ATLET 110781, Руководство по обслуживанию

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10.18 10.18 Electrical Electrical system system
A AT TL LE ET T S SE ER RV VIIC CE E M MA AN NU UA AL L IIn nssu ullaattiio on n rreessiissttaan nccee
1 10 0..6 6 IIn ns su ulla attiio on r n re es siis stta an nc ce e
0 0
1 10 0..6 6..1 1 R Ro ou uttiin ne t e te es stt
Y You must first disconnect t ou must first disconnect the connections (plugs) before the truck is he connections (plugs) before the truck is insulation insulation
tested in order to protect the regulators and other electrical components on the truck. tested in order to protect the regulators and other electrical components on the truck.
This is because damage may occur that will shorten the life of component parts. In
This is because damage may occur that will shorten the life of component parts. In
the event of large insulation errors it is appropriate to use a the event of large insulation errors it is appropriate to use a universal instrument universal instrument
until the error has been found and then make a f until the error has been found and then make a final insulation test. inal insulation test.
This applies to all electronic units in the This applies to all electronic units in the truck. truck.
The instrument has a The instrument has a dangerous voltage across the measurement terminals. Do not dangerous voltage across the measurement terminals. Do not
touch the terminals during touch the terminals during testing. testing.
Routines for insulation testing of all truck models. Routines for insulation testing of all truck models.
1. 1. Set th Set the tes e test vol t voltag tage to 10 e to 100 vol 0 volts fo ts for the in r the insu sulat lation m ion meas easure uremen ment ins t instru trumen ment. t.
2. 2. Pul Pull out the b l out the batt attery pl ery plug. Di ug. Disco sconne nnect con ct conne necti ctions ons/te /termin rminals to e als to elect lectric rical al
components and electronic systems before the test is components and electronic systems before the test is performed as these can performed as these can
be damaged by the test be damaged by the test voltage. voltage.
3. 3. Con Connec nect the in t the instr strume ument' nt's ear s earth le th lead to t ad to the tr he truck c uck chas hassis a sis at a poi t a point wi nt with go th good od
electrical contact. The other lead is electrical contact. The other lead is connected to the electrical panel connected to the electrical panel plug's plug's
positive terminal. positive terminal.
4. 4. Pre Press th ss the sta e start but rt button a ton and wa nd wait un it until th til the dis e displa play has s y has stab tabilis ilised ed, now re , now relea lease se
the button and read off the button and read off the value on the display. An approved value of 48 the value on the display. An approved value of 48
vo volt lts o s on t n tru ruck cks s s sho houl uld be d be at at le leas ast 4 t 480 8000 00 , (4 , (48 k 8 k ). ).
5. 5. Let Let the e the earth arth lead lead remai remain at n attach tached ed to th to the ch e chassis assis and and conn connect ect the o the other ther lead lead to to
the electrical panel plug's negative terminal. After this repeat point 4. the electrical panel plug's negative terminal. After this repeat point 4.
Ω Ω Ω Ω
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