Ammann APH 5020 Traduction Du Mode D'emploi Original page 42

3. Ope ra ti on
3.5.5 Au to matic en gine cut-off (APH 5020 – 6530)
Ma chines are equipped with a safety en gine cut-off. The en gine
switches-off au to mat i cally if
• the oil pres sure is too low
• the film of lu bri ca tion oil is un sta ble as a re sult of
• ex ces sively high oil tem per a ture
• in cor rect baisc vis cos ity
• di lu tion of the oil by fuel or wa ter
• the lu bri cat ing oil fil ter is blocked
• a leak age in the oil re lief valve
• leak ages in pipes and seals
• the oil pumps and bear ings are worn.
If the oil level is too low or the ma chine is tilted too
much, it can lead to an ad mix ture of air and thus to
a loss of vis cos ity.
Attention
If the en gine cuts-out be cause the sup ply of lu bri cat ing oil is in -
suf fi cient, pro ceed as fol lows :
• Lo cate the fault and have it rec ti fied.
• Press the le ver few sec onds.
• Start the en gine.
3.5.6 Air fil ter main te nance in di ca tor
The mo tors are equipped with a main te nance in di ca tor for air fil -
ters. In case of pol lu tion of the fil ter el e ment the rub ber bel low
con tracts by underpressure.
In this case, switch-off the mo tor and clean or re place the air-fil -
ter.
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