Hyundai R18-9AK Crawler Excavator Service Manual
392 pages · Publication R18-9AK
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- Models
- R18-9AK
- Manual type
- Service Manual
- Pages
- 392
- Publication
- R18-9AK
- Condition
- Brand new

What's inside
From the manual's own table of contents: 35 topics. See sample pages (PDF, 737 KB)
- Group 1 Safety Hints
- Group 2 Specifications
- Group 1 Pump Device
- Group 2 Main Control Valve
- Group 3 Swing Device
- Group 4 Travel Device
- Group 5 RCV Lever
- Group 6 RCV Pedal
- Group 1 Hydraulic Circuit
- Group 2 Main Circuit
- Group 3 Pilot Circuit
- Group 4 Single Operation
- Group 5 Combined Operation
- Group 1 Component Location
- Group 2 Monitoring system
- Group 3 Electrical Circuit
- Group 4 Electrical Component Specification
- Group 5 Connectors
- Group 1 Before Troubleshooting
- Group 2 Hydraulic and Mechanical System
- Group 3 Electrical System
- Group 1 Operational Performance Test
- Group 2 Major Components
- Group 3 Track and Work Equipment
Show all 35 topics
- Group 1 Precaution
- Group 2 Tightening Torque
- Group 3 Pump Device
- Group 4 Main Control Valve
- Group 5 Swing Device
- Group 6 Travel Device
- Group 7 RCV Lever
- Group 8 Turning Joint
- Group 9 Boom, Arm and Bucket Cylinder
- Group 10 Undercarriage
- Group 11 Work Equipment
Inside this manual
Real pages from this service manual (392 pages). Open the sample pages (PDF, 737 KB)
- Specifications, page 36: TRAVEL MOTOR
- Diagram, page 132: SWING CIRCUIT OPERATION
- Troubleshooting, page 186: SECTION 5 TROUBLESHOOTING
- Color page, page 344: 18AK7RCV15
- Color page, page 145: The bucket is operated and the machine travels straight.
- Foldout diagram, page 153: ENG OIL PS
This is a service manual
Here's how it compares to the other manual types.
Service manual
Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.
Operator's manual
Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.
Parts manual
Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.
Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.
What it's used for
Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.
Service shops and owner/operators who repair their own equipment
Identifying correct parts and seeing how assemblies come apart and go back together
Keeping equipment running with less downtime
Factory manual, 392 pages
Quantity one is the manual described above.
Fast free USA shipping
Ships in 1 business day.
60-day returns
Free if the mistake is ours. A manual ordered in error must come back unopened in its shrink-wrap; you pay return shipping and a 20% restocking fee applies. Return policy
Binder not included
Manuals over about 300 pages may need a standard 3-ring binder, which you can buy locally to keep the pages organized for shop use.
Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).