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

Out in the field this Puma 150’s usually pulling tillage, running a baler, or on loader duty around the yard, dust and mud everywhere, often at night when something decides to quit. This service manual helps you trace faults step by step so you’re not just throwing parts at it. Say the tractor won’t move but the engine runs fine; you’d follow the transmission and clutch diagnostics, check pressures and switches in order, and verify what’s actually failed before you touch a wrench.

Applications & Use Cases

• Track down a no-start by following the electrical and fuel system tests, so you can isolate whether it’s a switch, wiring, or fuel delivery.
• Diagnose weak hydraulics by checking flow, then inspecting valves and couplers in sequence, instead of guessing at the pump.
• Verify sensor or ECU issues on the Tier 4B system, using the manual’s test procedures before you buy any electronic parts.
• Route and align hoses, linkages, and harnesses correctly after a repair, so nothing rubs through or binds later.
• Bleed brakes and steering circuits the way the factory lays it out, which usually clears spongy pedals without repeat jobs.

FAQ

Q: Is this manual searchable, or am I scrolling forever on a phone?

A: It’s typically a searchable PDF, so you can jump to systems or keywords, though a tablet or laptop is easier than a phone in the shop.

Q: Can I print just the sections I need to take to the tractor?

A: Yes, most folks print key procedures or diagrams, stick them in a sleeve, and keep the full file on a computer for quick reference.

Safety Note

Always support raised implements and the tractor securely before you crawl under it to inspect or test anything.

Case Puma 150 Multicontroller 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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