Part of the Yanmar Parts Manuals.
Tracking down replacement components for your 2004-2006 crawler excavator is simple with this 142-page Yanmar Vio27 Series parts catalog PDF (OEM #0CS10-M44901EN). You get highly detailed exploded views for every system, from the complete hydraulic control valve assemblies to the undercarriage sprockets and track rollers. Inside, page after page of factory illustrations cross-reference directly to exact OEM part numbers so you order exactly what fits. Verify your track tension components using factory notes like the 2mm thickness for the standard idler bush or 4.5mm for the oversized variant before calling the parts counter. Ordering the wrong component kills your profit margin. Grab this bookmarked download, find the correct part number in seconds, and get the machine back in the dirt.
What's Inside This Yanmar ViO27-3 Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Fuel System | Air Cleaner, Accelerator, Fuel Tank, Fuel Piping | |
| Cooling System | Radiator Mount, Radiator & Sub Tank | |
| Engine | Muffler, Travel Frame & Turning Bearing, Oil Cooler | |
| Electrical System | Battery, Wiring, Instrument Panel & Starter Switch, Work Lamp & Canopy Lamp | |
| Hydraulics & 3-Point Hitch | Quick Coupler, Control Valve Plate, Hydraulic Pump & Joint, Boom Cylinder, Arm Cylinder, Bucket Cylinder, Swing Cylinder, Blade Cylinder, Hitch Cylinder, Control Valve, Way Valve, Remote Control Valve, Tank - Pump - Control Valve, Pump - Control Valve - Turning Motor, Control Valve - Swivel Joint & Swing Cylinder | |
| Body & Operator Station | Turning Frame, Cover, Step & Floor Mat, Seat & Seat Mount, Seat Mount, Bonnet, Cabin, Cabin Door, Tim Cabin, Tim Cabin Door, Canopy, Hyd. Oil Tank, Travel Frame, Boom Bracket | |
| Decals & Accessories | Label | |
| Other Components | Reference Materials, Engine Mount, Equipment, Travel Alarm, Heater, Sprocket & Roller, 102.Track Roller, Idler & Adjust, Crawler, Lock Lever & Stand, Travel Lever, Blade Lever, Swing Pedal, Low-High Pedal, P.T.O. Pedal, Instrument Panel & Arm Rest |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| BUSH (No.5, 29) thickness | 2mm | p. 40 |
| BUSH (No.5-1, 29-1) thickness | 4.5mm | p. 40 |
| Idler & Adjust Clearance (T=No.5, 29) | 2mm | p. 40 |
| Idler & Adjust Clearance (T=No.5-1, 29-1) | 4.5mm | p. 40 |
| Hydraulic Oil Tank Dimension (T=No.18) | 6mm | p. 107 |
| Hydraulic Oil Tank Dimension (T=No.18-1) | 12mm | p. 107 |
Yanmar ViO27-3 Common Problems This Manual Covers
Yanmar Vio27-3 crawler throws tracks frequently and need replacement idler bush part numbers for loose undercarriage
Inspect the Idler & Adjust parts diagram on page 40. Verify the required BUSH thickness, noting that standard No.5 or 29 parts measure 2mm. Locate the matching Idler Assy and Spring Assy part numbers in the index to order correct replacements for your specific serial number.
Manual Section: Idler & Adjust p. 40Machine loses travel power or hydraulic performance feels slow and need hydraulic oil tank component numbers
Review the Hyd. Oil Tank exploded view on page 107 to identify replacement suction tubes and flanges. Measure the tank dimension T=No.18 to confirm it is 6mm before selecting the corresponding mounting hardware part numbers from the list to fix the fluid restriction.
Manual Section: Hyd. Oil Tank p. 107Excavator undercarriage makes grinding noise during travel and need oversized idler bush part numbers for tensioner rebuild
Check the parts list on page 40 for the Idler & Adjust group. Identify the oversized BUSH (No.5-1, 29-1) which has a 4.5mm thickness. Match this bush with the correct floating seal and shaft assembly part numbers to complete your track tensioner repair correctly.
Manual Section: Idler & Adjust p. 40Hydraulic fluid leaking from cracked reservoir and need replacement tank mounting hardware part numbers for broken assembly
Examine the Hyd. Oil Tank diagram on page 107. Verify the tank mounting dimension T=No.18-1 measures exactly 12mm to ensure correct fitment. Cross-reference this dimension with the provided parts list to order the exact replacement tank, O-rings, and connector flanges for the repair.
Manual Section: Hyd. Oil Tank p. 107Frequently Asked Questions
How do you fix yanmar Vio27-3 crawler throws tracks frequently and need replacement idler bush part numbers for loose undercarriage?
Inspect the Idler & Adjust parts diagram on page 40. Verify the required BUSH thickness, noting that standard No.5 or 29 parts measure 2mm. Locate the matching Idler Assy and Spring Assy part numbers in the index to order correct replacements for your specific serial number. p. 40
How do you fix machine loses travel power or hydraulic performance feels slow and need hydraulic oil tank component numbers?
Review the Hyd. Oil Tank exploded view on page 107 to identify replacement suction tubes and flanges. Measure the tank dimension T=No.18 to confirm it is 6mm before selecting the corresponding mounting hardware part numbers from the list to fix the fluid restriction. p. 107
How do you fix excavator undercarriage makes grinding noise during travel and need oversized idler bush part numbers for tensioner rebuild?
Check the parts list on page 40 for the Idler & Adjust group. Identify the oversized BUSH (No.5-1, 29-1) which has a 4.5mm thickness. Match this bush with the correct floating seal and shaft assembly part numbers to complete your track tensioner repair correctly. p. 40
How do you fix hydraulic fluid leaking from cracked reservoir and need replacement tank mounting hardware part numbers for broken assembly?
Examine the Hyd. Oil Tank diagram on page 107. Verify the tank mounting dimension T=No.18-1 measures exactly 12mm to ensure correct fitment. Cross-reference this dimension with the provided parts list to order the exact replacement tank, O-rings, and connector flanges for the repair. p. 107
What format is this Vio27 Series manual in?
You get a 142-page searchable PDF that downloads instantly after checkout. Open it on your laptop, tablet, or phone, and bring it right to the shop floor.
Am I able to print pages from this Vio27 Series manual?
No restrictions at all. Print individual pages, full chapters, or the entire manual. The PDF is completely unlocked.
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