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Yanmar B22 Parts Catalog

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Type: Crawler Bachoe

117 Pages·2.5 MB·Searchable PDF·English

✓ Wiring Diagrams
✓ Hydraulic Schematics
✓ Bookmarks

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Final drive blew out. Travel motor's grinding. You're hunting part numbers blind. The Yanmar B22 Parts Catalog (OEM Y00S2901) has every diagram, indexed and ready.

Searching for a Yanmar B22 parts catalog PDF? This 117-page OEM document (Y00S2901) covers every variant: B22, B22-P[R], and the 3TN75L-RBVM and 3TN75L-RB engine builds of the Crawler Backhoe. You get exploded views and numbered parts lists spanning every major assembly: turning frame, travel motor, swivel joint, track roller, crawler assembly, boom and bucket cylinders, blade, hydraulic oil pump and tank, and the full fuel and cab systems. Open the electrical section for complete wiring layouts, harness routing, fuse locations, and switch assemblies. Cross-reference against the spec page confirming a 2350 mm max digging depth and nail the correct Yanmar Saffron Yellow touch-up paint at code 933110-91603. Chasing a part number shouldn't mean three phone calls to the dealer. Download now, jump straight to any system via bookmarks, and pull up your component on any device.

What's Inside This Yanmar B22 P(R) (Crawler Backhoe) Parts Manual

System	Pages	Key Topics
ROPS	-	Cylinder Assy, BOOM(Z, Seal Set, Head, Piston 75 27 a, Nipple PT1/8, Grease, Cover, Slide, Washer, Brake Arm
Electric Part	-	Harness, Wire, Fuse, Meter, Hour, Switch Assy, Starter, Relay
Hyd. Oil Tank	-	Reserver Assy, Filter, Suction, Gauge, Oil Level, O-Ring, Bolt W/WASHER M8X20, Spacer
Air Cleaner & Silencer	-	Pipe, Exhaust, Silencer, Cleaner Assy, Air, Element, Air Cleaner, Gasket
Engine Mount & Radiator	-	Absorber, Shock, Bracket, Engine, Radiator, Cap, Hose
Fuel Tank & Fuel Line	-	Tank Assy, Fuel, Gauge, Cap, Fuel Tank, Strainer, Fuel Inlet
Bonnet	-	Catch, Magnt, Step, Mount, Seat, Mat, Floor, Wing Bolt
Hyd. Oil Pump & Joint	-	Motor Assy, Turning, Gear Assy, Pinion, Seal Set, Valve, Brake
Link Stand	-	LINK(L), Lever, Joint, Rod Assy, Connecting, Shaft, Link
Operation Lever Stopper	-	Washer, Protector, Grommet, Frame, Turning, Plate, Bush
Arm Cylinder	-	Cylinder Assy, Bucket, Tube E/BUSH, Rod W/BUSH, Head 6035, Cylinder
Swing Cylinder	-	Cylinder Assy, Blade, Seal Set, CYL.HEAD, Tube W/BUSH, Rod W/BUSH
Greasing	-	Adaptor, Connector, O-Ring, Plug PT1/4, Screw, Hose, Tube, Spiral
Work Lamp	-	Band, Wire, Lamp, Work, Bulb 12V 60W, Stay, Boom Light
Blade Cylinder	-	Cylinder Assy, Blade, Seal Set, CYL.HEAD, Tube W/BUSH, Rod W/BUSH
Blade	-	Assy, 850, Pin, Plate, Lock, Cotter Pin, Nipple, Bolt
3rd Valve Control	-	Connector, O-Ring, Elbow, Tube, Pipe, Clamp
3rd Valve Piping	-	Pin Bush, Cotter Pin, Nipple B, Grease, Shim Set, Bucket, Teeth Assy
Boom & Bucket	-	Blade Assy, Pin, Plate, Lock, Cotter Pin, Nipple
Bucket Cylinder	-	CYL.ASSY, Seal Set, U-Nut, Washer, Collar, Piston
Turning Frame	-	Bearing, Seal Kit, Seal, Parallel Pin, Bolt
Turning Driving Gears	-	Rubber, Spring Washer, Bolt, Washer, Knob, Pin
Turning Motor	-	Motor Assy, Bearing, Gear, Plate, Shaft, Valve
Swivel Joint	-	Valve, Body Assy, Cover, Seat, Spring, O-Ring
Accelerator	-	Cable, Throttle, Lever W/BUSH, Bush, Bracket, Knob
Battery	-	Harness, Cover, Terminal, Bolt, Clamp
Seat & Step	-	Step, Base, Rummer, Mount, Seat, Plate, Cushion, Mat
Track Roller	-	Sprocket, Roller Assy, Shaft, Spacer, Seal, Circlip, Bearing, Bolt
Crawler (270)	-	Link Assy, Bush, Pin, Shoe, Master

