100 Hour - Annual Maintenance - Hillco JH7020 Operator's Manual

Hillside leveling system s660, s670, s680 & s690, s760, s770, s780 & s790

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Table Of Contents

Table of Contents

Inspect the following areas:

REAR AXLE - See pictures on next page for location reference

All bolts are properly tightened (combine to spacer 235lb-ft and spacer to rear axle are 153 lb-ft)

Torque rear wheel bolts (150lb-ft + ¼ turn w/RWA, 232lb-ft w/o RWA)

Steering hoses are properly routed and allow for rear axle rotation

OVERCARRIAGE / UNDERCARRIAGE- See pictures on following pages for location reference

Torque all mounting bolts properly

Hydro hoses routed properly

Brakes are adjusted properly and pedals should

depress no more than ½ way

Brake lines are routed properly, secured and free

of pinch and abrasion points

HYDRAULICS

Hoses cleanly and securely routed with no pinch or abrasion points

Hydraulic Reservoir & Main Engine Gear Case are filled to the proper level

Hydrostatic Hose 4-bolt flange cap screws are tightened to proper torque

No leaks in the hydraulic system

Torque gear pump coupler to 130lb-ft

Hoses by header lift manifold do not

come in contact with drive shaft on JH9020

ELECTRICAL

Harnesses are cleanly and properly routed and secured without pinch or abrasion points

Mechanical Leveling Stops (bolt on lock collars) are installed so that there is no less than

3/4" clearance around the drive tires.

Left and right limits are set so that there is no less than 1" clearance around the drive tires.

TRANSITION

Transition drive chains are properly tightened and sprockets are aligned.

Feeder chain is properly tension according to JD specification

FUNCTION CHECKS

Combine responds properly to manual leveling switch (leveling direction matches button)

Automatic Leveling System responds properly to changes in slope

Clinometer has been zeroed and the combine returns to level in automatic mode

Automatic Header Tilt system keeps the transition parallel to ground as the combine levels

Manual Header Tilt system responds properly to switch and cycle time is set to 22 seconds

Ladder pivots and locks into place

Moving step retracts fully and operates smoothly

Rear Wheels are properly spaced

CAUTION

D-180215CMA01C