TP-6519 8/1714 Section 1 Specifications
1.5 Alternator Specifications
Alternator Specification 17/18RES/RESL/RESNT 18TRES
Frequency Hz 50/60 50
Phase Single-Phase Three-Phase
Number of leads 4 12
Excitation method Static Excited
Voltage regulator type Digital
Coupling type Direct
Insulation (rotor and stator) Epoxy varnish, vacuum impregnated
Class 180 (H)
Winding material Copper
Bearing, number and type 1, Sealed Ball
Circuit protection
Controller 10 amps
Aux. winding 20 amps
Generator AC output Dependent on voltage configuration
Rotor resistance, ohms, cold 5.2 5.2
Stator resistance, ohms,* cold
Single-Phase Leads 1-2, 3-4 0.06 N/A
Three-Phase Leads 1-4, 2-5, 3-6, 7-10, 8-11, 9-12 N/A 0.10
11-44 0.13 N/A
55-66 0.60 0.19
Stator output voltage with separately excited rotor using 12-volt
battery, minimum
Leads: 1-2, 3-4 105 V N/A
Leads: 1-4, 2-5, 3-6, 7-10, 8-11, 9-12 N/A 115 V
11-44 210 V N/A
55-66 142 V 174 V
Rotor field voltage/current readings at rated output voltage, hot
No load 19 V/3.2 A 22 V/3.6 A
Full load 48 V/ 7.2 A 88 V/10.5 A
Brush length, new 19.05 mm (0.75 in.)
* Most ohmmeters do not give accurate readings when measuring less than 1 ohm. The stator can be considered good if a low resistance
reading (continuity) is obtained and there is no evidence of shorted windings (discoloration). Do not confuse a low resistance reading with
a reading indicating a shorted winding.
1.6 Torque Specifications
Torque Specifications Nm (ft. lb.)
Alternator overbolts 7(5)
Alternator thrubolt 53 (39)
Generator adapter screws 40 (28)
Muffler flange bolts 24 (17.7)
Oil filter
3/4to1turnafter
gasket contact
Spark plug 24.4--29.8 (18--22)
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