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Summary of Contents for 25PTOC-3/F

Page 1: ...parts moving partsi a i d generator output all can seriously injure the generator operator The operator must use caution and remain alert when using this generator 9 Provide safety guards for all dri...

Page 2: ...to the load Installation FOUNDATION MOUNTING Mount the generator on a foundation if it is to be used as a leave in standby power source When planning a new foundation consider ihe fol lowing points S...

Page 3: ...ngle phase electric motors require more starting current than running current and starting currents vary reatly between differenttypes of motors Capacitor art motor starting currents are 4 to 4 112 ti...

Page 4: ...under load speed governor it mayautomatically readjust the throttle as the load changes and keep the gen erator output at 240V However some governors are not sensitiveenough to maintain240V output und...

Page 5: ...AND WlLL ISOLATE THE COM MERCIAL POWER FROMTHE GENERATOR WHEN CAUTION When making standby service hook up THE GENERATOR IS OPERATING SEE FIGURE 6 make sure load to be transferred does not exceed gener...

Page 6: ...check plug 3 Remove the oil drain plug Drain the oil into a clean oil resistant container one quart or more capacity Check the oil for metal Fine metal dust in the oil does not indicate trouble but m...

Page 7: ...ce If not i e if meter indi cates infinite resistance part of armature wind ings are open and armature should be replaced 4 Check for open between slip rings No s2 and 3 in same manner as you did betw...

Page 8: ...denser is shorted stop the generator disconnect the lead wire from the brush holder to which the condenser is connected start the generator and check the output If the gen erator then provides power t...

Page 9: ...C 0 f E 2 cn 0 C L 5 I z 2 3 0 i i l...

Page 10: ...Figure 13 Model...

Page 11: ...Oil seal Bearing Retainer plate Gasket Spacer Piniongear Key Lockwasher 1 1 4 int tooth Nut 1 1 4 12 Armature assembly lessbearings Bearing Fieldcoil Fieldcoil Poleshoe Poleshoe retainer Fieldshell a...

Page 12: ...Egure 15 Model...

Page 13: ...pacer Piniongear Key Lockwasher 1 114int tooth Nut 1 114 12 Armature assernbly less bearings Bearing Fieldcoil Fieldcoil Poleshoe Poleshoe retainer Fieldshell and brkt BrushA C 3 8x3 8 Brush Q 114x3 8...

Page 14: ...hold down studs 3 Universal joints in coupling shaft worn or dry 4 Defective bearings 1 Poor ventilation 2 Generator overloaded 3 Shorted turns in field or armature 1 Loose plug in gear case 2 Defecti...

Page 15: ...I E F1 2 t Record REPLACEMENTCOMPONENTSREQUIRED I Service DATE MAINTENANCEPERFORMED I L...

Page 16: ...GES OR EXPENSES IS EXCLUDED Some states do not allow limitations on the duration of an implied warranty and some states do not allow the exclusion or limitation of incidental or consequential damages...

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