- Check that the belt contact
surface is free from wear.
- Remove the 2 inside sealing
rings and the 2 outside O-
rings.
- Measure the mobile half-
pulley bushing inside
diameter.
Maximum admissible
diameter: 50.08 mm
Standard diameter:
50.085 mm
PGO BR-500 ENGINE
Specificequipment and tools:
Punchfor driven pulley roller casing 020478Y
Bell001467Y002
- Install a new roller bearing
by the specific tool.
N.B.:
Place the bearing with
the writings and the
embedded oil guard facing
outwards.
Properly support the half-
pulley to prevent damaging
the threading.
If you are working on the
driven pulley unit fully
assembled, use tool
001467Y002.
- Install a new ball bearing by
the specific tool.
Specific equipment and
tools:
Handle 020376Y
Adapter 37 mm 020477Y
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