Myford MG12-HPC Grinder Manual – Supplemental Guide

This Myford MG12-HP / MG12-HPC Plunge Feed Cylindrical Grinder Supplemental Manual is an essential companion to the full MG12 documentation set, providing targeted coverage for the special features, controls, and service procedures unique to the HP and HPC plunge-feed models. Designed for toolrooms, precision grinding shops, rebuilders, and machine restorers, this manual contains 29 standard pages plus 7 large foldout pages—a total of 36 pages of detailed technical information.

Covering operation, maintenance, parts identification, hydraulic and electrical systems, this supplemental manual gives a complete understanding of the MG12-HP and MG12-HPC’s plunge-feed grinding capability. It explains the machine’s dedicated hydraulic feed system, electrical control circuits, spindle functions, feed cycle adjustments, and grinding performance tuning.

The foldout diagrams provide large-format illustrations of hydraulic circuits, electrical schematics, lubrication routing, and parts assemblies—making troubleshooting, repair, and setup significantly easier. Whether you are commissioning a used machine, restoring a Myford grinder, or fine-tuning your shop’s production accuracy, this supplemental guide gives detailed support where the general MG12 manual ends.

Manual Covers:

• Plunge-feed system principles & operation

• Hydraulic system layout, flow diagrams & service points

• Electrical circuits, wiring schematics & control functions

• Detailed operating procedures for plunge-feed grinding

• Maintenance and adjustment instructions

• Spindle, slideway, and feed mechanism service

• Lubrication routing & oiling recommendations

• Troubleshooting hydraulic and electrical issues

• Foldout pages with large-scale diagrams

• Complete parts identification for HP/HPC-specific assemblies