RING-RETAINER 1M3506 - Caterpillar

Illustration 1 g00553157
R5.5 Series - Side View (1) Commutator. (2) Through bolts. (3) Brushes. (4) Battery terminal nut. (5) Ground terminal nut. (6) Drive housing screws. (7) Switch terminal screw. (8) Solenoid cover bolts.
Illustration 2 g00553165
R5.5 Series - End View (2) Through bolts. (4) Battery terminal nut. (5) Ground terminal nut. (7) Switch terminal screw. (8) Solenoid cover bolts. (9) Motor terminal nut.
Table 1
Starting Motor Coverage    
Part No.     Consist No.    
RA1.2 Series (12V)    
160-4648     None    
R1.4 Series (12V)    
3E-5128     None    
3E-5129 (1)     None    
3T-5128     None    
3T-5649 (1)     None    
3T-8209 (1)     None    
3T-8210 (1)     None    
3T-8211 (1)     None    
6T-7002 (1)     None    
6T-7004 (1)     None    
7X-1057 (1)     None    
R2.0 Series (12V)    
3E-5127     None    
3E-5130 (1)     None    
3T-8208 (1)     None    
6T-7003 (1)     None    
144-9966     None    
R2.2 Series (12V)    
155-9849     None    
R2.5 Series (12V)    
3E-0079 (1)     None    
7C-2264 (1)     8T-8619    
7C-4622 (1)     None    
6T-7001 (1)     None    
143-0535 (1)     None    
143-0536 (1)     None    
143-0537     None    
R2.7 Series (12V)    
3E-7905 (1)     None    
6V-0492 (1)     None    
143-0538     None    
144-9955     None    
R3.0 Series (12V)    
3E-5382     None    
9W-2946 (1)     None    
105-3133     None    
R4.5 Series (24V)    
8C-5580 (1)     None    
100-6929 (1)     None    
143-0540     None    
143-0541     None    
R5.5 Series (24V)    
3E-5381     None    
9W-3748 (1)     None    
9X-1301     None    
105-3134 (1)     None    
111-9861     None    
( 1 ) Discontinued, not serviced, or pending discontinued. Part numbers for the electric starting motors are shown in table 1. The Consist Number is required when you are ordering various electric starting motors. The 9W-3748 Electric Starting Motor and 6T-7003 Electric Starting Motor are referenced in this module.
Table 2
STARTING MOTOR SPECIFICATIONS    
Series    RA1.2    R1.4    R2.0    R2.2    
RATED VOLTAGE     12V     12V     12V     12V    
SOLENOID:    
Pull-In Winding Resistance     .33Ω     .36Ω     .36Ω     .36Ω    
Hold-In Winding Resistance     .88Ω     .85Ω     .85Ω     .95Ω    
Pull-In Winding Current     36.4A at 12V     33.3A at 12V     33.3A at 12V     33.3A at 12V    
Hold-In Winding Current     13.6A at 12V     14.1A at 12V     14.1A at 12V     12.6A at 12V    
Starting Motor No Load Test:    
Voltage     11.5V     11.5V     11.5V     11.5V    
Current (max)     90A     90A     120A     120A    
Speed (min)     3000rpm     3500rpm     4000rpm     4000rpm    
Starting Motor Load Test:    
Voltage     8.0V     8.5V     7.5V     7.5V    
Current (max)     280A     350A     500A