How to replace the DL300-3/DL350-3 wheel loader valve stem seal and valve seat
This article explains how to replace the DL300-3/DL350-3 wheel loader valve stem seal and valve seat
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Replacing a Valve Stem Seal
- Removevalve according to the work description for Removing valves.
- Remove valve stem sealwitha pair of pliers.
- Install thevalve.
4,Carefully tap a new valve stem seal into place using tool 99 323 and a hammer.
Replacing the Valve Seats
- Removevalveseat inserts with an expanding sleeve from the kit with puller 587270 (1,Figure 22).
NOTE: Insert, for example, an aluminum sheet
between the cylinder head and counterhold to protect against damage.
WARNING
AVOID DEATH OR SERIOUS INJURY
Wear protective goggles for eye protection from flying metal parts.
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Pressin new valve seat inserts.Use drift 99384(2,Figure
22)and shank 99385.Cool the drift and valve seat insert
to about -80°℃ with dry ice or liquid air.Pressing must be
done rapidly.
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