iv
LIST OF ILLUSTRATIONS (Cont.)
FIGURE
TITLE
Page No.
3-12
Removing Strain Gauge Load Cell ..................................................................... 3-14
3-13
InCal Mechanism Identification ........................................................................... 3-15
3-14
Motor Mounting Screws Location ....................................................................... 3-15
3-15
Disengauge Timing Belt ..................................................................................... 3-16
3-16
Removing Top Gear ........................................................................................... 3-16
3-17
Top Gear Removed ............................................................................................ 3-16
3-18
Top Gear Alignment ........................................................................................... 3-16
3-19
Motor Installation ................................................................................................ 3-17
3-20
Motor Coupler Position ....................................................................................... 3-17
3-21
Coupler Shaft Rotation ....................................................................................... 3-17
3-22
MFR Load Cell Components .............................................................................. 3-18
3-23
Removing MFR Load Cell .................................................................................. 3-19
3-24
InCal Motor Location .......................................................................................... 3-20
3-25
InCal Motor Removal .......................................................................................... 3-20
3-26
Checking Shaft Rotation on InCal Mechanism ................................................... 3-21
3-27
Motor Coupler ..................................................................................................... 3-21
3-28
Motor Shaft in CCW Position .............................................................................. 3-21
3-29
Motor Shaft in CW Position ................................................................................. 3-21
3-30
InCal Mechanism Mounting Screws ................................................................... 3-22
3-31
Removing InCal Mechanism .............................................................................. 3-22
3-32
InCal Mechanism Alignment ............................................................................... 3-23
3-33
Centering InCal Weight ...................................................................................... 3-23
3-34
Removing Position Sensor Assembly ................................................................ 3-24
3-35
Ratio Beam Alignment ........................................................................................ 3-24
3-36
Base plate Removal ........................................................................................... 3-25
3-37
Load Cell Mounting Components ....................................................................... 3-25
3-38
Load Cell Alignment to Base Plate ..................................................................... 3-26
3-39
Temperature Sensor Board Unsoldering Location ............................................. 3-26
3-40
Load Cell PC Board Item Locations ................................................................... 3-27
3-41
Load Cell PC Board Removed from Load Cell ................................................... 3-27
3-42
Contact Board Location ...................................................................................... 3-28
3-43
Close-Up of Mounting ......................................................................................... 3-28
3-44
Ratio Beam and Weight Arm Components ......................................................... 3-28
3-45
Centering Pins Installation.................................................................................. 3-29
3-46
Loosening Ratio Beam Nuts ............................................................................... 3-29
3-47
Ratio Beam Screws and Washers Removed...................................................... 3-30
3-48
Loosening InCal Weight Arm Nuts ..................................................................... 3-30
3-49
InCal Weight Arm Screws and Washers Removed ............................................ 3-31
3-50
InCal Weight Arm Removal ................................................................................ 3-31
3-51
InCal weight Arm Removed ................................................................................ 3-31
3-52
Aluminum Sleeves Removed ............................................................................. 3-32
3-53
Centering Pins Removed ................................................................................... 3-32
3-54
Vertical Adjustment Screw Positioning ............................................................... 3-32
Summary of Contents for AV114C
Page 2: ......
Page 4: ......
Page 10: ...vi...
Page 62: ...3 38 CHAPTER 3 REPAIR PROCEDURES...
Page 107: ......