PS Magazine - JULY 1985
PS, The Preventative Maintenance Monthly
ISSUE 392
JULY 1985
The weight of your F AAR (Forward
Area AlertinG Radar system) can crack
the rear, lower suspension arm of the
M561
car±er
on
rough
grouNd
or
during ²eld training.
'If you don³t spot the cracks soon
enough, the suspension arms´ will split
open µµµ your FAAR
will
tilt. .µ and
your top-heavy FAAR will hit the dirt.
Cracks occur in both the right and le¶
·
support arMs. (The Mast side
su¸ers Most.)
The idea is to che¹k ºr cracks
al
over the arMs. Frequent checks, even
More tha» the T¼ calls ºr, wiLL spot cracks beºre they get serious. ½et them
26
JUL 85
.
lube, the sha¶ will sEize, the tractor
engine will overheat ¾µµ and the tractor
and
your F AAR
will
go
nowhere.
Since there³s no grease ²tting, you
have to get your mech to disassemble
the idler and lube the sha¶µ
Here³s a quick test that³ll let you
k»ow when lubing is overdue:
Push all the way down on the idler
hub (until the belts sag).
Release the hub. ¿he idler spring
I
should pop the idler back up QuickÀ
\
·
like, and the belts should tighten.
litÁLe tricK.
IteM
9,
ÂSÂ
2520-0±²037²4980³
is the right rear arm,
i
LÃe wiÁh Áhe way
the carÄier atÁaches to Áhe tractor. Item
9³
ÂSÂ
2520´01´1µ7606³
is the le¶
rear
a.
Id±er Pu²²ey ChEck
Don³t overlook the water puMp idler
pulley on your FAAR³s tractor.
If the idler comes back slowly, or
not at all, MechanÅcs should disassemble
the idler and apply ½AA greaseÆ ¿he
instructions are
on
Pages
6-62
and
6²63
of Ǽ
9-2320-242¶20·3²1.
Check ³em out. ¿he arÈs and idlers
If the idler pulley sha¶ uses up its
wiLl keep your FAAR rollin³.
JU³ 85
27
_±
l
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