Minor service - chain trencher / wheel trencher (all makes)
Estimated duration: 2 - 3 hours • Frequency: every 250 engine hours
Equipment Details
| # | Service Action | Type | Done | Notes |
|---|---|---|---|---|
| Engine | ||||
| 1 | Drain and replace engine oil | DRAIN/FILL | ☐ | |
| 2 | Replace engine oil filter | REPLACE | ☐ | |
| 3 | Inspect air filter element (replace if blocked) | INSPECT | ☐ | |
| 4 | Check fuel filters and drain water separator | CHECK | ☐ | |
| 5 | Check coolant level and inspect hoses | CHECK | ☐ | |
| Hydraulic System | ||||
| 6 | Check hydraulic oil level (sight glass / dipstick) | CHECK | ☐ | |
| 7 | Inspect hydraulic hoses and fittings for leaks | INSPECT | ☐ | |
| 8 | Check hydraulic pressure gauges | CHECK | ☐ | |
| 9 | Inspect hydraulic pump drive coupling | INSPECT | ☐ | |
| Digging Chain and Boom | ||||
| 10 | Check digging chain tension and adjust if required | ADJUST | ☐ | |
| 11 | Inspect chain teeth for wear, breakage or missing carbide | INSPECT | ☐ | |
| 12 | Inspect drive and idler sprockets for wear | INSPECT | ☐ | |
| 13 | Check boom roller condition and chain guides | INSPECT | ☐ | |
| Conveyor / Auger | ||||
| 14 | Inspect spoil conveyor belt or auger for wear | INSPECT | ☐ | |
| 15 | Check conveyor drive chain or belt tension | CHECK | ☐ | |
| 16 | Inspect deflector / discharge chute | INSPECT | ☐ | |
| Undercarriage / Tyres | ||||
| 17 | Check track tension (tracked) or tyre pressures (wheeled) | CHECK | ☐ | |
| 18 | Inspect track pads / tyres for wear or damage | INSPECT | ☐ | |
| 19 | Check idlers, rollers and drive sprocket (tracked) | INSPECT | ☐ | |
| Electrical | ||||
| 20 | Check battery terminals and electrolyte | CHECK | ☐ | |
| 21 | Test all lights, beacon and horn | TEST | ☐ | |
| 22 | Check wiring harness for damage | INSPECT | ☐ | |
| Lubrication | ||||
| 23 | Grease all points per manufacturer chart | GREASE | ☐ | |
| Safety | ||||
| 24 | Inspect all guards and shields | INSPECT | ☐ | |
| 25 | Test emergency stop from all stations | TEST | ☐ | |
| 26 | Check mirrors and inspect ROPS/FOPS | INSPECT | ☐ | |
Fluid Specifications (General Guide)
| System | Type / Grade | Approx. Capacity |
|---|---|---|
| Engine oil | 15W-40 CI-4 / CK-4 | 4 - 10 L |
| Hydraulic oil | ISO VG 46 (AW 46) | 40 - 100 L (system) |
| Coolant | 50/50 ethylene glycol | 8 - 15 L |
| Grease | EP2 lithium complex | As required |
Specifications are general guidelines for typical chain and wheel trenchers (all makes). Always refer to the manufacturer's service manual for your specific make and model. Capacities vary by machine size.
Parts / Consumables Required
| # | Part / Consumable | Part Number | Qty | Ready |
|---|---|---|---|---|
| 1 | Engine oil (15W-40) | 4-10 L | ☐ | |
| 2 | Engine oil filter | 1 | ☐ | |
| 3 | Air filter element (if replacing) | 1 | ☐ | |
| 4 | Fuel filter element (if replacing) | 1 | ☐ | |
| 5 | Fuel/water separator element | 1 | ☐ | |
| 6 | Replacement chain teeth (if worn) | As req. | ☐ | |
| 7 | EP2 grease cartridges | 2-4 | ☐ | |
| 8 | Coolant (pre-mixed or concentrate) | As req. | ☐ | |
| 9 | Rags, drip tray, waste oil container | - | ☐ |
Notes / Defects Identified
Next Service Due
Technician
Supervisor / Workshop Manager