BEARING 1B4109 - Caterpillar

Table 1
GENERATOR START-UP CHECKLIST
RATING INFORMATION
Engine Serial Number: ___________________________________ Arrangement Number: ___________________
Generator Serial Number: _________________________________ Arrangement Number: ___________________
GENERATOR NAME PLATE INFORMATION
Voltage: ___________________ Package (prime, continuous, standby): _________________
Amperage: _________________ Kilowatts: ________________________________________
Storage Location:
Main Stator Megohmmeter Reading: Before Storage: After Storage:
Generator dried for 24 hours prior to start-up? (Y/N) Drying method:
SPACE HEATERS Yes No Comments
Space heaters operating properly?
Space heater operated 48 hours. before start-up?
MEGOHMMETER TEST (SEHS9124) 30 sec. reading 60 sec. reading 30 sec. corrected 60 sec. corrected Ambient temp. Comments
Beginning of Storage Main Stator
Main Rotor
Exciter Stator
Exciter Rotor
PMG Stator
Start-up Main Stator
Main Rotor
Exciter Stator
Exciter Rotor
PMG Stator
No Load EM10 Voltage Amps Comments
E- to E+ DC
0 to 220 or 380(1) AC
Self-Excited
X1 to X2 AC
Permanent Magnet Excited
X1 to X2 AC
Permanent Magnet Excited
X1 to Z2 AC
Permanent Magnet Excited
X2 to Z2 AC
AREP
X1 to X2 AC
AREP
Z1 to Z2 AC
Three-phase Sensing Voltage Amps Comments
U
0 to 230 or 400(1) AC
V
0 to 230 or 400(1) AC
W
0 to 230 or 400(1) AC
Full Load EM10 Voltage Amps Comments
E- to E+ AC
0 to 230 or 400(1) AC
Self-Excited
X1 to X2 AC
Permanent Magnet Excited
X1 to X2 AC
Permanent Magnet Excited
X1 to Z2 AC
Permanent Magnet Excited
X2 to Z2 AC
AREP
X1 to X2 AC
AREP
Z1 to Z2 AC
Three-phase Sensing Voltage Amps Comments
U
0 to 230 or 400(1) AC
V
0 to 230 or 400(1) AC
W
0 to 230 or 400(1) AC
(1) This will depend on the configuration of the windings. For more information, refer to the schematic for the generator.
Table 2
GENERATOR START-UP CHECKLIST (CONT.)
ELECTRICAL Yes No Comments
Unit properly grounded
Check diodes
Over current protection
Over voltage protection
Check for loose wiring
Adjust voltage
Adjust frequency
MECHANICAL Data Comments
Bearing temperature readings at full load Front __________ Rear ___________
Stator temperature readings at full load A0 _______ B0 _______ C0 _______
Air gap on main stator Top __________ Bottom __________
Air gap on exciter stator Top __________ Bottom __________
Air gap of PMG Top __________ Bottom __________
Ambient air to generator at full load Temperature ____________________
Supplier air opening to generator Size of Opening _________________
SWITCH GEAR/PARALLEL OPERATION
Manufacturer:
Setting 1 Setting 2 Setting 3 Comments
Circuit breaker type
Overload setting
Reverse power relay
VAR/PF Controller
INSTALLATION & LOAD INFORMATION
Neutral grounding system UPS
Enclosure type - Size
Motor: Other loads:
- Total SKVA - Lighting
- Total HP - Computers
- Welding
- Non-linear
- Other
FULL LOAD DATA
Voltage Amps KW KVARS P.F.