ISO 9001:2015 Certified CIDA EM1 Contractor Sri Lanka · Maldives · Bangladesh
After-Sales Services

After-Sales Service across Sri Lanka & Maldives.
Our work doesn't stop at handover.

Repairs, overhauls and preventive maintenance for diesel generators, AC chillers and fire pump systems. Certified engineers across all three countries. Factory-calibrated tools. OEM spare parts. If we sold it or installed it, we service it.

~3weeks
Typical Generator Major Overhaul Turnaround
250– 2,500+ kVA
Generator Capacity Range Serviced
40– 1,000+ TR
Chiller Capacity Range Serviced
24/7
Emergency Response Across All Three Markets
ISO 9001:2015

Quality-managed processes

OEM Spare Parts

Genuine, traceable, warranted

Factory-Calibrated Tools

Diagnostics & load-test rigs

Certified Technicians

OEM-trained, multi-brand

3-Country Coverage

LK · MV · BD field teams

01 — Generators

Diesel Generator Repair

Engine overhauls, alternator rewinding, control-panel refurbishment and load-bank testing — Cummins, Perkins, Deutz, MTU, Mitsubishi and more.

View scope →
02 — Chillers

AC Chiller Servicing

Compressor rebuilds, descaling, refrigerant work and BMS integration — air- and water-cooled, 40 TR to 1,000+ TR. Trane, Carrier, York, Aermec, Daikin, MHI.

View scope →
03 — Fire Systems

Fire Pump & Suppression

Annual NFPA-aligned testing, jockey/main/diesel pump service, sprinkler and FM-200 inspections, panel and sensor recommissioning.

View scope →
01 Generator Repair Solutions

Engine, alternator, panel —
rebuilt to OEM spec.

~3-week typical major overhaul 250 – 2,500+ kVA On-site or workshop

Our generator repair services restore reliable performance through complete teardown, mechanical inspection and rebuild — followed by load testing and fine-tuning before handover. We operate across diesel platforms with brand-agnostic depth and OEM-grade service kits.

Cummins KTA50 engine in NativeWay workshop — full top-end and bottom-end overhaul, pistons and components laid out for inspection
In our workshop Cummins KTA50 — full top-end & bottom-end overhaul
A · Mechanical

Full Engine Overhaul & Reconditioning

  • Complete disassembly, mechanical inspection and rebuild of engine components
  • Oil circuit optimisation — pressure-regulator tuning & seal replacements
  • Turbocharger repairs using OEM-grade service kits
  • Fuel system calibration: HP fuel pump rebuild, injector replacement, engine tuning
  • Comprehensive leak detection — STC rails, rocker gaskets, valve hoses
  • Cooling system rebuild including water-pump overhauls
B · Electrical

Alternator Overhaul & Insulation Renewal

  • Full decoupling and mechanical disassembly of the alternator
  • Insulation resistance testing and oven baking
  • VA35 solvent & VA42 varnish for dielectric protection
  • High-pressure cleaning of stator, rotor, exciter & PMG
  • Replacement of bearings, retainer springs & O-rings
  • Rotor balancing & air-gap verification
C · Controls

Electrical Harness & Control Systems

  • Full harness rewiring, connector replacement & routing optimisation
  • Control panel and PCB card inspection, cleaning & refurbishment
  • Generator breaker panel inspection & torque rebalancing of load cables
  • DSE / ComAp / Woodward controller diagnostics & firmware updates
  • AVR and governor tuning to OEM datasheet
  • Synchronisation panel commissioning for parallel operation
01
Site assessment

On-site inspection, log review, fault confirmation & quote.

02
Workshop intake

Decoupling, transport, teardown & component inspection.

03
Rebuild & test

Component replacement, reassembly, no-load run-in.

04
Load test & handover

Full-step load bank, performance report, recommissioning.

Brands serviced
Cummins Perkins Deutz MTU Mitsubishi Baudouin Teksan Stamford Leroy-Somer
Request Generator Service →
02 Precision Chiller Servicing

24/7 thermal stability —
kept that way.

Scheduled or call-out 40 – 1,000+ TR Air-cooled & water-cooled

We support hospitals, hotels, commercial complexes and industrial plants in maintaining 24/7 temperature stability. Our scope covers every key component — from compressor internals to condenser water loops — for both air-cooled and water-cooled chillers, with optional BMS integration and energy audits.

