Würth 0772 800 Operating Instructions

17
RUN ENGINE UP TO
2500 RPM 15SEC
Whentestingoldermodelsofdieselengines,theusersneedtorunuptheengine
to2500rpmfor15seconds.Youwillviewtheadjacentscreen:
Press
Enter tolookfortheamountofripplefromthechargingsystemtothebat-
tery.Oneoftwotestingresultswillbedisplayedalongwiththeactualtestresult
measured.
RIPPLE DETECTED
××.××V NORMAL
Ripple detected normal
Diodesfunctionwellinthealternator/starter.
NO RIPPLE DETECTED
Or
RIPPLE DETECTED
××.××V HIGH
Excess ripple detected
Oneormorediodesinthealternatorarenotfunctioningorthereisstatordam-
age.Checktoensurethealternatormountingissturdyandthatthev-beltsarein
goodshapeandfunctionproperly.Ifthemountingandbeltsaregood,replace
thealternator.
Pressthe
Enter keytocontinuethechargingsystemtestwithaccessoryloads.
Oneofthethreeresultswillbedisplayedalongwiththeactualtestresultmeas-
ured.
ALT. LOAD VOLTS
××.××V HIGH
Charging system high (when test with accessory loads)
Thevoltageoutputfromthealternatortothebatteryexceedsthenormallimitsof
afunctioningregulator.Checktoensuretherearenolooseconnectionsandthat
thegroundconnectionisnormal.Iftherearenoconnectionissues,replacethe
regulatorofthealternator.Sincemostalternatorshavetheregulatorbuilt-in,this
willrequireyoutoreplacethealternator.
ALT. LOAD VOLTS
××.××V LOW
Charging system low (when test with accessory loads)
Thealternatorisnotprovidingsucientelectricityforthesystem’selectricalloads
andthechargingcurrentforthebattery.Checkthev-beltstoensurethealternator
isrotatingwiththeenginerunning.Ifthebeltsareslippingorbroken,replacethe
beltsandtestagain.Checktheconnectionsfromthealternatortothebattery.
Iftheconnectionislooseorheavilycorroded,cleanorreplacethecableand
retest.Ifthebeltsandconnectionsareingoodworkingcondition,replacethe
alternator.
ALT. LOAD VOLT
××.××V NORMAL
Charging system normal (when test with accessory loads)
Thesystemisshowingnormaloutputfromthealternator.Noproblemdetected.
TEST OVER TURN
OFF LOADS & ENGINE
Press Enter whenchargingsystemtestiscompletedtonish.Turnallaccessory
loadsandengineo.
Pressthe
Enter keytogettotheinitialchargingsystemtestmenuorremovethe
testterminalsfromthebatterytoswitchothedevice.

Würth 0772 800 Specifications

General

Brand	Würth
Model	0772 800
Category	Battery Charger
Language	English