PS Magazine - TB 43-PS-531

PS, The Preventative Maintenance Monthly

ISSUE 531

FEBRUARY 1997
PS Magazine - TB 43-PS-531 - Page 9 of 51
HEMT .±²
fr
the crane on youR M977, M984E l o± M985 HEMT stops working² your
tr uck Is NMC-pLain and simpLe.
³e crane usuaLLy stops working because the hydrau´ic fuid is Low o± µ¶e
hydrau·¸c F¹lte± eLemenµ ¸s cLoggedº
Eyeba´L µhe fuid Leve´ on t¶e hydrau´ic ±eS±vo¸±'s sig¶µ g´ass BFOr» every oPra¼
tion½ ¾¿e F·uId ´eve´ shouLd À Àtwe»n
ADD
and
FLL
aÁe± t¶e ve¶IÂLe is warm½
a
c´ogged F¹´ter starves Ãhe Ve¶ic´eÄs hYdrau´Ic pump FOr o¸´. No oÅL means t¶e
crane wonÆt ±aIse or Lower½
MaKe sure your mec¶anic rep´aces the craneÇs ¶ydrauL¸c oIL F¹Lµer e´ement
during sc¶eduLed se±viceÈ o± more oÉteÊ du±ing ¶eavy use.
PS 531
8
fEB97
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