Pages from DG744 – Dump Truck 330M Shop Manual
Complete workshop & service manual with electrical wiring diagrams for Komatsu Dump Truck 330M. It’s the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.
This Komatsu Dump Truck 330M service & repair manual (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnostic & troubleshooting…) is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.
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EXCERPT:
TABLE OF CONTENTS
SUBJECT . . . . SECTION
GENERAL INFORMATION . . . . A
STRUCTURES . . . . B
ENGINE, FUEL, COOLING AND AIR CLEANER . . . . . C
ELECTRIC SYSTEM (24 VDC. NON-PROPULSION) . . . . D
TRANSMISSION AND TORQUE CONVERTER . . . . . F
DRIVE AXLE, SPINDLES AND WHEELS . . . . . G
SUSPENSIONS . . . . H
BRAKE CIRCUIT . . . . . J
AIR SYSTEM . . . . . K
HYDRAULIC SYSTEM . . . . L
OPTIONS AND SPECIAL TOOLS . . . . . M
OPERATOR’S CAB . . . . N
LUBRICATION AND SERVICE . . . . P
ALPHABETICAL INDEX . . . . Q
SYSTEM SCHEMATICS . . . . . R
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STEERING CIRCUIT OPERATION
The steering system is a self-metering , power steering type. When the steering wheel (5, Figure 4-1) is rotated, the steering control valve (6) is actuated causing the oil to flow into the steering cylinder (2).
Extending one steering cylinder while retracting the opposite steering cylinder will change the angle of the front wheels, allowing the operator to steer the truck as desired. the tie rod (3), attach ed to the knuckle (7 ) maintains a constant angular relationship
between the left and rig h t wheels. the truck is also equipped with an automatic emergency steering system to provide oil pressure to the steering circuit in the event of a loss of oil supply from the engine driven steering pump.
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