Page 383 - Mechanic Diesel - TT

MECHANIC DIESEL - CITS

1 Diagnosis: Identify the issue with the pump, whether it’s leaking, making unusual noises, or failing to operate.
2 Disassembly: Carefully disassemble the pump, following manufacturer guidelines and using appropriate
tools.

3 Inspection: Thoroughly inspect all components for wear, damage, or corrosion. Pay close attention to seals,
bearings, and shafts.
4 Replacement: Replace any damaged or worn parts with new ones. Ensure replacements are compatible with
the specific pump model.
5 Cleaning: Clean all components, removing any debris, dirt, or residue. Use appropriate cleaning agents and
methods for different materials.

6 Reassembly: Reassemble the pump, following the disassembly steps in reverse order. Pay attention to proper
alignment and torque specifications.
7 Testing: Test the pump to ensure it operates correctly. Check for leaks, abnormal noises, and proper pressure
or flow rate.
8 Adjustment: Make any necessary adjustments to ensure optimal performance, such as adjusting clearance
or tightening fittings.
9 Maintenance: Provide recommendations for ongoing maintenance to prevent future issues, such as regular
lubrication or seal replacements.

10 Diagnostic Inspection: Identify the issue by inspecting the pump and surrounding components.
11 Final Inspection: Conduct a final inspection to confirm the pump is functioning correctly and safely.
12 Documentation: Document the repair process, including any parts replaced, adjustments made, and test
results, for future reference.

Brief description of turbine & stage pumps, positive displacements and their advantages
Tangential Flow Turbine: In this air turbine the air flow through tangent of runner. The air jet strikes the
runner tangentially and rotates the turbine. Example Pelton wheel turbine Pelton Turbine

b Radial Flow Turbine: In this type of turbine, the air flows in radial direction. This is subdivided into two types.
The first one is known as inward radial flow in which the air flows from periphery to the center. Example
Francis turbine. Second one is known as outward flow radial turbine in which air flow towards periphery from
center.

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CITS : Automotive - Mechanic Diesel - Lesson 132 - 135