

The Doosan Forklift D20S-9 is a robust industrial forklift designed for efficient material handling. Known for its reliability and performance, this model is ideal for various warehouse and construction applications, ensuring optimal productivity and safety in operations.
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Tensioning Guide
Belt-diagram
C-120 pulleys
+ 13 more
Pre-built workflows to keep your asset running smoothly.
Daily Electrical System Inspection
Replace Roller and Pulley
Install Engine B-120
+ 29 more
Integrate maintenance plans directly into your work orders.
Motion Industries
Applied Industrial Technologies
Electrical Brothers
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Drive Motor
B2 Rollers
Tensioning System
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Doosan Forklift D20S-9
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Integrate maintenance plans directly into your work orders in MaintainX.
Air Intake System Precleaner Maintenance
NOTICE! Never service precleaner with the engine running
Check the precleaner bowl for dirt build-up
Is the dirt up to the line?
If the dirt is up to the line, remove the precleaner bowl and empty it
Precleaner bowl emptied
Periodically wash the cover and bowl in water
Cover and bowl washed
Sign off on the precleaner maintenance
500 Hourly / 3 Monthly Secondary Element Change
Warning: Always replace the secondary element. Do not attempt to reuse it by cleaning.
Primary air cleaner element removed
Inside of the air cleaner housing and cover cleaned
Secondary element removed
Gasket between the air cleaner housing and the engine inlet inspected
Gasket damaged?
New secondary element installed
New or cleaned primary element installed
Cover installed
500 Hourly / 3 Monthly Steering Mechanism Maintenance
Lubricate the steer axle king pins, total of four fittings. Two on the right side and two on the left side
Lubricate the steering link bearings, total of four fittings. Two on the right side and two on the left side
Check for any worn or loose components of the steering mechanism
Remove any debris or trash;
1000 Hourly / 6 Monthly Universal Joint Inspection
Check the bearings for wear and damage, if any are worn or damaged, replace them
Check for any loose bolts, and tighten bolts if necessary
Inject a sufficient amount of grease into the grease nipples on the universal joint;
100 Hourly / 1 Weekly Parking Brake Adjustment
Park the lift truck on a level surface, lower the forks, shift the transmission to NEUTRAL and shut OFF the engine. Block the wheels securely.
Chock the lift truck's tires to prevent unintentional movement.
Remove the floor mat and floor plate.
Make sure the parking brake is released. Refer to the “How to release the electronic parking brake” in the operation section.
Remove the lock nut.
Fully lock the Parking brake adjust bolt by rotating it clockwise and then, loosen it by rotating for 1/2 turn counterclockwise.
Lock the Lock nut with Parking brake adjust bolt fully secured to prevent it from moving.
Return the parking brake. Refer to the “How to return the electronic parking brake” in the operation section.
Reinstall the floor plate and floor mat.
Access the parts list for your equipment in MaintainX.
Oil Fiter Cap
110910-00628
Oil Fiter Cap
110910-00628
Oil Fiter Cap
110910-00628
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Ensure your team follows consistent procedures to minimize equipment failures and costly delays.
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Lower Maintenance Costs
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