RoboVent PFX Series, Owner'S Manual

Page: 47 / 52

ROBOVENT • PFX SERIES OWNER’S MANUAL 47
SEVERITY HOURS OF MAX AMBIENT ATMOSPHERIC INTERVAL
OF SERVICE OPERATION TEMP CONTAMINATION MULTIPLIER
PER DAY
Standard 8 104 F (40 C) Clean, little corrosion 1
Severe 16 + 122 F (50 C) Moderate dirt, corrosion 0.5
Extreme 16 + >122F (>50 C) (NOTE 1) Severe dirt, abrasive dust, corrosion 0.1
Low Temp -22 F (-30 C) (NOTE 2) 1
Note 1: Use high temp grease
Note 2: Use low temp grease
Service Types
NEMA (IEC) FRAME SIZE MOTOR HP 3600 RPM 1800 RPM 1200 RPM 900 RPM
Up to 125 (132) 5 HP 5500 hours 12000 hours 18000 hours 22000 hours
254 to 286 (160-180) 25 HP-30 HP 3600 hours 9500 hours 15000 hours 18000 hours
324 to 365 (200-225) 40 HP-50 HP 2200 hours 7400 hours 12000 hours 15000 hours
404 to 5000 (280-315) 100 HP-125 HP 2200 hours 3500 hours 7400 hours 10500 hours
Note: For vertically mounted motors and roller bearings, divide the relubrication interval by 2.
Relubrication Time Interval
NEMA (IEC) FRAME SIZE MOTOR HP LARGEST BEARING OD D MM WIDTH B MM VOLUME OF
IN SIZE CATEGORY GREASE
Up to 215 (132) 5 HP-15 HP 6307 80 21 4.5 grams
254 to 286 (160 - 180) 25 HP-30 HP 6311 120 29 9 grams
324 to 365 (200 - 225) 40 HP 6313 140 33 12 grams
404 to 5000 (280 - 315) 100 HP-125 HP NU322 240 50 31.5 grams
Relubrication Amounts
SECTION 1000
Motor Greasing Guide