Intake Pipe Between Air Cleaner And Engine: Checking For Leaks And General Condition; Poly-V-Belt: Checking Condition - Mercedes-Benz OM 904 LA Operating Instructions Manual

Intake pipe between air cleaner
and engine: checking for leaks and
general condition
Check the rubber sleeves, intake pipes
and connection hoses for damage and
leaks.
Check the hose clamps, flanged joints
and intake manifold for firm seating.

Poly-V-belt: checking condition

Risk of injury
Faulty poly-V-belts may tear and parts or all
of the belt may be thrown off, thereby caus-
ing injury to others.
Always observe the specified mainte-
nance intervals for poly-V-belts.
If damage is detected, replace the poly-
V-belt concerned immediately.
Special tools
Turning tool: 904 589 04 63 00
Fit the turning tool to the flywheel
housing inspection hole.
Make a chalk mark on the poly-V-belt.
Check the poly-V-belt for damage sec-
tion by section; to do this, turn the en-
gine or poly-V-belt gradually using the
G
turning tool until the chalk mark is
reached again.
!
Replace the poly-V-belt if one of the
damage patterns shown on the next
page is detected. For information on fit-
ting and removing the poly-V-belt
( see page 85).
Remove the turning tool.
Screw the cap back into the inspection
hole in the flywheel housing.
Tightening torque: 25 Nm.
Maintenance
Work schedules
5
83