Timberwolf TW 13/75G - V-Belt Tensioning Table; Method; Tips on Belt Tightening

TW 13/75G
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V-BELT TENSIONING TABLE
C190-0187 25.01.2019 Rev: 1.0
METHOD:
Set the deflection distance on the lower scale of the tension gauge so that the underside of the 'o'-ring equals the 1
'h' value given in the table.
Ensure that the deflection force scale is zero'd by pushing the upper 'o'-ring all the way down. 2
Place the tension gauge in the centre of the belt span as shown in the diagram. 3
Press downwards on the rubber buffer, deflecting the belt until the underside of the lower 'o'-ring is level with 4
the belt behind (use a straight edge if there is only 1 belt).
Take the reading from the deflection scale of the tension meter (read at the lower edge of the 'o'-ring) & compare 5
this value with that given in the table.
Tighten or loosen belts as required following procedure given in this operator's manual. 6
Tension gauges are available from Timberwolf spares, quong part no. 18091
TIPS ON BELT TIGHTENING:
There will normally be a rapid drop in tension during •
the run-in period for new belts. When new belts are
fitted, check the tension every 2-3 hours & adjust until
the tension remains constant.
The best tension for V-belt drives is the lowest tension •
at which the belts do not slip or ratchet under the
highest load condition.
Too much tension shortens belt & bearing life. •
Too little tension will affect the performance of your •
machine especially in respect of no-stress devices.
Ensure that belt drives are kept free of any foreign •
materials.
If a belt slips - tighten it! •
Rotor Pulley
Engine Pulley
TW 13/75G Rotor Belts
Belt Mffr / Type Gates Super HC-MN
Belt Pitch Designaon SPA
Belt Length in mm 900
Belt Deflecon in mm = h 1.9
Force Reading (Kg)
New belt 1.4 - 1.5
Used Belt 1.2 - 1.3