PS Magazine - TB 43-PS-614
PS, The Preventative Maintenance Monthly
ISSUE 614
JANUARY 2004
PS 614
JAN 04
25
Take the primary filter out and tap it real good with the heel of your hand to loosen
dirt. Then shake it and tap some more. This will knock enough junk out of the filter
to keep you going until you can replace it or clean it with low-pressure air (30 psi or
less). Never bang the filter on a rock or hard surface. You can dent it, which causes
a poor seal.
Keep an eye on the air cleaner indica-
tor light on the operator’s station inside
the cab. When the light turns red, stop
and clean the primary filter.
You might want to bone up on how
the canister and air filters fit together
before you start excavating. That
means you’ll want to take a look at
Pages 2-6, 11-5, 14-9 and 14-10 of
TM 5-3805-280-10.
HYEX…
C
lean air filters are important for all vehicles, but they’re crucial on a HYEX. The
engine will run rough or not at all if the filters are clogged. A dirty filter steals
power and forces the excavator to struggle with any load in the backhoe.
Operators, it’s a good
idea to squeeze the dirt
out of the dust cap on the
bottom of the air canister
every day. This is espe-
cially true if you’re in a
dusty or sandy area. This
gets rid of the dirt from
the canister, but not from
the primary or secondary
air filters.
Blow air from
inside up and
down pleats
Shine light
inside
to look
at
outside
of
element for
holes
Do not clean the
secondary filter.
it gets replaced
when it’s dirty
or when…
By the way, you’ll
find this info on
Page 14-10 of TM
5-3805-280-10.
•
the primary filter is
damaged and needs to
be replaced.
•
after 1,000 hours of
operation or annually.
TM
5-3805-
280-10
{gasp}
{
gasp}
…
need
air…
{gasp}
lots…
of it!
Squeeze dust cap on bottom
of air container
614. 24-25 (C)
11/28/03
1:37 PM
Page 1
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