Maintenance
2124−3/A1
Winterthur Gas & Diesel Ltd.
1/ 4
Remove Unwanted Material, Dress the Lubricating
Grooves and Scavenge Ports
Tools:
1 Grinding device 94299
1. General
During operation, the cylinder liner becomes worn and an edge of unwanted material
collects immediately above the location where the top piston ring travel stops. Also,
the lubricating grooves decrease in depth and the corner radii of the scavenge ports
become smaller.
Before each piston removal, you measure the bore of the cylinder liner (for more data
refer to 2124−1.
2. Preparation
1) Remove the cylinder cover, refer to 2708−1.
2) Remove all lubricating quills, refer to 2138−1.
3) Put applicable protection below the cylinder liner. This keeps unwanted particles
out of the bore.
3. Unwanted Material − Remove
CAUTION
Damage Hazard: Make sure that you do not cause damage to the
running surface of the cylinder liner when you operate the grinding
tool.
1) Read the data in the Instruction Manual for the grinding tool.
2) Attach the grinding tool (94299, Fig. 1) to the cylinder liner, refer to the Instruction
Manual.
3) Connect the grinding tool (94299) to an applicable air supply.
4) Operate the grinding tool (94299) to carefully remove the unwanted material from
the cylinder liner (1).
5) Make sure that you get a radius r = 8 mm.
Cylinder Liner
2016
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