Pumps & Gearbox — Flow Control Valves

Flow Control Valves

Centrifugal Pumps

Complete pump maintenance from inspection to commissioning

Gear Box

Gearbox inspection, overhaul, and alignment services

Disassembled Gear Box

Complete disassembly, repair, and reassembly

Maintenance Procedure

1

Pre-Maintenance Checks

Isolate equipment and follow LOTO (Lockout/Tagout)
Ensure system is depressurized and drained
Wear proper PPE (gloves, helmet, safety shoes)
Review previous maintenance records

2

Visual Inspection

Pump Inspection

Check for leakage, vibration, noise
Inspect seals, coupling, and piping connections

Gearbox Inspection

Check oil level and condition
Inspect for overheating, abnormal sound, leakage

3

Disassembly

Mark parts for correct reassembly
Remove casing, shaft, bearings, seals carefully
Drain oil (gearbox) and fluid (pump)

4

Cleaning

Clean all components using solvent/degreaser
Remove dirt, sludge, and deposits
Dry using compressed air

5

Repair / Replacement

Replace damaged bearings, seals, gaskets, O-ring
Repair or replace worn gears/impeller
Ensure correct tolerances and fits

6

Reassembly

Reassemble as per markings and alignment
Apply proper lubrication
Tighten bolts to recommended torque

7

Alignment & Lubrication

Align pump with motor (dial gauge/laser)
Fill gearbox with recommended oil
Ensure correct coupling alignment

8

Testing & Commissioning

Perform no-load trial run
Check vibration, noise, temperature
Verify flow, pressure (pump)
Ensure no oil or fluid leakage