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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

Integrate maintenance plans directly into your work orders.

Motion Industries
Applied Industrial Technologies
Electrical Brothers
+ 5 more

Parts

Access the parts list for your equipment in MaintainX.

Drive Motor
B2 Rollers
Tensioning System
+ 40 more

Doosan Forklift G25N-7

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Maintenance Plans for Doosan Forklift Model G25N-7

Integrate maintenance plans directly into your work orders in MaintainX.

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.

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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

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1000 Hourly / 6 Monthly Forklift Maintenance

Hydraulic Return Filter, Breather & Strainer - Check, Change

Steps to change Hydraulic Return Filter, Breather & Strainer

Transmission Oil, Oil Filter & Strainer - Check, Clean, Change

Lift Chains - Test, Check, Adjust

Lift Chain Wear Test

Check for Equal Tension

Lift Chain Adjustment

Universal Joint – Inspect

Universal Joint Inspection

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10 Hourly / 1 Daily Forklift Inspection

Visually inspect forks for cracks, especially in the heel section, around the mounting brackets, and all weld areas.

Inspect for broken or jagged fork tips, bent or twisted blades and shanks.

Make sure positioning lock is in place and working.

Lock the forks in position before using the truck.

Remove all defective forks from service.

Inspect Engine for Fluid Leaks

Engine Oil Level - Check

Drive Axle Oil Level - Check

Coolant Level – Check

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Initial 50 Hours / 1 Week Forklift Maintenance

First 50 - 100 Service Hours or a Week

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) Engine Oil & Filter (Diesel Engine Only) - Change

The engine oil in a new engine becomes contaminated from the initial break-in of internal parts. It is very important that the initial oil and filter change is performed as scheduled.

NOTE: The oil drain plug may be in another location if an optional oil pan is used.

Checking Engine Oil (D24A Diesel Engine Only)

1. Check that the engine is at level position.

2. Start and warm up the engine to operating temperature.

3. Stop the engine and wait for 5~10 minutes.

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