
21
05
Installation
Manual 2006 Rev B p/n 2006
As such, it is recommended to check belt tension
monthly and make any manual adjustments found
necessary.
1.
Turn off and lock out power.
2.
Remove the belt guard fasteners (if equipped).
3. Remove the belt guard.
4.
Check and adjust the belt tension as
necessary. Tension should be 1/64 in.
deflection per inch of span (0.157 mm
deflection per centimeter of span) between
sheaves, with 8 – 10 lb (3.6 – 4.5 kg) force
applied at the center point of the top section of
belt.
5. Install the belt guard, making sure that all drive
components are free of contact with the guard.
6.
Install the belt guard fasteners that were
removed in step 2.
7.
Unlock the power and start the blower.
8. Resume normal operation.
V-Belt Troubleshooting
PRNBLEM
PNSSIBLE CAUSES
SNLUTINN
Belts slip (sidewalls
glazed)
Not enough tension
Replace belts; apply proper tension.
Drive squeals
Shock load
Apply proper tension.
Not enough arc of contact
Increase center distance.
Heavy starting load
Increase belt tension.
Belt(s) turned over
Broken cord caused by prying on sheave
Replace set of belts and install
correctly.
Overloaded drive
Redesign drive.
Impulse loads
Apply proper tension.
Misalignment of sheave and shaft
Re-align drive.
Worn sheave grooves
Replace sheaves.
Excessive belt vibration
Check drive design.
Check equipment for solid mounting.
Consider use of banded belts.
Mismatched belts
New belts installed with old belts
Replace belts in matched sets only.
Breakage of belt(s)
Shock loads
Apply proper tension; recheck drive.
Heavy starting loads
Apply proper tension; recheck drive.
Use compensator starting.
Belt pried over sheaves
Replace set of belts correctly.
Foreign objects in drives
Provide drive guard.
Содержание M-D Pneumatics PD Plus
Страница 6: ...iv Table of Contents Manual 2006 Rev B p n 2006 ...
Страница 60: ...54 Assembly Drawings Manual 2006 Rev B p n 2006 ASSEMBLY DRAWINGS Model 3200 Standard Seals Cutaway View ...
Страница 61: ...55 Assembly Drawings Manual 2006 Rev B p n 2006 Model 3200 Standard Seals Side and End Views ...
Страница 64: ...58 Assembly Drawings Manual 2006 Rev B p n 2006 Model 4000 Lip Labyrinth Side and End Views ...
Страница 78: ...72 Assembly Drawings Manual 2006 Rev B p n 2006 ...