G2030-II-S
Apr ‘19
- 11
Maintenance Procedures (cont’d)
Model Number: Unit HP:
Maximum Belt Tension
Pressure: Hertz (New / Old)*
Pound Force / Inch Deflection**
G20 (TD) 20
120 psig (8.3 bar) 64 / 56 11.0 lb / 0.51"
145 psig (10 bar) 62 / 55
11.0 lb / 0.52"
G25 (TD) 25
120 psig (8.3 bar) 69 / 61
11.0 lb / 0.51"
145 psig (10 bar) 67 / 59
11.0 lb / 0.52"
G30 (TD) 30
120 psig (8.3 bar) 73 / 64
11.0 lb / 0.46"
145 psig (10 bar) 74 / 65s
11.0 lb / 0.46"
Tensioning the Drive Belts.
The tightening and loosening of the Drive Belts is done by way of moving the Air End vertically either towards or
away from the Motor. To adjust the Belt tension, simply:
1. loosen the (4) Slider Bolts holding the Air End in place
2. tighten (turn clock-wise) the Adjusting Nut on the Top of the Belt Tensioner Screw
3. re-torque the (4) Slider Bolts to 150 ft lbs (203.4 Nm)
Belt tensions for both new and older Belts are noted below.
Slider Bolts
(2 of 4)
Motor
Pulley
Air End
Pulley
Adjusting Nut
Notes: * Belt tension data for new Belts having run for approx. 10 hours.
** Pound Force and Inch Deflection figures are for new Belts only.
Drive
Belts
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