
Heald Models 261/361 Service Manual
Service manual for Heald Models 261 and 361 rotary surface grinding machines, published by The Heald Machine Company in Worcester, Massachusetts (copyright 1958). This workshop manual covers machine description, complete installation guidance including lifting and foundation setup, hydraulic system operation, and lubrication requirements. Operating instructions detail push button controls, switch operation, throttle management, chuck handling, and wheel slide adjustment. Setup procedures encompass grinding wheel mounting and truing, coolant system adjustment, magnetic chuck loading, grinding stroke configuration, speed settings, feed box calibration, and wheel dressing. Essential reference for technicians performing maintenance, troubleshooting, and repairs on these classic precision grinding machines.
Table of Contents:
- GENERAL DESCRIPTION
- INSTALLATION
- Lifting the Machine
- The Foundation
- Clean the Machine
- Connect and Fill the Hydraulic System
- Connect the Lubricating Tank—Model 261
- Connect the Machine to the Power Line
- Wheel Spindle Motor Plate—Model 361
- Align the Machine
- Attach the Coolant Tank
- Lubrication
- OPERATING INSTRUCTIONS
- Push Buttons and Switches
- Throttle Lever
- Table Lever
- Chuck Lever
- Chuck Speed Knob
- Wheel Slide Lever
- Sparkout
- Wheel Slide Switch
- SETTING UP
- Mount Grinding Wheel
- Adjust Coolant Spout
- Load Work on Magnetic Chuck
- Adjust Diameter and True New Wheel
- Set Grinding Stroke
- Positive Stop Dog
- Set Speeds
- Feed Box
- Adjust Picker Feed Box—Automatic Machine
- Adjust Picker Feed Box—Plain Machine
- Adjust Impulse Feed Box—Automatic Machine
- Adjust Impulse Feed Box—Plain Machine
- Dress the Wheel
- Grind Concave and Convex Surfaces
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Document Details
- Format
- Pages
- 109
- Size
- 45.8 MB
- Category
- Machine Tools