Part of the Yanmar Parts Manuals.
Locking down the exact replacement components for your crawler back-hoe is straightforward with this 175-page Yanmar VIO40-2 C(JP), VIO40-2 P(JP), VIO40-2 P(EX) parts catalog PDF (OEM #0CK10-M37702EN). Inside, you get highly detailed exploded views of every system, from the cabin heater assembly to the complete swing cylinder and travel motor. Packed with factory part numbers and component breakdowns, this reference shows you exactly how the boom, chassis, and hydraulic pump fit together so you never buy the wrong hardware. Verify the roller and adjust washer spring measures 14 mm in diameter, or confirm your one-touch decel circuit takes a 20 A fuse before you hit the parts counter. Stop letting wrong orders keep your equipment parked in the dirt. Open this cleanly bookmarked file on your tablet, track down the exact OEM part number, and get your excavator back to work.
What's Inside This Yanmar ViO40-2 Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Fuel System | Silenser & Air Cleaner, Accelerator, Fuel Tank & Fuel Pipe | |
| Cooling System | Fan, Radiator & Mount | |
| Engine | Frame & Turning Bearing, Hyd.Oil Pump & Joint | |
| Electrical System | Battery, Work Lamp & Canopy Lamp, Solenoid Valve, 106.Solenoid Valve | |
| Hydraulics & 3-Point Hitch | Boom Cylinder, Arm Cylinder, Bucket Cylinder, Swing Cylinder, Blade Cylinder, Hitch Cylinder, Control Valve, Remote Control Valve, Remote Con. Valve, Rotary Valve, Hold Valve | |
| Body & Operator Station | Cover, Step & Instrument Panel, Seat & Seat Mount, Bonnet, Cabin, Canopy & Canopy Mount, ROPS Canopy & Canopy Mount, Hyd.Oil Tank, Boom & Boom Bracket | |
| Decals & Accessories | Label, Safety Label | |
| Other Components | Reference Materials, Engine Mount, Electric Part, Heater, Radio, Compressor & Pulley, Piping, Roller & Adjust, Crawler, Lock Lever & Stand, Travel Lever, Operation Lever, Blade Lever, Swing Pedal, Low-High Pedal, P.T.O.Pedal |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Decel Fuse Rating | 20 A | p. 35 |
| Flasher Lamp Bulb Rating | 12V 20W | p. 36 |
| Roller & Adjust Washer Spring Diameter | 14 mm | p. 66 |
| Frame Grommet Diameter | 34 mm | p. 65 |
| Turning Motor Ring Diameter | 20 mm | p. 26 |
Yanmar ViO40-2 Common Problems This Manual Covers
Yanmar VIO40-2 decel circuit unresponsive and machine turns over slowly in cold weather
Inspect the wiring harness and fuse block components on page 35. Locate the exact part number for the 20 A decel fuse to restore functionality. Cross-reference the exploded view to order the correct replacement fuse and associated terminal connectors.
Manual Section: Electric Part(One Touch Decel) p. 35Track loses tension frequently and idler wheel assembly makes grinding noise during travel
Inspect the crawler chassis parts diagram on page 53. Locate the track tension components and verify the replacement part numbers. Ensure you order the exact 14 mm roller and adjust washer spring shown on page 66 to properly rebuild the assembly.
Manual Section: Crawler p. 53Swing function binds up intermittently and turning motor leaks hydraulic fluid onto the lower frame
Search the silencer and air cleaner section on page 26 to identify the exact 20 mm turning motor ring required for your machine. Review the exploded parts list to secure the correct replacement seals and O-rings needed to stop the leak.
Manual Section: Silenser & Air Cleaner p. 26Warning lights fail to illuminate and canopy work lamps remain completely dark during night operation
Examine the crane specification electrical parts breakdown on page 36. Identify the specific part number for the 12V 20W flasher lamp bulb to restore visibility. Consult the accompanying parts list to order any required wiring harnesses or replacement lamp housings.
Manual Section: Electric Part(Crane Spec.) p. 36Excessive vibration transfers to the cabin and lower frame cover plates rattle loudly during operation
Review the frame and turning bearing component list on page 65. Locate the exact part number for the 34 mm frame grommet to properly isolate the chassis. Cross-reference the exploded view to find all necessary replacement hardware and multi-sponge seals.
Manual Section: Frame & Turning Bearing p. 65Frequently Asked Questions
What is the hydraulic fluid level / maintenance procedure for a Yanmar VIO40-2?
The manual, being a parts catalog, lists components for the hydraulic oil tank but does not detail maintenance procedures or fluid level checks. However, it identifies the GAUGE ASSY with part number 172447-75600 (Ref. No. 11) for the HYD.OIL TANK, which would be used to check the fluid level. p. 121
What are the replacement specifications for Fuel filters?
The manual identifies several fuel-related filter components. For the fuel tank and pipe, the 'FILTER, FUEL' has part number 172183-14250 (Ref. No. 12-1). Additionally, a 'SEPARATOR ASSY,WATER' with part number 129335-55700 (Ref. No. 28) is listed, which functions as a fuel filter. p. 32
What are the replacement specifications for Air filter?
For the silencer and air cleaner assembly, the 'CLEANER ASSY, AIR' is listed with part number 172460-11500 (Ref. No. 13). The specific 'ELEMENT' for this cleaner, which is the air filter element, has part number 119808-12520 (Ref. No. 15). p. 26
How do you fix yanmar VIO40-2 decel circuit unresponsive and machine turns over slowly in cold weather?
Inspect the wiring harness and fuse block components on page 35. Locate the exact part number for the 20 A decel fuse to restore functionality. Cross-reference the exploded view to order the correct replacement fuse and associated terminal connectors. p. 35
How will I receive this Yanmar VIO40-2 C(JP), P(JP), P(EX) Parts Catalog?
This is a 175-page searchable PDF ready for immediate download. Works on any device, so pull it up on your phone while you're under the hood. No shipping, no waiting.
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