the screws on the muffler and press the cover plate 575 29 05-01 between the muffler and cylinder. Tighten the screws for the muffler. See figure 66. Use the plastic piston stop 575 29 36-01.

Fig 66a

Fig 66b

4

Screw the pressure test connection 503 84 40-02 in place. Connect tool 531 03 06-23 to the nipple.

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 silencer and carburettor, tighten the bolts to the specified torque. Remove the pressure test nipplle- and refit the spark plug.

WARNING!

Once the cylinder has been pressure tested, make sure the inlet manifold is fitted correctly. Otherwise the chainsaw can be damaged.

Fig 67

48 - English