Technical data

31
REPLACEMENT PARTS
1. Use only genuine DERBI spare parts. For all lubrication
tasks use oils and greases recommended by DERBI. Other
makes make seem similar in their function and appearance,
but are inferior in quality.
SEALS, RETAINING RINGS AND O-RINGS
1. Replace all seals, retaining rings and O-rings when servi-
cing the engine.
All surfaces receiving seals, retaining ring edges and O-rings
must be cleaned.
2. Apply oil to all paired parts and bearing during reassem-
bly. Apply grease to the retaining ring edges.
TAB/SPACER WASHERS AND SPLIT PINS
1. After removing them, replace all tab/spacer washers (1)
and split pins Bend the tabs to fit the flat surfaces of the
bolt or nut once they have been tightened to the specified
torque.
BEARINGS AND RETAINING RINGS
1. Fit bearings and retaining rings in such a way that the ma-
nufacturers marks remain visible. On fitting retaining rings,
applying a thin film of light lithium soap based grease to
their edges. Where required, apply oil generously when fit-
ting bearings.
WARNING
DO NOT USE COMPRESSED AIR TO DRY BEARINGS. THIS
DAMAGES THE BEARING SURFACES.
C S
SEALS, RETAINING RINGS AND O RINGS
TAB/SPACER WASHERS AND SPLIT PINS
BEARINGS AND RETAINING RINGS