Quick Reference Specifications

Specification	Value	Page
Max Digging Depth	2350 mm	p. 3
Paint Code (YANMAR Saffron Yellow)	933110-91603	p. 1

Yanmar B22 P(R) (Crawler Backhoe) Common Problems This Manual Covers

Yanmar B22 crawler backhoe turning motor leaking hydraulic fluid from the gear housing

Inspect the turning motor exploded view to carefully identify the replacement seal set. Cross-reference the pinion gear assembly and brake valve components. Verify your machine matches the standard 2.1 km/h travel speed before ordering replacement hydraulic parts.

Manual Section: Turning Motor

Bucket cylinder rod heavily scored and leaking fluid under pressure during heavy digging

Check the Boom & Attachment Parts Diagram for the bucket cylinder assembly breakdown. Locate the specific U-nut, collar, and piston seal set part numbers. Ensure the replacement parts exactly match the standard 0.06 m³ bucket capacity configuration.

Manual Section: Bucket Cylinder

Scratched engine bonnet and rusted side panels requiring exact factory color match touch up paint p. 1

Order replacement YANMAR Saffron Yellow paint using part number 933110-91603 as listed on page 1. Inspect the bonnet catch, magnet, and step mounts for hidden corrosion. Replace any rusted wing bolts on the 2100 kg machine mass chassis before repainting.

Manual Section: Bonnet

Excessive play in the main boom linkage and sloppy bucket movement during trenching

Verify the required boom pin, lock plate, and cotter pin part numbers. Replace any worn grease nipples while servicing the linkage. Confirm your machine is rated for the 2350 mm max digging depth before ordering the standard boom hardware.

Manual Section: Boom & Bucket

Track throwing off the sprocket due to completely seized or collapsed lower track rollers

Check the drivetrain parts diagram for the correct track roller assembly part numbers. Identify the required replacement shafts, spacers, seals, and circlips. Confirm your equipment matches the standard 1360 mm transport width before ordering replacement undercarriage components.

Manual Section: Track Roller

Frequently Asked Questions

Where to find production years for Yanmar B22 in YYYY-YYYY format?

The manual provides issue dates for its editions, which can indicate the period of relevance for the model. The first edition was issued in September 1989, a subsequent edition in October 1990, and another in July 1991. Some part numbers also include specific dates, such as "*1990.11" for a label.

What are the replacement specifications for final drive?

The manual identifies the final drive as the "TRAVEL MOTOR" (Fig. 38). Key components for replacement include the "MOTOR ASSY, DRIVE" (part number 172141-73350), "GEAR(B), PLANETARY" (part number 172141-70060), and various bearings and seals. Specific replacement procedures or torque specifications are not detailed.

What are the replacement specifications for hydraulic filters?

The manual identifies the hydraulic filters as "FILTER, SUCTION" (part number 172137-73700) and "FILTER ASSY, RETURN" (part number 172141-73750), located in the HYD. OIL TANK section (Fig. 45). Specific replacement procedures or intervals are not detailed in this manual.

Document Quality

This is a scanned document with an OCR layer, allowing you to search and copy text throughout the content. The text is generally crisp and readable, and pages are clean with minimal scan artifacts or skewed content. Diagrams and illustrations are clear raster images, and their labels are consistently readable. All pages contain relevant information, with no notable blank or filler pages present.

Brand	Yanmar
Model	B22, B22-P[R], B22[R], 3TN75L-RBVM, 3TN75L-RB, 3TN75L-RBVM(Q19830A), YANMAR CRAWLER BACHOE
Machine Type	Crawler Bachoe
Manual Type	Parts Manual
Language	English
Format	Searchable PDF (Digital Download)
Pages	117
File Size	2.5 MB
OEM Part Number	Y00S2901
Wiring Diagrams	Yes
Hydraulic Schematics	Yes
Torque Specifications	No
Bookmarked / Indexed	Yes
Document Quality	High

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