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Manual No. 1010C

MINSTER®

8952-399

$15.00

Service

Manual

OBI/OBS SERIES PRESS

MODEL

Main Page

Table of Contents5
Section B10
Press Identification11
Preparation for Use12
Press Safety13
Section C14
Press Installation15
Shipping and Receiving15
Unloading and Lifting15
Press Weight15
Cleaning15
Assembly16
Threaded Fasteners16
Minster Standard Torque Value Chart16
Press Foundation and Mounting17
Installing and Leveling the Press17
Front Panel and Lube Line Installation18
Drive V-Belt Installation18
Electrical Connections19
Digital Meters (Optional19
Digital Percent of Load Meter Calibration19
To Calibrate the Digital Percent of Load Meter20
Servicing Procedure20
Digital Speed Meter Calibration21
To Calibrate the Digital Speed Meter21
Servicing Procedure21
Remote Controls22
Flywheel Rotation22
To Check Flywheel Rotation22
Air Supply Connections22
Inclining the Press23
Auxiliary Equipment24
Pre-Start Lubrication Check24
Section D26
Press Lubrication27
System Description27
Service and Maintenance27
Reservoir Capacity27
Filling and Maintaining Lube Reservoir Oil Level27
Initial Lubrication28
Oil Cleanliness and Control30
Waste Disposal30
Changing Oil in the Lube System30
To Change Oil in the Lube System30
Lube System Oil Filter31
To Replace the Lube Unit 25 Micron Oil Filter31
Lube Distribution & Metering31
Metering Units31
To Check the Metering Units31
Flow Switch32
To Check the Flow Switch32
Minster Static Switch32
To Check the Static Switch33
Summary of Lubrication Areas34
Lubrication Areas35
Section E36
Press Servicing37
Safety Precautions37
Lockable Switches & Valves37
Servicing the Pneumatic System38
Air Lockout Valve38
Air Filter38
Air Filter39
Air Pressure Regulators39
Air Pressure Gauges39
Solenoid Air Valves39
Air Pressure Switches40
Air Line Lubricators40
To Fill the Air Line Lubricators40
To Adjust the Clutch/Brake Air Line Lubricator41
To Adjust the Slide Adjust Motor Air Line Lubricator41
Counterbalance System42
Theory of Operation42
Air Pressure Adjustments43
Determining die Weight43
Alternate Methods of Air Pressure Adjustment43
Balancing Slide and die Weight43
Percent Motor Load43
Effects of Improper Pressure44
Service and Maintenance44
Re-Applying Air after Shutdown44
To Check for Air Leaks in the Counterbalance System44
To Replace Slide Counterbalance Cylinder Air Seal44
Flywheel Brake45
Flywheel Brake Maintenance46
Die Cushion46
To Check for Air Leaks in the die Cushion System47
To Replace Rail Mounted die Cushion System Air Seals47
Die Cushion47
To Replace Trunion Mounted die Cushion System Air Seals48
Air Reservoir Tanks50
Safety Relief Valve50
Fusible Plugs50
Drain Cocks50
Air Leaks50
Servicing the Slide Assembly53
Gib Adjustment53
To Check Gib Clearance53
To Adjust Gib Clearance54
Slide Angularity and Parallelism54
To Check Slide Parallelism54
To Check Slide Vertical Angularity55
Calibration of the Shutheight Indicator56
To Check Calibration of the Shutheight Indicator57
To Calibrate the Shutheight Indicator57
Connection Cap Installation57
Slide Ball Box58
To Check Slide Ball Box Clearance58
To Adjust Slide Ball Box Clearance59
Crossbar Knockout Adjustment59
To Adjust Crossbar Knockout60
Cam Knockout60
To Adjust the Cam Knockout60
Slide Installation61
Factor Affecting Parallelism and Vertical Movement62
Factors Affecting Parallelism and Vertical Movement62
Servicing the Frame and Drive Assembly65
Relieving a Slide from a "Stuck on Bottom" Condition65
Using Full Line Air Pressure to Free a "Stuck on Bottom" Press65
Using the (Optional) Clutch Bumping Arrangement to Free a "Stuck on Bottom" Press (Flywheel Press Only65
Total Bearing Clearance66
To Check Total Bearing Clearance66
Individual Bearing Clearances67
To Check Individual Bearing Clearances67
Main Bearings and Connection Bearings69
Bushing Fitting Practice69
Split Main and Connection Bushings69
Press Application71
Tonnage71
Tonnage/Stroke Relationship72
Press Drives73
Punch Speeds77
Energy Capacity77
Inspection & Maintenance79
Periodic Cleaning79
Spare Parts List80
Press Inspection Check List & Maintenance Record81
Mechanical Press Parts82
Monthly Checks82
Semi-Annual Checks82
Pneumatic Components84
Weekly Checks84
Monthly Checks84
Weekly Checks86
Monthly Checks86
Electrical Equipment86
Weekly Checks88
Lubrication Equipment88
Monthly Checks88
Quarterly Checks88
Annual Checks88

Minster IOI - Page 2

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