Doosan Forklift D25S-7

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.

Every 1500 Service Hours or 9 Months

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

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)

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

Warning: Read and understand the warnings and instructions in the Safety section of the manual before performing any operation or maintenance procedures.

Enter the forklift's hour meter reading

Choose the type of service done

Forklift passed the post-maintenance test?

Sign off on the forklift maintenance

Safety Warning: Read and understand the warnings and instructions in the Safety section of the manual before performing any operation or maintenance procedures.

Engine Oil & Filter (G424P(E) Engine Only) - Change

Operate lift truck to warm oil. Park the lift truck with the forks lowered, parking brake applied, transmission in neutral and the engine stopped.

Raise rear of lift truck off ground and block securely.

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

Remove the crankcase drain plug and allow oil to drain into a suitable container. Clean and install drain plug.

Raise the hood and seat assembly.

Remove and discard oil filter element.

Wipe sealing surface of oil filter element mounting base. Make sure the entire old gasket is removed.

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.

Start the engine and allow it to reach operating temperatures.

Inspect the entire for oil and/or coolant leaks.

Raise the hood and seat assembly.

Maintain oil level between the MAX. and MIN. marks on the dipstick.

Park the lift truck on a level surface. Apply the parking brake. The engine at low idle. Place the directional control lever in NEUTRAL.