INSPECT BELT TENSION AND ALIGNMENT (PM-Belt 01-S1)
TOOLS, MATERIALS AND TEST EQUIPMENT:
1.
2.
3.
4.
Mechanic’s tool kit
Tensioning gage
Straightedge
Shop towels
EQUIPMENT CONDITION: Shutdown
PROCEDURE:
WARNING: Equipment must be shutdown to avoid personnel injury or equipment
damage.
1.
Inspect belt tension and alignment as follows:
a.
LOCKOUT/TAGOUT equipment in accordance with ACS plant policies and
procedures and test LOCKOUT/TAGOUT.
b.
Remove belt guard.
NOTE:
c.
NOTE:
Belts should always be replaced in sets, even if only one belt is bad.
Inspect belt condition for:
1)
Sides of belt for fraying
2)
Bottom of belt for cracking
3)
Local discoloration caused by heat from chafing or rubbing
Acceptance Criteria: Apply 14 to 19 pounds (62 to 84 newtons) of force to
ultra V-belts and 7 to 11 pounds (31 to 49 newtons) of force to conventional
V-belts. The belts should deflect .016 inch per inch (.4mm per mm) of belt
span.
d.
Check belt tension using a tensioning gage. Adjust belt tension by sliding
motor/gearbox on slide base.
e.
Inspect belt sheaves for the following:
1
BELT 01-S1
1)
Improper alignment
2) Worn sheave walls
2.
3)
Cracks or missing pieces
4)
Missing and loose fasteners.
f.
Replace belt guard.
g.
Remove LOCKOUT/TAGOUT and return equipment to normal operation.
Record any discrepancies or unacceptable conditions.
2
BELT 01-S1