AC chiller compressor overhaul in NativeWay workshop — bearing, valve and oil-circuit work
On-site service Compressor overhaul — bearing, valve & oil-circuit work
A · Air-Cooled Chillers

Air-Cooled Chiller Service Expertise

  • Tube-bundle removal, high-pressure descaling & ultrasound inspection
  • Coil pressure-washing and anti-corrosion coating
  • Electrical system testing — contactors, sensors, relays, PCB boards
  • Fan motor rebalancing, bearing change-outs & airflow recalibration
  • Expansion-valve diagnostics, replacement & superheat tuning
  • Full refrigerant cycle: leak repair, vacuuming & gas charging
  • Optional integration to BMS & alarm notifications
B · Water-Cooled Chillers

Water-Cooled Chiller Overhauls

  • Evaporator inspection, acid cleaning & thermal-efficiency checks
  • Cooling-tower pump servicing & water chemistry checks
  • Motor control panel repairs, relay calibrations & PLC interface testing
  • Bearing replacements, rotor balancing & shaft alignment
  • Real-time energy performance audits & optimisation reporting
  • Compressor internals — vane positioner, oil pump & seals
  • Condenser water-loop chemical treatment & descaling
01
Performance audit

kW/TR, approach, sub-cool readings & trend review.

02
Mechanical service

Tube cleaning, compressor & pump overhauls.

03
Refrigerant work

Leak test, evacuate, charge & superheat tune.

04
Recommissioning

BMS check, alarm test & signed performance report.

Brands serviced
Trane Carrier York Aermec Daikin Mitsubishi Heavy Industries Hisense
Request Chiller Service →
03 Fire Pump & Suppression Service

Annual testing,
fast call-outs —
compliance you can prove.

NFPA-aligned annual testing Diesel, electric & jockey FM-200, sprinkler, hose-reel

When fire systems sit idle, they fail when they're needed most. We deliver scheduled NFPA-aligned testing, panel recommissioning, and emergency call-outs across pump skids, sprinkler networks, gas suppression and detection — with documented test reports for insurers and AHJs.

Diesel fire pump engine teardown in NativeWay workshop — full-flow churn and performance run preparation
Annual NFPA-aligned test Diesel fire pump skid — full-flow churn & performance run
A · Pump Sets

Fire Pump & Skid Servicing

  • Annual flow & churn test with calibrated flow-meter (NFPA 25 aligned)
  • Diesel fire pump engine service — fuel, cooling, exhaust, battery
  • Electric main & jockey pump service — bearings, seals, alignment
  • Pump controller (Tornatech / Eaton / Firetrol) calibration
  • Pressure-switch and relief-valve setting verification
  • Suction tank inspection, level switch & foot-valve check
B · Suppression

Sprinkler & Gas Suppression

  • Sprinkler network walkdown, head inspection & replacement
  • Wet/dry riser flushing & pressure testing
  • FM-200 / NOVEC clean-agent cylinder weighing & recharge
  • Hose reel, hydrant & landing-valve servicing
  • Foam system bladder tank inspection & concentrate test
  • Kitchen hood (Ansul/Amerex) wet-chemical recharge
C · Detection & Control

Detection, Alarm & Control Panels

  • Addressable / conventional fire alarm panel health check
  • Smoke, heat & aspirating detector cleaning & sensitivity test
  • Beam detector alignment & gain verification
  • Manual call point and sounder/strobe loop test
  • Battery autonomy test & backup-supply replacement
  • Documented test report for insurer / fire authority submission
01
Compliance audit

System inventory, last-test review & gap report.

02
Pump & valve test

Flow, churn, pressure-switch & relief setting verification.

03
Detection sweep

Panel, devices, suppression cylinders & battery test.

04
Documented sign-off

Test report & certificate ready for AHJ/insurer.

Brands serviced
Naffco Tornatech Firetrol Eaton Tyco Notifier Honeywell Ansul
Request Fire System Service →
Why NativeWay

The reasons facilities keep us
on speed-dial — across three countries.

24/7 Response

Engineer dispatched same-day for critical faults — Colombo, Malé and Dhaka field teams on rotation.

OEM Spare Parts

Genuine, traceable, warranted spares — direct supply chains with Cummins, Perkins, Trane, Carrier and more.

Certified Technicians

OEM-trained engineers with deep multi-brand experience across diesel, refrigeration and life-safety.

Multi-Country Coverage

Sri Lanka, Maldives and Bangladesh — one partner, one service standard, three local field bases.

Request Service

Generator down. Chiller drift. Pump fault.
Talk to us today.

Send us the asset details and a brief fault description — we'll come back within one business day with a scope, a quote, and a target site visit. For active emergencies, call our service line directly.

Service Hotline

+94 77 082 0820

Sri Lanka · Maldives · Bangladesh

Colombo HQ+94 11 2324242
Malé+960 742-8208
Dhaka+880 178 702 9750
Emailservice@nativeway.lk