Service manual and spare‑parts list for ZF M line marine reversing gearboxes, covering installation, operation, maintenance and troubleshooting.
The ZF M line service manual provides detailed technical data, installation instructions, operating guidelines, maintenance procedures and a complete spare‑parts list for the ZF 3 M, 5 M, 10 M, 12 M, 15 M, 15 MA, 15 MIV, 25 M, 25 MA and 30 M marine reversing gearboxes. It includes explosion‑view drawings, torque specifications, lubrication requirements and recommended fluids.
The manual is intended for shipyards, power‑plant suppliers and craft owners, and it outlines warranty conditions, safety cautions and the proper use of tools and accessories during repair and overhaul of the gearboxes.
| ZF 3 M Input torque max | 40 Nm |
|---|---|
| ZF 3 M Power input max | 15 kW |
| ZF 3 M Input speed max | 5000 rpm |
| ZF 3 M Weight without fluid | 8 kg |
| ZF 3 M Fluid quantity | 0.3 L |
| Recommended fluid | Automatic‑Transmission‑Fluid (ATF) |
| M8 bolt torque (installation) | 14 Nm (10 ft lb) |
| M10 bolt torque (installation) | 28 Nm (20 ft lb) |
The recommended fluid is Automatic‑Transmission‑Fluid (ATF).
M8 bolts should be tightened to 14 Nm (10 ft lb).
Yes, in emergency situations the gearbox permits direct reversing at engine speed above idle rpm.
No, the gearboxes leave the factory fully assembled but without oil; a preservative coating is applied instead.