Doosan D20S-9 D25S-9 D30S-9 D33S-9 D35C-9 Forklift Operation & Maintenance Manual – PDF Download

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Doosan D20S-9 D25S-9 D30S-9 D33S-9 D35C-9 Forklift Operation & Maintenance Manual — PDF Download

This is the complete Doosan Operation & Maintenance Manual for the D20S-9, D25S-9, D30S-9, D33S-9 and D35C-9 counterbalanced forklift trucks, issued under document number SB2503E04. It covers the 2.4-litre DM02VA Stage-5 and DM02P De-tier (T4F) diesel engine variants, including the FDA2A through FDA2E model designations and the DM02-LEF03 De-Tier / DM02-MFF07 Stage V builds. Everything inside is written for the real workshop — pre-shift walk-around checklists, step-by-step truck operation, the electronic parking brake and seat-switch behaviour, mast, carriage and fork inspection tolerances, lift-chain wear limits, torque figures in both N·m and lb·ft, coolant and lubricant specifications, and the full service-interval schedule from Every 10 Service Hours or Daily all the way out to Every 5000 Service Hours or 30 Months DPF ash cleaning.

File Details

• Manual type: Operation & Maintenance Manual
• Brand: Doosan Industrial Vehicle
• Models covered: D20S-9, D25S-9, D30S-9, D33S-9, D35C-9
• Model designations: FDA2A, FDA2B, FDA2C, FDA2D, FDA2E
• Engine coverage: DM02VA Stage-5, DM02P De-tier (T4F); DM02-LEF03 De-Tier / DM02-MFF07 Stage V
• Language: English
• Page count: 184
• File format: PDF
• Document number: SB2503E04

Chapters Covered

• Information Section
• Safety Section
• General Section
• Operation Section
• Maintenance Section
• Environment Protection Section
• Index Section

Safety Section

Opens with Doosan’s basic safety precautions, warning-sign and decal locations, the electronic parking brake behaviour, general hazard, operation and maintenance warnings, burn and fire prevention, and the operator-restraint system with tipover survival procedure — including the Fasten Seat Belt, Don’t Jump, Lean Away and Brace Feet instructions. Every warning is printed as it appears on the truck so the operator can match the manual’s wording to the label on the machine.

General Section

Declaration of Conformity for EU and UK, full specification tables for all five models (dimensions, axle loading, tyre sizes, travel and lift speeds, gradeability, engine data), noise and vibration figures, capacity charts with and without sideshifter for both single and double tyres, serial-number locations and the operator’s warning/identification plate layout with all mast and attachment abbreviations explained.

Operation Section

Instrument-panel layout with every indicator, warning light and gauge identified; the seat-switch and functional-safety systems, performance-level table and the FS VCU warning-buzzer classification; lift-truck controls — direction lever, inching pedal, service brake, accelerator, lift, tilt, sideshift, emergency switch and electronic parking brake; refueling procedure; pre-start walk-around; diesel cold and warm starting (including external 12 V jump-starting); lift-truck operation, inching, travel with load, turning and unloading; the fingertip option (lift, tilt, sideshift, auto-tilt and auto-clamp); the TMS (Lin-Q) telematics terminal overview; the DM02VA / DM02P electronic controlled diesel engine; parking the truck; fork adjustment; storage and long-term storage; transportation hints, crane lifting and tiedown; and towing procedures including how to release the electronic parking brake by force.

Maintenance Section

The full scheduled-maintenance programme: inspection, maintenance and repair of lift-truck forks; tyre inflation pressures; torque specifications for metric and standard hardware, hose clamps and taperlock studs; cooling-system specifications, coolant water limits and antifreeze concentrations; diesel fuel specifications including bio-diesel, HVO and GTL limits; lubricant information, viscosities and refill capacities. Then the service intervals — When Required, Every 10 Service Hours or Daily, First 50–100 Service Hours or a Week, Every 500 Service Hours or 3 Months, Every 1000 Service Hours or 6 Months, Every 2000 Service Hours or Yearly, Every 2500 Service Hours or 15 Months and Every 5000 Service Hours or 30 Months — each with its own illustrated step-by-step procedures for engine oil and filter, air intake, drive axle and transmission, parking brake, mast and chains, steering, hydraulic system, cooling system and DPF regeneration.

Environment Protection

Doosan’s guidance on handling coolant, oil, fuel, grease and electrolyte during servicing — what to collect in approved containers and where to dispose of it.

Why This Manual Belongs in Your Workshop

Whether you run a fleet of Doosan counterbalance trucks, are servicing a single D30S-9 in a warehouse, or have just taken on a used D35C-9 with no paperwork, this Doosan forklift operation and maintenance manual gives you the exact procedures, tolerances and torque values Doosan publishes for the machine — not a generic forklift book. The DPF regeneration sequence, the mast and lift-chain wear limits, the parking-brake test on a 15% grade, the seat-switch and mast-interlock behaviours and the electronic parking brake release are all documented in the depth required to keep the truck running safely and within spec.

Delivered as an instant PDF download — no shipping, no waiting. Read it on a laptop in the workshop, on a tablet at the mast, or print the pages you need for the shift. Every section is laid out exactly as Doosan printed it, so you can reference torque values, capacities and step numbers directly against the truck in front of you.