AIR-FUEL RATIO CONTROL MAINTENANCE

TM-5-3805-248-23-2 Scraper Earth Moving Motorized Diesel Engine Driven Model 621B Manual
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TM 5-3805-248-23-2

AIR-FUEL RATIO CONTROL MAINTENANCE

0355 00

THIS WORK PACKAGE COVERS

Removal, Disassembly, Cleaning and Inspection, Assembly, Installation, Fuel Ratio Control and Governor Check, Fuel

Ratio Control, Adjustment, Check and Adjustment of Fuel Ratio Control Linkage

INITIAL SETUP

Materials/Parts - Continued.

Maintenance Level

General Support

Rag, wiping (Item 35, WP 0339 00)

Tools and Special Tools

Gasket (2)

Tool kit, general mechanic's (Item 113, WP 0338

Packing, preformed

Seal (2)

Tool kit, fuel injection (Item 112, WP 0338 00)

Wire

Shop equipment, field maintenance (Item 104, WP

References

Pin, timing (Item 66, WP 0338 00)

TM 5-3805-248-10

Shutoff group, manual (Item 105, WP 0338 00)

Materials/Parts

Equipment Condition

Cap set, protective (Item 6, WP 0339 00)

Hood removed (WP 0189 00)

Cleaning compound, solvent (Item 8, WP 0339 00)

Oil, lubricating (Item 32, WP 0339 00)

Engine shields removed (WP 0191 00)

REMOVAL

CAUTION

Wipe area clean around all connections prior to removal. Cap hydraulic oil lines and plug openings after

removal. Contamination of hydraulic system could result in premature failure.

NOTE

Use a container to capture draining fuel. Dispose of fuel IAW local policy and ordinances. Ensure all

spills are cleaned up.

Note routing of all hose assemblies prior to removal to ensure correct installation.

Remove and note location of all clips that secure hose assemblies to ensure correct installation.