2002 Komatsu PC27MRx-1 / PC30MRx-1 / PC35MRx-1 Operation & Maintenance Manual (247 P.)
Complete operational guidance and hydraulic system specifications for mini excavator models. Factory documentation includes daily maintenance schedules, attachment procedures, and troubleshooting for all three PC-series compact excavator variants. SEAM035305T
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Sample pages from the 2002 Komatsu PC27MRx-1 / PC30MRx-1 / PC35MRx-1 Operation & Maintenance Manual (247 P.) manual
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Models Covered & Key Technical Specifications
Komatsu PC27MRx-1, PC30MRx-1, PC35MRx-1 — 2002 Detailed Reference Handbook | Mini-Excavator Series Set.
- Measured Liquid Volume: Hydraulic system capacity reaches 47 L (12.42 US gal) for PC27MRx-1 and PC30MRx-1 models, establishing the primary reservoir Specifications.
- Fundamental Electrical Specs: Engine horsepower determines 18.8 kW (25 HP) at 2600 rpm for PC27MRx-1, and 20.6 kW (28 HP) at 2500 rpm for PC30/35MRx-1 units, indicating rated power Framework.
- Baseline Gap Specs: Fuel tank capacity is calibrated to 37 L (9.78 US gal) for PC27MRx-1 and 42 L (11.10 US gal) for PC30/35MRx-1 machines, specifying minimum fuel volume Logic.
- Integral Thermal Rating: Maximum digging depth is rated at 2,650 mm (8'8") for PC27MRx-1, 2,835 mm (9'4") for PC30MRx-1, and 3,150 mm (10'4") for PC35MRx-1 — representing maximum excavation depth Threshold.
- Operational Unit Dimensions: Overall length achieves 4,140 mm (13'7") for PC27MRx-1, 4,660 mm (15'3") for PC30MRx-1, and 4,800 mm (15'9") for PC35MRx-1 machines, defining machine footprint Benchmarks.
- Published Reservoir Specs: Operating weight corresponds to 3,005 kg (6,626 lb) for PC27MRx-1, 3,200 kg (7,056 lb) for PC30MRx-1, and 3,765 kg (8,302 lb) for PC35MRx-1 excavators, representing load-bearing capacity Range.
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Full-Coverage Specification Safety Manual: Mini Excavator Komatsu PC27MRx-1, PC30MRx-1, PC35MRx-1 Excavator Operation & Maintenance Manual (2002 Edition) Data-Compendium
Assembly-Group: Komatsu PC27MRx-1 (serial 10001 and up), PC30MRx-1 (serial 10001 and up), PC35MRx-1 (serial 1001 and up) // Conceptual-Layout: Hydraulic compact excavator system architecture and operational framework // Architecture-Focus: Complete technical documentation for three-model mini excavator platform.
| Component | Rating | Calibration-Data |
|---|---|---|
| Hydraulic System | Operating Range 0-250 kgf/cm² | Complete specifications provided, See Chapter 5 |
| Engine (3D82AE/3D84E Series) | 18.8-20.6 kW output | Torque curves and performance data documented |
| Track Configuration | Steel shoes/Rubber shoes/Road liners | Tension adjustment procedures specified, See Chapter 4 |
Featuring a modular arrangement of comprehensive operation and maintenance guidance, this document encompasses safety protocols, system fundamentals, service routines, and engineering particulars for the Komatsu compact excavator lineup. The manual provides control systems documentation, encompasses hydraulic circuit guidance, integrates specification tables, and systematically addresses maintenance schedules covering 100-hour through 2000-hour service intervals.
Factory procedures are documented for attachment operations including hydraulic breaker configuration, bucket replacement sequences, and control pattern selection between ISO and J/D patterns. Suspension service documentation covers undercarriage maintenance including track tension adjustment, rubber shoe replacement procedures, and track shoe bolt tightening torque specifications. Disassembly instructions are documented for fuel system service, hydraulic fluid management, and cooling system flushing protocols. Wear limits are specified for engine components, hydraulic seals, and safety-critical hoses requiring periodic replacement. System operation descriptions cover steering mechanisms, swing control coordination, and work equipment hydraulic valve sequencing. The document's strategic organization presents cold weather operation guidance, long-term storage protocols, and emergency troubleshooting procedures addressing electrical system failures, hydraulic circuit problems, and engine performance anomalies.
Technical data encompasses working ranges (maximum digging reach of 4,600-5,320 mm, maximum digging depth of 2,650-3,150 mm), operating weight specifications (3,005-3,880 kg depending on configuration), and travel speed parameters. Lubricant specifications identify SAE grade requirements (10W, 30, 40, 10W30, 15W40 engine oils; SAE80/90/140 gear oils; ethylene glycol antifreeze formulations) with supplier compatibility tables listing approved products from KOMATSU, AGIP, AMOCO, ARCO, BP, CALTEX, CASTROL, CHEVRON, and other international suppliers. The manual documents torque specifications for metric fasteners ranging from M6 through M39, establishing target values and permissible ranges for hydraulic hose connection points.
Safety critical parts requiring periodic replacement are identified with 2-year or 4000-hour intervals for fuel and hydraulic hoses, and 3-year replacement cycles for seat belts. Wiring diagrams, hydraulic circuit schematics, and control panel layouts facilitate system understanding. Optional equipment guidance covers air conditioner operation, radio receiver controls, and windshield washer fluid maintenance. The manual documents torque specifications for the [component] to ensure proper clamp load consistency.
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