918 heavy-duty grouser operation manual, introduces the safety precautions, work site safety precautions, electrical safety, personal safety precautions, tool use and maintenance of the machine.
This manual covers essential safety precautions, proper wiring, and personal protective equipment required before operating the RIDGID 918 heavy‑duty rolling grooving machine. It also details the installation process on various RIDGID drive units and the correct setup of the grooving rollers and hydraulic pump.
Operational guidance includes adjusting the depth knob, selecting the appropriate drive speed, handling different pipe sizes, and performing routine maintenance. A comprehensive troubleshooting section helps diagnose common issues such as narrow grooves, roll wear, or insufficient torque. This manual is written in Chinese.
| Rolling capacity (40‑size pipe) | 1"‑8" |
|---|---|
| Required drive speed | 38 rpm |
The machine must be driven at 38 rpm; using a different speed can cause unsafe operation.
Check the grooving roll and drive roll for wear and replace them if necessary, as indicated in the fault‑removal table.