Case 2050M Operator's Manual page 228

3. Locate the DEF supply line filter directly below the sup-
ply module.
4. Use a suitable container to catch any DEF fluid that is
discharged during line and filter disassembly. Clean the
area before disassembly.
5. Disconnect the DEF supply line by squeezing the tabs
on the connection and separate the lines.
6. Using needle nose pliers, remove the DEF supply filter
using care not to damage or bend the DEF supply filter.
7. Inspect the DEF supply filter housing, and rinse with
water. Replace the DEF supply filter if damaged.
8. Reinstall the DEF supply filter into the DEF supply line,
and reconnect the DEF supply lines.
9. Secure the DEF supply module to the mounting
bracket.
10. Start the engine and run at idle speed.
11. Check for leaks around all connections.
7 - MAINTENANCE
7-72
3
RAIL12DOZ0191AA
4
RAPH12DOZ0323AA
5
RAIL13DOZ1702AA