TM 55-4920-227-15
HP (Continuous)-----------------25
HP (intermittent)------------------35
Volts ----------------------------------220/440
Cycle ---------------------------------60
Phase --------------------------------3 phase
Pole -----------------------------------6
Frame --------------------------------54-404-51
Code----------------------------------F
Gear ratio:
Low speed head----------2.72:1
High speed head ---------4.95:1
Revolutions per minute
Figure 2. Manufacturer's identification plate.
(rpm):
Low speed head----------6050/1000
High speed head ---------11000/1830
c. Blower.
Manufacturer ----------------------Clarage Fan Company
Type ----------------------------------0
Size -----------------------------------308
Rpm-----------------------------------3500
CFM (cubic feet per minute)-230
Rotation -----------------------------Clockwise, from drive side
d. Blower Motor.
Manufacturer ----------------------U.S. Electrical Motors, Inc.
Type (uninclosed) - -------------SC Tropical
Design -------------------------------B
Frame --------------------------------66
HP -------------------------------------1
Phase --------------------------------3
Figure 3. Motor starter identification plate.
Cycle ---------------------------------60
Volt ------------------------------------220/440
Rpm-----------------------------------3600
Rating --------------------------------40.C
e. Motor Starter.
Manufacturer ----------------------Federal Pacific Electric Co.
Bulletin -------------------------------F 3300
Type ----------------------------------D
Volts ----------------------------------220/440
Form ----------------------------------1
Cycle ---------------------------------60
Wiring Diagram -------------------C-F 3300-21
Figure 4. Varidrive motor identification plate.
Coil ------------------------------------110V, 60 cy.
Phase --------------------------------3
5. Difference in Models
This manual covers only the United Manufacturing
Manufacturer ----------------------Weston Electrical
Company, P/N 7199. No known unit differences exist for
Instrument Corp.
the model covered by this manual.
Model ---------------------------------758
Type ----------------------------------JB-2
6. Tabulated Data
Number ------------------------------19972
a. General.
Maximum rpm ---------------------5000
Manufacturer ----------------------United Manufacturing Co.
Generated volts at 1000 ------10 volts
Part No.------------------------------7199
rpm.
b. Varidrive Motor.
Instructions -------------------------F-2270
Manufacturer ----------------------U.S. Electrical Motors, Inc.
Type ----------------------------------VEUGSDT
AGO 6729A
4