PS Magazine - TB 43-PS-745
PS, The Preventative Maintenance Monthly
ISSUE 745
DECEMBER 2014
20
PS 745
DEC 14
21
PS 745
DEC 14
± Water±in±your±RTCH’s±fuel±leaves±the±engine±running±rough—if±it±runs±at±all.
A
temperature drop means you’ll have to do more than just grab a jacket, operators.
Colder temps bring condensation that forms on the inside of your hydraulic
excavator’s fuel tank.
Water and fuel aren’t a good mix. Water’s bad enough, but it also lets crud grow
inside your fuel tank. If you don’t get it all out, the engine runs rough—or not at all.
To get that water and crud out, you
need to drain the fuel/water separator
on your Model 230 and 330 HYEX
before every day’s run. The separator
is located behind the engine access
door on the left side of the excavator.
Open the separator by turning its
drain cock counterclockwise. Then
push down on the press pump to get
water out of the separator.
Some fuel is going to come out with
that water, so make sure you dispose
of it in an approved hazardous waste
container. Never dump it down a drain
or on the ground from the separator’s
drain hose.
The fuel should run clear after a
few seconds. If it doesn’t, close the
valve and report it to your mechanic.
Draining the fuel/water separator
for the Model 240 HYEX is handled
differently. See WP 0086 in TM
5-3805-294-10
(Mar
11)
for
the
speciFcs.
Hard to Start?
± These±
vehicles±
have±
a±
canister± that± automatically±
injects±ether±into±the±engine±
for± cold± weather± starting.± If±
your± RTCH± is± hard± to± start,±
chances± are± the± canister± is±
empty.± Have± your± mechanic±
replace±it.
± Water± gets± in± the± fuel± when± warm±
days± and± cool± nights± cause± condensation±
to±form±in±the±vehicle’s±fuel±tank.±Get±rid±
of± that± water± by± draining± the± fuel/water±
separator±every±week±like±it±says±in±TM±10-
3930-675-10.
± You’ll± find± the± fuel/water± separator±
behind± the± left-side± engine± access± door.±
Turn± the± drain± knob± counterclockwise± to±
open±it.±Drain±the±water/fuel±mixture±into±
a± can± and± dispose± of± it± in± an± approved±
hazardous±waste±container.±
Never
±dump±it±
down±a±drain±or±let±it±run±on±the±ground.
± Once±the±fuel±runs±clear,±you’re±OK.±But±
if±the±fuel±still±contains±water±after±you’ve±
drained± half± a± pint± or± so,± turn± the± knob±
clockwise±to±close±the±valve±and±report±it±to±
your±mechanic.
Drain Out Water
Canister±empty?
Open±to±drain
Close±when±
fuel±runs±clear
HYEX…
Temperature
Drop Brings
d
r
i
p
s
Drain
fuel/water±
separator
1.
Turn±valve±
counterclock-
wise
3.
Drain±into±an±approved±waste±container
2.
Push±
pump
Operators, routine
maintenance
won’t
hack
it in cold weather.
So here are
two cold weather tips
to
keep your rough terrain container handler
(RTCH) mission-ready this winter.
cool mornings mean
condensation can
builD uP in My fuel.
that makes for
rough running
if
you don’t drain it!
RTCH…
PM Goes
UP
When Temps
Come
DOWN
745 20-21.indd
1-2
11/7/14
3:13 PM
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