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Documents & Manuals

Find all the essential guides in one place.

Tensioning Guide
Belt-diagram
C-120 pulleys
+ 13 more

Work Order Templates

Pre-built workflows to keep your asset running smoothly.

Daily Electrical System Inspection
Replace Roller and Pulley
Install Engine B-120
+ 29 more

Procedures

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Motion Industries
Applied Industrial Technologies
Electrical Brothers
+ 5 more

Parts

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Drive Motor
B2 Rollers
Tensioning System
+ 40 more

Doosan Forklift D20S-7

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Maintenance Plans for Doosan Forklift Model D20S-7

Integrate maintenance plans directly into your work orders in MaintainX.

2500 Hourly / 15 Monthly Forklift Maintenance

Every 2500 Service Hours or 15 Months

You must read and understand the warnings and instructions contained in the Safety section of this manual, before performing any operation or maintenance procedures.

1) Hydraulic Oil - Check, Clean, Change

WARNING

Hot oil and components can cause personal injury. Do not allow hot oil or components to contact skin.

Park the lift truck level with the forks lowered, parking brake engaged, transmission in NEUTRAL and the engine stopped.

Remove the hydraulic tank drain plug. Allow the oil to drain into a suitable container. Clean and install the plug.

Remove the dipstick/filter cap assembly.

Fill the hydraulic tank.

Run this procedure

1500 Hourly / 9 Monthly Forklift Maintenance

Every 1500 Service Hours or 9 Months

1) Inspect Ignition System (LP, Dual Fuel Engine Only)

1. Disconnect Battery Cables.

2. Remove and inspect the spark plugs. Replace as required.

3. Test secondary cables with an Ohmmeter. If the maximum resistance is higher than 25 kOhms, repair and/or replace(G424F(E) engine only).

4. Inspect the ignition coil for cracks and heat deterioration. Visually inspect the coil heat sink fins. If any fins are broken replace as required.

2) Replace Spark Plugs (LP, Dual Fuel Engine Only)

1. Disconnect Battery Cables.

2. Using a gentle twisting motion remove the high voltage cables from the spark plugs. Replace any damaged cables.

Run this procedure

500 Hourly / 3 Monthly Forklift Maintenance

Engine Oil & Filter – Change

Steps to change engine oil and filter

Air Intake System - Check, Clean

Steps to check and clean air intake system

Belts - Check, Adjust

Steps to check and adjust belts

Mast Hinge Pin – Lubricate

Steps to lubricate mast hinge pin

Tilt Cylinders - Check, Adjust, Lubricate

Run this procedure

2000 Hourly / 1 Yearly Forklift Maintenance

Every 2000 Service Hours or Yearly

You must read and understand the warnings and instructions contained in the Safety section of this manual, before performing any operation or maintenance procedure.

1) Engine Valve Lash (Diesel Engine Only) – Check, Adjust

2) Steer Wheel Bearings - Reassemble

Park the lift truck level with the forks lowered, parking brake engaged, transmission in NEUTRAL and the engine stopped.

1. Lift the steer wheels off the ground. Place stands or blocking under the frame and steer axle to support the lift truck.

2. Remove the hub cap which is pressed into the wheel hub.

3. Straighten the lock washer tangs.

4. Remove the locknut, lock washer and flat washer.

Run this procedure

10 Hourly / 1 Daily Forklift Inspection

Forks visually inspected for cracks, especially in the heel section, around the mounting brackets, and all weld areas

Positioning lock is in place and working

Engine inspected for Fluid Leaks