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EZ ALIGN

 RED

PRECISION LASER ALIGNMENT OPERATING INSTRUCTIONS

RECOMMENDED PULLEY 

ALIGNMENT VALUES

The standard limit for V-belt drive alignment is 0.5 

degrees, and 0.25 degrees for synchronous drives. 

Most major belt and pulley manufacturers specify 

these values. Pulley alignment can be set closer 

than this if the alignment procedure is carefully 

followed. The following table converts degrees of 

misalignment to mils/inch and mm/100 (of pulley 

diameter) of misalignment between the projected 

planes of the pulley faces.

ANGLE OF 

MISALIGNMENT

(DEGREES)

MM / 100MM

MM / INCH

0.1

0.18

1.75

0.2

0.35

3.49

0.3

0.52

5.24

0.4

0.70

6.98

0.5

0.87

8.73

0.6

1.05

10.47

0.7

1.22

12.22

0.8

1.40

13.96

0.9

1.57

15.71

1.0

1.74

17.45

Bold

 = within recommended limits for V-belt drives

Note that the values between 0.1 and 0.5 fall within 

recommended misalignment limits for V-belt drives.

STATEMENT OF LIMITED WARRANTY

Gates Corporation warrants the Gates EZ Align

  to be free of defects in 

material and workmanship for a period of two (2) years. This twenty four (24) 

month warranty period begins when the unit is received by the purchaser.

Gates Corporation will repair or replace, at its option, any defective part of 

components of which notice has been given during the warranty period.

 

Travel 

and per diem expenses, if required, to and from the place where repairs are 

made, will be charged to the purchaser at the prevailing rates.

Customers should send units to Gates Corporation (use address on previous 

page) for warranty repairs; freight prepaid.

Any evidence of negligent, abnormal use, or accident with exception of the 

previously stated warranty or an attempt to repair equipment by other factory 

authorized personnel using Gates Corporation certified or recommended 

parts, automatically voids the warranty.

Special precautions have been taken to assure proper calibration; however, 

calibration is not covered by this warranty. Calibration maintenance is the 

responsibility of the user.

The foregoing states the entire liability of Gates Corporation regarding the 

purchase and use of its equipment. Gates Corporation will not be held 

responsible for any consequential loss or damage of any kind.

This warranty is in lieu of all other warranties, except as set forth above, 

including any implied warranty merchantability or fitness for a particular 

purpose, are hereby disclaimed.

 

This warranty is in lieu of all other warranties, 

expressed or implied.

Summary of Contents for EZ ALIGN RED 7420-1000

Page 1: ...EZ ALIGN RED PRECISION LASER ALIGNMENT OPERATING INSTRUCTIONS PART NUMBER 7420 1000...

Page 2: ...methods of pulley alignment such as using a straight edge string line or the human eye all techniques that lend themselves to error In today s demanding maintenance arena where tighter specifications...

Page 3: ...t Battery Thumb Screw Hole Location Rocker Switch Laser Off Flashlight 2 AAA Alkaline Batteries INTENDED USE Gates EZ Align is designed for aligning belt drives in industrial environments This simple...

Page 4: ...old the Gates EZ Align firmly in place GETTING STARTED Mount the units on the pulley faces to be aligned The reflector should be mounted onto the pulley to be moved or adjusted while the laser transmi...

Page 5: ...any pulley face quickly and easily NONFERROUS PULLEYS AND SPROCKETS MOUNTING When mounting Gates EZ Align to a nonferrous pulley or sprocket use the optional QUICK GRIP Micro One Handed Bar Clamp Sta...

Page 6: ...ector to establish the amount of offset The marks are in 1 8 inch increments Alignment processes should be carried out in an area protected from bright sunlight or in a shaded area to allow easy viewi...

Page 7: ...ine and the corresponding reflected laser line coincide with the reference lines on the reflector and laser transmitter respectively Good Alignment IMPORTANCE OF GOOD PULLEY ALIGNMENT Good pulley alig...

Page 8: ...equipment MUST be locked out and tagged out Worn belts or pulleys and other components should be replaced before proceeding with pulley alignment DRIVE BELTS The condition of the worn belt is a good...

Page 9: ...ed half a turn and checked again Since a string can bend around corners it is not easy differentiating between axial offset and horizontal angularity when only three point contact is made A straighted...

Page 10: ...ncorrect belt tension as well as pulley misalignment adversely affects belt drive reliability and efficiency After the pulleys have been aligned it is very important to tension the belts to manufactur...

Page 11: ...equipment have been properly stowed and all guards have been securely replaced MAINTENANCE Gates EZ Align is designed with durable aluminum housing designed to withhold harsh environments However as...

Page 12: ...rchaser Gates Corporation will repair or replace at its option any defective part of components of which notice has been given during the warranty period Travel and per diem expenses if required to an...

Page 13: ...Battery Type 2 AAA Alkaline Batteries Operating Temp 15 F 9 C To 110 F 43 C Storage Temp 4 F 20 C To 140 F 60 C Mounting Magnetic Weight 17 0 Oz 483 g Dimensions 1 3 33mm W x 1 3 33mm D x 8 203mm H H...

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