Service - 228 JT40/JT40 All Terrain Operator’s Manual
4500 Hour (HRC Only)
4500 Hour (HRC Only)
Replace Diesel Exhaust Fluid (DEF)
Pump Filter
Replace diesel exhaust fluid (DEF) pump filter every
4500 hours or every 3 years.
To remove:
1. Unscrew DEF filter cap (1) and inspect threads
for damage. Replace if needed.
2. Remove the DEF filter equalizing element (2).
3. Remove DEF dosing unit filter element (3) using
disposable service tool (4).
To install:
1. Slide DEF filter equalizing element (2) into the
DEF filter cartridge (3).
2. Insert filter equalizing element and filter
cartridge assembly into the DEF dosing unit.
3. Install cap (1) and tighten to 177 in•lb (20 N•m).
IMPORTANT: A disposable service tool is
included with the filter to aid in filter
removal.
• Use the color of the plastic on the
filter to determine which end of the
tool to use.
• When inserting the tool, a “click”
sound will indicate proper
engagement with the filter.
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