John Deere

OMM131756

Issue B9

Commercial Walk-Behind Mowers

GS30, GS45 and GS75

Serial No. (020001 - )

Introduction

Safety Signs

Controls

Operating

Replacement Parts

Service Machine Safely

Service Interval Chart

Service Interval Chart

Service Record

Service Engine

Service Engine

Service Transmission

Service Steering & Brakes

Service Mower

Service Electrical

Service Miscellaneous

Troubleshooting

Storing Machine

Assembly

Specifications

Warranty

Service Literature

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Service Interval Chart


Service Interval Chart

IMPORTANT: Avoid damage! If you operate mower in extreme heat or dust or other severe conditions, service more often than shown below.


BEFORE EACH USE

Test safety systems.

Check engine oil level.

In severe conditions lubricate all mowerspindles.

In severe conditions lubricate drive wheels, caster wheels and caster wheel forks.

In severe conditions check and clean engine air cleaner.

Check tire pressure.

Check mower level.

Adjust cutting height if needed.

AFTER EACH USE

Clean debris from engine, especially air intake screen.

Remove belt shields, clean belt area, check belts. Be sure shields are secure.

Clean under deck. Inspect blades. On 36 inch decks, check mower blade timing.

Check for loose, missing, or damaged parts.

AS NEEDED

Adjust brakes.

Replace fuel filter.

Adjust shift lever neutral.

AFTER FIRST 25 HOURS

Adjust tension on mower deck timing belt and Check timing on mower blades - 36 Inch mower deck

Change engine oil and filter.

Check and adjust brakes

Check and adjust drive wheel belt tension.

Check and adjust transmission drive belt tension.

Lubricate all mower spindles, drive wheels, caster wheels and caster wheel forks.

EVERY 25 HOURS

Clean foam air cleaner element.

Lubricate all mower spindles, drive wheels, caster wheels and caster wheel forks.

EVERY 50 HOURS

Check battery electrolyte level.

EVERY 100 HOURS

Change engine oil and filter. (or annually)

Adjust tension on mower deck timing belt and Check timing on mower blades - 36 Inch mower deck

Clean and gap spark plug.

Clean or replace paper air cleaner element.

Replace fuel filter.(or annually)

Check mower blade stop time.

Lubricate deck idler arm.

Lubricate primary idler arm.

EVERY 500 HOURS

Check valve clearance. (See your John Deere dealer.)


Service Record

DATE

SERVICE PERFORMED