Pressure Testing The Cylinder - Husqvarna 545RXT AT Workshop Manual

14.3 Pressure testing the cylinder

At minimum, dismantle the following components
• Cylinder cover
• Heat protector
• Muffler
• Air filter cover and frame
• Spark plug
• Valve housing assembly
• Carburettor (with air filter and filter holders)
1. Attach the cover plug (A) and the cover plate (B) to
the inlet channels. See fig. 1
2. Place the rubber wedge (D) between the muffler (E)
and the cylinder, leaving out the heat shield and
gasket (C). Attach the muffler and tighten the screws
(F). See fig. 2
3. Screw the pressure testing plug (G) in the sparkplug
hole and tighten with a block key.
See fig. 3.
4. Connect the Pressure testing tool (H) to the air
nozzle and use your thumb to hold the cover plug in
place (I). See figure 4.
5. Apply a pressure of 80 kPa and wait 30 seconds.
The pressure should not be lower than 60 kPa.
Assemble all parts in reverse order as set out for
dismantling.
Fig. 1
Fig. 2
Fig. 3
Fig. 4
G
A
B
C
D
E
F
G
A
H
B
I
English – 59