National Vacuum Equipment 5314 Owner's Manual & Operating Instructions - Belt Drive
5314 Blower | 19
www.natvac.com | 800.253.5500
·
DO NOT USE A HAMMER TO SLIDE THE COUPLERS ONTO
THE SHAFT AS THIS MAY RESULT IN BLOWER DAMAGE
LoveJoy Coupler - Please see the LoveJoy website
www.lovejoy-inc.com
for
details on the alignment.
·
Failure to properly align the couplers can cause premature
wear of the blower bearings and coupler sleeve.
·
Couplers must be guarded to prevent entanglement.
BELT DRIVE
We do not recommend the use of cogged, synchronous or timing belts.
The driving pulley from the prime mover must be mounted on the intake
side of the blower to prevent unloading of the blower bearings.
Use a narrow hub sheave and insure that the inner hub face is not more than
1/4” from the face of the gearbox. Be sure to also use an adjustable belt
tensioning system to allow compensation for belt wear.
·
Excessive belt tension could damage the blower and prime
mover.
·
Belts and pulleys must be guarded to prevent entanglement.
Use matched sets of V-belts to insure uniform torque transmission. If a belt
goes out, replace the whole set.
DRIVE SHAFT
U-Joint operating angles at each end of the shaft should always be at least 1
°
to prevent yoke bearing failure, but do not exceed the manufacturers maxi-
mum recommended angles for the operating RPM.
U-Joint operating angles on each end of a drive shaft should always be equal
within 1
° of each other to cancel an angle vibration.
For more driveline installation detail, please see the Dana-Spicer Driveline
Installation Document J3311-1-DSSP available free from
http://www2.dana.
com/pdf/J3311-1-DSSP.pdf
.
·
Use a drive shaft loop to catch shaft in the event of failure.
·
It is suggested that overload protection be used on the blower
driveline.
HYDRAULIC DRIVE
The blower can be driven with an appropriately sized hydraulic system utiliz-
ing a hydraulic motor with an SAE C, 4-bolt or 2-bolt flange by purchasing a
hydraulic mount (purchased separately) and appropriate couplers.
PTO Drive
PTO’s must be properly sized to drive the blower. For more information on
driving blowers with PTO’s, please see the Chelsea Blower Torque Guide Bul-
letin HY25-0075-B1-US available at
www.parker.com
.
·
Improper use of “Hot Shift” (i.e. clutch type, constant mesh)
PTO’s can result in severe damage to the blower driveline and
blower. Take extra precautions to operate PTO’s within the
manufacturer’s recommendations
PLUMBING AND PIPING
Do not hang plumbing from blower flanges. Use isolating flanges or isolat-
ing hose to couple blower to piping to prevent dead weight from hanging
off blower and to allow for thermal expansion. Failure to do so may result in
rotor contact with housing. Use only clean piping insuring it is free of dirt,
scale, cuttings, weld spatter, and foreign materials of any kind.
The intake and exhaust system can be plumbed with 6” hose. The ballast
system should be plumbed using 6” hose minimum. Be sure to locate the
ballast inlet away from heat, debris and fluid sources as exposure to these
may result in damage to the blower.