Intermediate service - tracked dozer / bulldozer (all makes)
Estimated duration: 3 - 5 hours • Frequency: every 500 engine hours
Equipment Details
| # | Service Action | Type | Done | Notes |
|---|---|---|---|---|
| Engine (additional to 250-hour) | ||||
| 1 | Replace fuel filter element | REPLACE | ☐ | |
| 2 | Replace outer air filter element | REPLACE | ☐ | |
| 3 | Check and adjust valve clearance | ADJUST | ☐ | |
| 4 | Test coolant concentration (refractometer) | TEST | ☐ | |
| Hydraulic System (additional to 250-hour) | ||||
| 5 | Replace hydraulic return filter | REPLACE | ☐ | |
| 6 | Take hydraulic oil sample for analysis | SAMPLE | ☐ | |
| Drivetrain (additional to 250-hour) | ||||
| 7 | Check final drive oil levels (both sides) | CHECK | ☐ | |
| 8 | Inspect steering clutch/brake system (adjustment, lining thickness) | INSPECT | ☐ | |
| Undercarriage / Tracks (additional to 250-hour) | ||||
| 9 | Measure track roller wear (record measurements) | MEASURE | ☐ | |
| 10 | Measure idler wear (record measurements) | MEASURE | ☐ | |
| 11 | Measure sprocket wear (record measurements) | MEASURE | ☐ | |
| Cab (additional to 250-hour) | ||||
| 12 | Service A/C system (if fitted) - check operation and refrigerant | CHECK | ☐ | |
| 13 | Inspect cab mounting bushes | INSPECT | ☐ | |
| Structural (additional to 250-hour) | ||||
| 14 | Check all guards and covers are fitted and secure | CHECK | ☐ | |
Fluid Specifications (General Guide)
| System | Type / Grade | Approx. Capacity |
|---|---|---|
| Engine oil | 15W-40 CI-4 / CK-4 | 20 - 35 L |
| Hydraulic oil | ISO VG 46 (AW 46) | 60 - 120 L (system) |
| Coolant | 50/50 ethylene glycol | 25 - 40 L |
| Final drive oil | 80W-90 GL-5 | 8 - 15 L per side |
| Steering clutch/brake oil | Per manufacturer specification | Per manufacturer |
| Grease | EP2 lithium complex | As required |
Specifications are general guidelines for typical tracked dozers / bulldozers. Always refer to the manufacturer's service manual for your specific make and model. Capacities vary by machine size.
Parts / Consumables Required (500-hour additional items)
| # | Part / Consumable | Part Number | Qty | Ready |
|---|---|---|---|---|
| 1 | Engine oil (15W-40) | 20-35 L | ☐ | |
| 2 | Engine oil filter | 1 | ☐ | |
| 3 | Fuel filter element | 1 | ☐ | |
| 4 | Outer air filter element | 1 | ☐ | |
| 5 | Hydraulic return filter | 1 | ☐ | |
| 6 | Fuel/water separator element | 1 | ☐ | |
| 7 | EP2 grease cartridges | 4-6 | ☐ | |
| 8 | Coolant test strips / refractometer | 1 | ☐ | |
| 9 | Oil sample bottle (hydraulic) | 1 | ☐ | |
| 10 | Coolant (pre-mixed or concentrate) | As req. | ☐ | |
| 11 | Rags, drip tray, waste oil container | - | ☐ |
Notes / Defects Identified
Next Service Due
Technician
Supervisor / Workshop Manager