Pressure Testing The Cylinder; Dismantling The Crankcase And Crankshaft - Husqvarna T525 Workshop Manual

7.26 Pressure testing the cylinder

Remove the following parts before you do a
pressure test of the crankcase and cylinder:
• Clutch cover
• Air filter cover
• Air filter
• Muffler
1
Slide the cover plate (A) (502 54 11-02) under the
carburetor and tighten, using the carburetor screws
(B) as outlined in Figure 80.
2
Attach the cover plate (C) (502 50 71-01) at the
cylinder with the muffler screws and tighten.
3
Remove the spark plug and screw in the 576 38
48-01 pressure tester (D). Connect the 531 03 06-
23 pressure gauge (E). See Figure 80.
4
Pump up the pressure to 80 kPa (0.8 bar). Wait
30 seconds and make a reading. The pressure
must not fall below 60 kPa (0.6 bar).
7.27 Dismantling the crankcase and
crankshaft
1
Dismantle the saw by following the steps in the
chapter 7.24 Dismantling the piston and the cylin-
der step 1 - 10.
Carfully pull the crankcase halves apart. Two guide
pins keep the crankcase halves together. Lift out
the connecting rod with the piston. See Figure 81.
B
A
D
Fig 80
Fig 81
Repair instructions
C
E
E
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