Merlo Roto 38.14 IMS 400° Hydraulic Circuit Diagnostic Manual (PDF)

Description

Merlo Roto 38.14 IMS 400° Hydraulic Circuit Diagnostic Manual (PDF) DOWNLOAD

Description

✅ What this PDF manual covers

This is a Merlo Service Manual – Diagnostic Manual section focused on the Load Sensing (LS) – Semi-Compensated hydraulic circuit used on Roto IMS / Roto MCSS / Roto SM telescopic handlers. Perfect for technicians who need clear schematics + component callouts to troubleshoot steering, stabilizers, boom functions, and hydraulic control logic.

Valid for: ROTO 38.14 IMS 400° (up to SAV C037141)
Publication: Pub# 063570

📌 Models / Systems Covered

• Merlo ROTO 38.14 IMS 400° (up to SAV C037141)

• Hydraulic circuit section applicable to Roto IMS / Roto MCSS / Roto SM

📂 Table of Contents (from this PDF)

• Introduction

• Hydraulic System Diagram (detailed schematic layouts)

• System Components and Connections

• Dismantling and Service of the Components

🧩 What you’ll find inside (high-value highlights)

🗺️ Hydraulic system diagrams (schematics)

• Full circuit drawings with numbered component callouts for quick tracing and diagnostics.

🔩 Component identification lists (by schematic ID)

Includes labeled items such as:

• Suction line filter / Return line filter

• Variable delivery pump

• Main directional control valve

• Power steering solenoid valve manifolds

• Stabilizer electro-valve block

• Accumulators (e.g., 50 bar / 70 bar / 100 bar)

• Stabilizer arms solenoid valves & ram locks

• Carriage ram locks, lifting & telescoping ram locks

• Reduction brake, slew lock valve, damping check valve, and more

⚙️ LS Pump theory & troubleshooting support

• Clear explanation of Load Sensing variable delivery pump operation

• Notes on common pump types used on Merlo machines:

  • Rexroth-type pump (ports/adjusters explained)

  • Sauer-Danfoss-type pump (control LS, standby pressure register, pump maximum pressure register)

⚠️ Quick Note (balanced, not negative)

This file is a focused diagnostic/hydraulic circuit section (great for hydraulics troubleshooting). It is not the complete “full machine service manual” covering every system end-to-end.

📋 File Details

Chasing a hydraulic fault? This manual gives you the exact LS circuit diagrams and component callouts so you can diagnose faster, avoid guesswork, and get the machine back to work—download instantly and start troubleshooting now.