Case Puma 150 Tier 4B Final Tractor Service Manual (90453019) (May 2021)

These Puma 150 Tier 4B tractors usually live in fields, feedlots, and on-road between jobs, pulling tillage gear, mowers, or wagons all day. This service manual’s about walking you through how to trace a fault properly—engine, transmission, hydraulics, or electrical—so you don’t just throw parts at it. Say the tractor won’t lift an implement: the book walks you step by step to check the hydraulic circuit, verify pressures with a gauge, inspect couplers, and isolate whether it’s a valve, a sensor, or just a bad quick-connect before you spend real money.

Applications & Use Cases

• Track down a no-start by tracing fuel, air, and electrical checks in order, so you test before you replace anything.
• Diagnose hydraulic problems by routing through the factory test points and verifying what the ECU is seeing.
• Chase odd transmission behavior by following the shift diagnostics, checking linkages and electronics before blaming the whole gearbox.
• Inspect and align front axle and 4WD components when you’ve got vibration, pulling, or uneven tire wear.
• Bleed and test after repairs—cooling, brakes, hydraulics—using the same sequences the dealer techs follow.

FAQ

Q: Is this something I can search on a laptop in the shop, or is it just a scanned book?

A: It’s typically a searchable PDF, so you can jump to sections fast, though some diagrams may feel like scanned pages.

Q: Can I print just the pages I need to take out to the field?

A: Yes, you can usually print individual sections, which is handy when you don’t want a computer sitting in the mud.

Safety Note

Always verify you’ve safely blocked, lowered, and de-energized everything before you crawl under or crack open any pressurized line.

Case Puma 150 Tier 4B Final Tractor Index:

• Link Product / Engine
• Contents
• INTRODUCTION
• Engine – 10
• Clutch – 18
• Transmission – 21
• Four-Wheel Drive (4WD) system – 23
• Front axle system – 25
• Rear axle system – 27
• Power Take-Off (PTO) – 31
• Brakes and controls – 33
• Hydraulic systems – 35
• Hitches, drawbars, and implement couplings – 37
• Frames and ballasting – 39
• Steering – 41
• Wheels – 44
• Cab climate control – 50
• Electrical systems – 55
• Platform, cab, bodywork, and decals – 90
• SPECIAL TOOL INDEX

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