Cleaning Out the Combine

CAUTION: To prevent injury, never clean the combine with the engine running and the separator engaged.

The following instructions are recommended when cleaning out the combine for certified seed crops or when transporting the combine inter-state.

CAUTION: Block header safely so it will not move. Lower reel safety stops.

Remove header from combine.

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Drive combine over end rows or bumps to jar and shake dirt loose. Stop engine, set parking brake and remove key.

Open or remove all doors and drain holes.

CAUTION: Sound horn (A) to clear everyone from area.

Stay clear of combine when discharging chaff.

Start engine and let separator run until chaff stops coming out rear.

Lower engine rpm to low idle and engage separator several times. The "jogging" of separator at low idle removes dirt from inside of cylinder.

Move throttle to high rpm and run for a few minutes. Repeat cycle until chaff no longer comes out of the rear of the combine.

CAUTION: Keep bystanders clear of combine when discharging chaff.

CAUTION: Sound horn (A) to clear everyone from area, then start engine.

Drive combine straight back 3 m (10 ft.) onto blocking so right-hand side is about 150 mm (6 in.) higher, or park on incline so dirt can run out.

Stop engine and remove key.

Set parking brake and block wheels.

A-Horn

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CAUTION: When working with compressed air in dusty conditions, you must wear goggles and dust mask for personal protection. Air hose must have a 2 m (6 ft.) wand (end).

Start at top of combine and work down.

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CAUTION: Stop engine, set park brake and remove key.

Clean grain from under grain tank cross augers over to the sump.

Clean grain from edges of unloading auger sump to the bottom. Grain must be cleaned out these doors as you are standing on the ground.

A-Cleanout Doors
B-Cleanout Doors
C-Cleanout Doors

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Using a four foot air nozzle (A) insert one foot of the nozzle into bottom hole of the right hand primary support bracket (B) and blow material out.

Continue inserting the nozzle one foot at a time and blow out the remaining material.

A-Four Foot Air Nozzle
B-Right Hand Primary Support Bracket

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Release clamp (A) and open lower clean grain elevator door (B).

A-Clamp
B-Lower Clean Grain Elevator Door

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Remove quick lock pin (A) and lower sample grain trough.

Release clamps (B) and lower auger.

Clean top area and down into clean grain elevator to clean elevator chain. Clean all sides.

A-Quick Pin
B-Clamps

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Loosen clamps (A) and swing grain tank window (B) up.

Clean out area behind cab, around primary countershaft and over cylinder.

A-Clamps
B-Grain Tank Window

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Remove panel in rear of grain tank and clean out this side of engine area.

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Open shield (A), cover (B) and swing up ladder (C).

Clean entire engine compartment area, especially under engine and over condenser.

Wipe up oil and grease.

A-Shield
B-Cover
C-Ladder

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Remove screen (A) and cleanout.

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Clean radiator, oil cooler, condenser, and rotary screen from inside out. Clean off top of fuel tank.

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Open lower tailings elevator door (A). Remove wing nuts (B) and remove door at upper end of elevator.

Clean down all sides of elevator and clean out cross auger trough.

A-Elevator Door
B-Wing Nuts

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Turn and handles and open door (A). Clean out chaff between cylinder and side sheets. Clean remaining chaff and seed from concave and cylinder. Also clean inside of cylinder. Clean upper tailings auger housing on the inside and the area around it.

A-Door

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CAUTION: The feed plate seal, through normal operation, develops a sharp edge. Avoid bodily injury from contact with sharp edge when servicing this area.

Clean feeder house through top doors (A) and (B). Lift conveyor chain and let snap back several times while cleaning.

A-Top Doors
B-Top Doors

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CAUTION: Stop engine, set parking brake and remove key. Lower safety stop before working under feeder house.

Lower stone trap and feed plate. Clean areas out.

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Remove conveyor auger door. Use scraper to loosen material, then clean out through the sides of the combine. Then clean off top of axle and transmission.

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Loosen bolts (A) and pull out pans. Clean out straw walker return pans and grain pan.

A-Bolts

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CAUTION: When cleaning straw walker and beater area, cardboard, canvas, or carpet must be placed on top of walkers.

Remove straw walker curtains, then clean walkers through inspection door. Clean deflectors at front of walkers and work your way to the rear. Clean between walkers and between walkers and side sheets and around crank bearings.

Clean beater and its wings. Also clean between beater and shield on side sheet and inside of beater and wings.

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Remove sieve, chaffer and precleaner sections. Clean out chaff from areas where sides meet. Open sieve, chaffer and precleaner as far as possible and clean.

Clean out tailings and clean grain auger troughs.

Clean rear axle area.

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Slide lower shield (A) rearward and clean out cleaning fan area.

A-Lower Shield

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Pull down and rotate locking pin (A) under stop.

A-Locking Pin

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IMPORTANT: Sensor connector (A) must be unplugged or it may be pulled apart and cause damage to the sensor wire.

Unplug sensor connector (A) and plug into storage connector (B).

A-Sensor Connector
B-Storage Connector

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Move straw chopper to the forward position.

Loosen nuts (A) and adjust chopper blades out. Then clean chopper. Clean around belt drive shields and rear deck.

(Not Illustrated) Clean chaff from spreader belt drive shield and from inside of cones.

A-Nuts

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Clean out chaff from rear to front from under platform auger. Clean cutterbar area.

Clean off platform drives and behind drives. Also clean inside of cutterbar storage area.

After cleaning, attach header, replace or close all doors.

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