Ce-niehoff-co C653/C653A/C625 Troubleshooting Guides Bedienungsanleitung PDF herunterladen

Table of Contents

Section A: Wiring Diagram ................................. 2 – 3

Section B: Basic Troubleshooting .............................4

Section C: A2-146/A2-153 Troubleshooting ..............5

Section D: A2-214 Troubleshooting .................... 6 – 9

Section E: C653 w/A2-338 Troubleshooting ... 10 – 11

Page 1

TG13G

Hazard Deﬁ nitions

These terms are used to bring attention to presence of hazards of

various risk levels or to important information concerning product

life.

Indicates presence of hazards that

will or can cause minor personal

injury or property damage.

Indicates special instructions on

installation, operation or mainte-

nance that are important but not

related to personal injury hazards.

CAUTION

NOTICE

C653/C653A and C625 Alternators

Troubleshooting Guide

C.E. Niehoff & Co.

Battery Conditions

Until temperatures of electrical

system components stabilize, these

conditions may be observed during

cold-start voltage tests.

• Maintenance/Low Maintenance Battery

— Immediately after engine starts, system volts are

lower than regulator setpoint, amps are medium.

— 3–5 minutes into charge cycle, system volts

increase, amps decrease.

— 5–10 minutes into charge cycle, system volts

increase to, or near, regulator setpoint and amps

decrease to a minimum.

— Low maintenance battery has same characteristics

with slightly longer recharge times.

• Maintenance-free Battery

— Immediately after engine starts, system volts are

lower than regulator setpoint, low charging amps.

— Once charge cycle begins, low volts and low amps

are still present.

— After alternator energizes, voltage will increase

several tenths. Amps will increase gradually, then

quickly, to medium to high amps.

— F i n a l l y, v o l t s w i l l i nc r e a s e t o s e t p o i n t a n d a m p s w i l l

decrease.

The time it takes to reach optimum voltage and amper-

age will vary with engine speed, load, and ambient

temperature.

• High-cycle Maintenance-free Battery

These batteries respond better than standard mainte-

nance-free. Charge acceptance of these batteries may

display characteristics similar to maintenance batteries.

• AGM (Absorbed Glass Mat) Maintenance-free Battery

These dry-cell batteries respond better than standard

maintenance-free. If battery state of charge drops to

75% or less, batteries should be recharged to 95% or

higher separately from the engine’s charging system to

avoid damaging charging system components and to

provide best overall performance. Charge acceptance of

these batteries may display

characteristics similar to

maintenance batteries.

NOTICE

Battery Charge Volt and Amp Values

Volt and amp levels fluctuate depending on the battery state

of charge. If batteries are in a state of discharge—as after

extended cranking time to start the engine—system volts

will measure lower than the regulator setpoint after the

engine is restarted and system amps will measure higher.

This is a normal condition for the charging system; the

greater the battery discharge level, the lower the system

volts and the higher the system amps. The volt and amp

readings will change as batteries recover and become fully

charged: system volts will increase to regulator setpoint

and system amps will decrease to low level (depending on

other loads).

• Low Amps: Minimum or lowest charging system amp

value required to maintain battery state of charge,

obtained when testing the charging system with a fully

charged battery and no other loads applied. This value

will vary with battery type.

• Medium Amps: System amps value which can cause

the battery temperature to rise above adequate charging

temperature within 4-8 hours of charge time. To pre-

vent battery damage, the charge amps should be

reduced when battery temperature rises. Check battery

manufacturer’s recommendations for proper charge

amp rates.

• High Amps: System amps value which can cause

the battery temperature to rise above adequate charging

temperature within 2-3 hours of charge time. To pre-

vent battery damage, the charge amps should be

reduced when battery temperature rises. Check battery

manufacturer’s recommendations for proper charge

amp rates.

• Battery Voltage: Steady-state voltage value as mea-

sured with battery in open circuit with no battery load.

This value relates to battery state of charge.

• Charge Voltage: Voltage value obtained when the

charging system is operating. This value will be higher

than battery voltage and must never exceed the regula-

tor voltage setpoint.

• B+ Voltage: Voltage value obtained when measuring

voltage at battery positive terminal or alternator B+

terminal.

• Surface Charge: Higher than normal battery voltage

occurring when the battery is disconnected from

battery charger. The surface charge must be removed

to determine true battery voltage and state of charge.

• Significant Magnetism: Change in strength or inten-

sity of a magnetic field present in alternator rotor shaft

when the field coil is energized. The magnetic field

strength when the field coil is energized should feel

stronger than when the field is not energized.

• Voltage Droop or Sag: Normal condition occurring

when the load demand on alternator is greater than

rated alternator output at given rotor shaft RPM.

1 2 3 4 5 6 ... 10 11

Inhaltsverzeichnis

Seite 1 - C.E. Niehoff & Co

Table of ContentsSection A: Wiring Diagram ... 2 – 3 Section B: Basic Troubleshooting ...4 Sec

Seite 2 - Section A: Wiring Diagrams

Page 10TG13GSection E: C653 w/A2-338 Advanced TroubleshootingA2-338 RegulatorDescription and OperationA2-338 regulator is attached directly to the out

Seite 3

Page 11TG13GSelf-energized alternator may have lost magnetism. Touch steel tool to shaft to detect any magnetism. Is shaft magnetized?Momentarily (1 s

Seite 4

Page 2TG13GSection A: Wiring DiagramsB– terminalstudP terminal IGN terminalFigure 1 — C625 Alternator Terminals B+ terminal studD+ terminalFigure

Seite 5

Page 3TG13GFigure 4 — C653/C653A Alternators with A2-146 or A2-153 or A2-338 RegulatorFigure 5 — C653/C653A and C625 Alternators with A2-214 Regulator

Seite 6 - A2-214 Regulator

Page 4TG13GSYMPTOM ACTIONTABLE 1 – System ConditionsCheck: loose drive belt; low battery state of charge.Check: current load on system is g

Seite 7 - Quick Diagnostic

Page 5TG13GSection C: A2-146/A2-153 Advanced TroubleshootingA2-146/A2-153 REGULATOR – THIS PAGE ONLY Self-energized alternator may have lost magnetism

Seite 8

Page 6TG13GA2-214 Regulator DESCRIPTION AND OPERATIONA2-214 regulator is either attached directly to the outside of alternator or remote-mounted.Main

Seite 9 -

Page 7TG13GChart 2 – No Alternator Output – Quick DiagnosticFigure 7 – Alternator-to-Regulator Harness Plug PIN CONNECTIONS Pin A

Seite 10 - Troubleshooting

Page 8TG13GChart 3 – No Alternator Output – Test Charging CircuitSTATIC TEST – ENGINE OFF, BATTERY SWITCH ON, KEY ON PIN CONNECTIONS P

Seite 11

Page 9TG13GSection D: A2-214 Advanced Troubleshooting (CONT’D) Repair vehicle circuit to IGN terminal. Vehicle charging circuit test is

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Ce-niehoff-co C653/C653A/C625 Troubleshooting Guides Bedienungsanleitung

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