Link Belt LS-338 Crane Service Pdf Manual

Link-Belt LS-338 Crane Service PDF Manual

The Link-Belt LS-338 was built for contractors who depended on reliable crawler cranes to keep large construction projects moving. From heavy bridge components and industrial plant expansions to marine lifting and foundation work, the LS-338 earned its reputation through a durable mechanical drive system, dependable crawler undercarriage and rugged boom hoist assemblies. Its service-friendly design allows major driveline, hydraulic and hoisting components to be rebuilt, making it a practical choice for fleet owners focused on extending equipment life.

This OEM Factory Service Manual is written for professional technicians carrying out complete workshop repairs. It provides detailed factory procedures for inspecting, diagnosing, disassembling, rebuilding and testing the crane's major systems. Whether repairing the crawler lower, servicing the upper engine, rebuilding drum assemblies or troubleshooting hydraulic circuits, this manual delivers the technical information required to restore factory performance safely and accurately.

Machine Overview

Factory Workshop Coverage

The LS-338 service manual follows the same repair sequence used by Link-Belt factory service departments, allowing technicians to diagnose faults and rebuild complete assemblies efficiently.

• General service information, workshop procedures and factory repair instructions.
• Crawler lower repairs covering lower frame, inner and outer traction shafts, tread sprockets, idler rollers, track rollers, steering mechanism, side frame cylinders and both single-piece and two-piece rotating joints.
• Hydraulic system cleaning procedures following component replacement.
• Upper revolving frame servicing including undecking procedures and swing lock adjustments.
• Vertical shaft repairs covering independent travel shafts, independent swing shafts and swing brake controls.
• Horizontal shaft overhaul including reverse shafts, countershafts, reduction shafts, front drum shaft, rear drum shaft, third drum shaft, two-speed planetary assemblies, boom hoist drum shaft, boom hoist brakes and pawl mechanisms.
• Complete clutch servicing for front drum, rear drum, boom hoist, travel and third drum systems together with drum brake adjustments.
• Upper engine repairs including Twin Disc clutch servicing, clutch control adjustments, Cummins wiring, GM wiring, storage battery maintenance and chain case repairs.
• Hydraulic power supply diagnostics covering unloading valves, accumulators, check valves, relief valves, hydraulic pumps, filters, control valve banks, hydraulic tube fittings and torque converter pump systems.
• Structural repair procedures for angle booms, tubular booms, fly sections, jibs, tagline winders and special attachments, together with factory capscrew torque charts and bearing, gear, shaft and housing inspection standards.

Manual Technical Information

Frequently Asked Questions

Does this manual cover crawler undercarriage repairs?

Yes. It includes factory procedures for traction shafts, tread sprockets, track rollers, steering mechanisms, side frame cylinders and rotating joints.

Are hydraulic diagnostics included?

Yes. The manual explains troubleshooting and repair procedures for pumps, accumulators, unloading valves, filters, control valve banks and hydraulic tube fittings.

Does it include boom hoist and drum repairs?

Yes. It contains detailed repair procedures for the front, rear and third drum shafts, boom hoist drum shaft, planetary units, brakes, pawls and clutch systems.

Are electrical wiring diagrams included?

Yes. Factory wiring information for Cummins and GM engine configurations, along with storage battery service procedures, is included.

Who should use this manual?

This manual is ideal for crane mechanics, heavy equipment workshops, fleet maintenance departments, restoration specialists and experienced owner-technicians maintaining the Link-Belt LS-338.