966M and 972M Wheel Loaders DEF Manifold Filters

DEF Manifold Filters - Replace

966M and 972M Wheel Loaders [SEBU9053]

966M and 972M Wheel Loaders Engine Air Filter Element - Clean/Replace

966M and 972M Wheel Loaders Cooling System Coolant Extender (ELC) - Add

AIR INLET AND EXHAUST SYSTEM

AFTERTREATMENT GP

966M and 972M Wheel Loaders ARD Spark Plug - Clean

826K Landfill Compactor Selective Catalytic Reduction Warning System

826K Landfill Compactor Diesel Particulate Filter Regeneration

966M and 972M Wheel Loaders Diesel Exhaust Fluid Filter - Replace - Emission Related Component

D6T Track-Type Tractor DEF Filler Screen - Clean - (Emission Related Component)

966M and 972M Wheel Loaders Diesel Exhaust Fluid - Fill

966M and 972M Wheel Loaders DEF Manifold Filters - Replace

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NOTICE

Ensure that the engine is stopped before any servicing or repair is performed.

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NOTICE

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Cat Dealer Service Tool Catalog" or refer to Special Publication, PECJ0003, "Cat Shop Supplies and Tools Catalog" for tools and supplies suitable to collect and contain fluids on Cat products. Dispose of all fluids according to local regulations and mandates.

Note: Refer to Special Instruction, REHS8231, "Removal Procedures for Diesel Exhaust Fluid (DEF) Connectors" for the correct removal procedure of hose assemblies (1) and (5).

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Illustration 1	g03716051

Clamp off hoses (1).
Remove clips (2) and (3). Disconnect harness assemblies (4). Remove hose assemblies (1) and (5).
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Illustration 2 g03716099
Remove bolts (6), plate (7), tank manifold (8), and gasket (not shown).
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Illustration 3 g03665737
Unscrew the band clamp (9) and remove the band clamp from the filter base (10).
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Illustration 4 g03664911
Remove the filter (11) from the filter base.
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Illustration 5 g03666075
Remove the suction filter (12) at the bottom of the header coils by pulling tabs (13). Replace with a new suction filter.
Install new filter by pulling filter over the manifold coils up to the bottom of the assembled filter base.
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Illustration 6 g03665754
Tighten the band clamp 4.5 ± 0.7 N·m (40 ± 6 lb in), ensuring that the band clamp is aligned, as shown in illustration 6, to the flat spot on the base. Ensure that the filter does not bunch when tightening the band clamp.
Install the tank manifold following steps 3 through 5 in reverse order with a new gasket.
Tighten bolts (6) in an alternating sequence to 5 ± 1 N·m (44 ± 9 lb in). Tighten bolts (6) a second time in an alternating sequence to 5 ± 1 N·m (44 ± 9 lb in). Apply rubber lubricant to the o-ring seal inside of hose assemblies (1).