TP-6735 7/1714 Section 1 Specifications
1.5 Alternator Specifications
Alternator Specification 14RES/RESL 20RES/RESL
Frequency Hz 50/60 50/60
Phase Single-Phase Single-Phase
Number of leads 4 4
Excitation method Static Excited Static Excited
Voltage regulator type Digital Digital
Coupling type Direct Direct
Insulation (rotor and stator)
Epoxy varnish, vacuum impregnated
Class 180 (H)
Winding material Copper Copper
Bearing, number and type 1, Sealed Ball 1, Sealed Ball
Circuit protection
Battery charger inline fuse F1 10 amps 10 amps
Fuel solenoid/starter relay/throttle control fuse F2 7.5 amps 7.5 amps
Controller power, fuse F3 3amps 3amps
Aux. winding mini-breaker 20 amps 20 amps
Generator AC output line circuit breaker 70 amps 100 or 125 amps
Rotor resistance, ohms, cold 5.2 5.6
Stator resistance, ohms,* cold
Single-Phase Leads 1-2, 3-4 0.06 0.02
11-44 0.13 0.04
55-66 0.60 0.44
Stator output voltage with separately excited rotor using 12-volt
battery, minimum
Leads: 1-2, 3-4 105 V 88 V
11-44 210 V 176 V
55-66 142 V 117 V
Rotor field voltage/current readings at rated output voltage, hot
No load 19 V/3.2 A 19 V/3.9 A
Full load 48 V/7.2 A 53 V/7.4 A
Brush length, new 19.05 mm (0.75 in.) 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.)
14/20RES/RESL
Alternator overbolts 15 (11)
Alternator thrubolt 85 (63)
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)
* Not applicable to the 20RES/RESL.
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