New Holland LB 75 Backhoe Loader Operator's Manual (1999) (P/N 86594261)

This 1999 New Holland LB 75 operator's manual (P/N 86594261, English edition 8/99) covers operation, adjustment, and routine maintenance for center-pivot and sideshift backhoe loaders in 2WD and 4WD configurations.

PDF Search, Bookmarks, and Page Count

Finding procedures and diagrams. Body text and tables are searchable, and embedded bookmarks lead to chapters and individual procedures. Some illustration lettering is outside the text search. The “Main Menu” bookmark points to a separate file, and some connector labels in the fuse-board drawing remain obscured when enlarged.

The download is one printable English PDF with 197 pages, including one added introductory page. The 196 original manual pages include the cover, index, seven pages blank apart from their page numbers, and owner and dealer copies of predelivery, delivery, and initial-service forms.

Backhoe Controls, Field Operation, and Scheduled Service

This selection of topics includes operating and maintenance procedures. The manual also covers tire ballasting and preparation for return to service after storage.

• Controls and instruments. Standard, four-lever, and optional ISO backhoe control patterns, side-mounted analog instruments, warning lights, safety decals, and universal symbols.

• Engine and fuel system. Step-by-step instructions for checking and adjusting valve clearance and replacing fuel injectors, plus engine oil and filter service and fuel-system priming.

• Transmission, axles, and brakes. Power Shuttle oil, filter, and filter-screen service, axle lubrication, parking-brake adjustment, front-wheel toe-in checks, and steering-stop adjustment.

• Loader and backhoe. Bucket removal and installation, H.E.D. wear-pad adjustment, hydraulic hose replacement, self-leveling linkage adjustment, and return-to-dig sensor setting.

• Electrical checks and troubleshooting. Fuse and relay identification, circuit protection, charging precautions, and symptom charts for engine, transmission, electrical, brake, and cab problems.

• Service references. Maintenance schedules, illustrated grease points, hydraulic relief settings, tightening torques, fluid specifications, and tire pressure and load tables.

The manual suits owners and trained operators who carry out daily checks and routine maintenance. It directs repairs beyond routine maintenance to an authorized dealer.

Engine Maintenance and Fuel System

The naturally aspirated IVECO 8045.05B diesel uses a Bosch rotary injection pump. The valve-pairing chart identifies which valves can be adjusted together. The fuel section explains hand priming and identifies the injection pump as self-venting. Removed injectors are referred to the dealer for servicing.

Cooling-system maintenance covers radiator and oil-cooler cleaning, coolant renewal, and drive-belt adjustment. Cold-start guidance covers Thermostart and the optional coolant immersion heater.

Power Shuttle, Axles, and Brakes

The 4WD Spicer T4-2025 section explains four forward and four reverse gears, transmission disconnect, differential lock, and torque-converter stall. Using the disconnect button for inching can overheat and damage the transmission's hydraulic clutches.

Axle coverage distinguishes 2WD and 4WD service points and describes the double-reduction, inboard planetary rear axle. The manual distinguishes the wet multi-disc service brakes from the driveline parking brake and gives adjustment guidance for the hydrostatic steering system.

Loader, Backhoe, and Hydraulic Adjustments

Separate grease-point illustrations identify fittings on sideshift and center-pivot backhoes. Attachment coverage includes standard and multi-purpose loader buckets, optional lift forks, the extendible dipper, and hand-held and backhoe-mounted hammers.

The Casapa double gear pump specifications list front and rear pump delivery and both hammer circuits separately. The H.E.D. adjustment drawing identifies the wear pads and shims. During hose replacement, turning the hose while tightening its fitting can damage the O-ring seal. Follow the manual's loader-arm support and hydraulic-pressure precautions before maintenance.

Electrical Fault Finding and Repair Scope

The Power Shuttle fuse table and board layout identify protected circuits, relays, the warning buzzer, and harness connections. The troubleshooting charts help distinguish a starter inhibited by the transmission's gear position from faults that need further electrical checks. The manual covers initial fault finding and routine service. Full wiring schematics and internal engine or transmission overhaul procedures are outside its scope.

Loader and Steering Settings at a Glance

The return-to-dig illustration specifies a 3–6 mm gap between the sensor face and the self-leveling linkage pointer with the loader arms lowered and the bucket in its digging position.

For both 2WD and 4WD, the front-wheel toe-in specification is 0–6 mm (0–0.24 in), measured at hub height. The steering illustrations show where to take that measurement.