Introduction
Proper maintenance is the cornerstone of protecting your investment in a Road Sweeper Truck, directly impacting its operational reliability, total cost of ownership, and service lifespan. This guide presents a structured, hour-based maintenance protocol designed to systematically sustain peak performance, minimize unplanned downtime, and maximize the long-term return on your asset.

1.0 Maintenance Schedule
Follow this schedule based on actual engine operating hours:
- Daily Maintenance – After each shift.
- Level 1 Maintenance – Every 50 operating hours.
- Level 2 Maintenance – Every 250 operating hours.
- Level 3 (Major) Maintenance – Every 1000 operating hours.

2.0 Daily Maintenance (Post-Operation)
Focus: Clean, Check, Prepare.
- Clean all sensors, rinse the hopper, filters, and body.

- In dusty conditions, clean engine air pre-cleaners.
- Check and top up engine oil, coolant, and hydraulic fluid.

- Inspect for leaks, check tire pressure and condition.
- Check drive belt tension and fastener tightness.
- Address any faults from the day's operation.
3.0 Level 1 Maintenance (50-Hour Service)
Focus: Lubricate, Tighten, Service Basics.
- Clean or replace engine air, fuel, and cab filters.
- Lubricate all grease points (joints, bearings, linkages).

- Check and top up gearbox and pump oil levels.
- Tighten all exposed bolts, nuts, and hydraulic fittings.
- Inspect brushes and hoses for wear.
- Adjust side brush pressure and suction nozzle height.
- Perform engine and chassis 50-hour service items.
4.0 Level 2 Maintenance (250-Hour Service)
- Focus: Inspect Systems, Adjust, Replace Filters.
- Complete all Level 1 tasks.
- Replace hydraulic return line filters.
- Inspect hydraulic hoses for damage or leaks.
- Check all rubber seals, gaskets, and wear parts.
- Inspect and replace worn drive belts.
- Check electrical connections and safety devices.
- Calibrate water pump output and spray patterns.
- Verify and adjust hydraulic system pressures.
- Perform engine and chassis 250-hour service.

5.0 Level 3 / Major Maintenance (1000-Hour Service)
Focus: Major Service, Overhaul, and Prevention.
- Complete all Level 1 & 2 tasks.
- Flush and replace all major hydraulic and engine fluids.
- Replace all filters (fuel, oil, air, hydraulic).
- Service water pump seals and bearings.
- Inspect fan assembly in detail.
- Perform OEM-recommended 1000-hour/annual service on chassis and auxiliary engine.
- Test and calibrate all systems under operating conditions.
Conclusion
Regular, scheduled maintenance maximizes your sweeper's productivity, lifespan, and value. Follow this plan to ensure reliable performance, lower operating costs, and a cleaner return on your investment.






