JT100/JT100 All Terrain Operator’s Manual Service - 233
4500 Hour
4500 Hour
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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