Minor service - concrete mixer / agitator truck (all makes)
Estimated duration: 2 - 3 hours • Frequency: every 250 engine hours
Equipment Details
| # | Service Action | Type | Done | Notes |
|---|---|---|---|---|
| Engine and PTO | ||||
| 1 | Drain and replace engine oil (15W-40 CI-4/CK-4) | DRAIN/FILL | ☐ | |
| 2 | Replace engine oil filter | REPLACE | ☐ | |
| 3 | Check PTO oil level and condition | CHECK | ☐ | |
| 4 | Check PTO engagement and disengagement operation | CHECK | ☐ | |
| Drum Drive Hydraulics | ||||
| 5 | Check hydraulic oil level (drum drive system) | CHECK | ☐ | |
| 6 | Replace drum drive hydraulic filter | REPLACE | ☐ | |
| Drum and Mixing System | ||||
| 7 | Inspect drum for concrete buildup (clean if excessive) | INSPECT | ☐ | |
| 8 | Inspect drum interior wear (spiral fins/flights) | INSPECT | ☐ | |
| 9 | Check drum roller condition and alignment | CHECK | ☐ | |
| 10 | Inspect ring gear and pinion for wear or play | INSPECT | ☐ | |
| 11 | Inspect chutes, extension chutes and hoppers | INSPECT | ☐ | |
| Water System | ||||
| 12 | Check water system (tank, pump, hoses, nozzle) | CHECK | ☐ | |
| Lubrication | ||||
| 13 | Grease drum drive bearings | GREASE | ☐ | |
| 14 | Grease drum support rollers and trunnion | GREASE | ☐ | |
| Chassis and Truck Systems | ||||
| 15 | Inspect chassis/truck systems (brakes, tyres, lights) | INSPECT | ☐ | |
| Safety | ||||
| 16 | Check all safety guards around drum drive | CHECK | ☐ | |
| 17 | Test emergency drum stop | TEST | ☐ | |
Fluid Specifications (General Guide)
| System | Type / Grade | Approx. Capacity |
|---|---|---|
| Engine oil | 15W-40 CI-4 / CK-4 | 20 - 40 L |
| Hydraulic oil (drum drive) | ISO VG 46 | 30 - 60 L (system) |
| Drum drive gear oil | EP 220 or per manufacturer | Per manufacturer |
| Grease | EP2 lithium complex | As required |
| Water system | Clean water | Tank capacity varies |
Specifications are general guidelines for typical concrete mixer/agitator trucks. Always refer to the manufacturer's service manual for your specific make and model. Capacities vary by truck and drum size.
Parts / Consumables Required
| # | Part / Consumable | Part Number | Qty | Ready |
|---|---|---|---|---|
| 1 | Engine oil (15W-40) | 20-40 L | ☐ | |
| 2 | Engine oil filter | 1 | ☐ | |
| 3 | Hydraulic filter (drum drive) | 1 | ☐ | |
| 4 | EP2 grease cartridges | 2-4 | ☐ | |
| 5 | Water pump filter/strainer | 1 | ☐ | |
| 6 | Rags, drip tray, waste oil container | - | ☐ |
Notes / Defects Identified
Next Service Due
Technician
Supervisor / Workshop Manager