um DSR SM 125 User Manual

I NSPECTING THE OIL PASSAGES
( RIGHT HAND SIDE CASING COVER)
1. Inspect:
- Oil passage
Obstructions => Blow through with compressed air.
C ASING
1. Wash the casings well with petrol.
2. Clean the seal-bearing surfaces and the casing contact
surfaces well.
3. Inspect:
- Casings
Cracks/damage => Renew.
- Oil passages
Obstructions => Blow through the passages with com-
pressed air.
B EARINGS AND RETAINING RINGS
1. Inspect:
- Bearings
Clean and lubricate, then turn the inner ring by hand.
Roughness => Renew
2. Inspect:
- Retaining rings.
Damage/wear => Renew.
L OCKING RINGS AND WASHERS
1. Inspect:
- Circlips
- Washers
Damage/loose/distorted => Renew.
L
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INSPECTION AND REPAIR
WORKSHOP MANUAL

um DSR SM 125 Specifications

General

Brand	um
Model	DSR SM 125
Category	Engine
Language	English