PS Magazine - TB 43-PS-638
PS, The Preventative Maintenance Monthly
ISSUE 638
JANUARY 2006
PS 638
JAN 06
21
Construction
Equipment…
Air Drain Reminder
T
emperatures drop when the sun goes down. Nature puts the thermometer into a
nosedive. The days may be warm, but the nights are cold!
A change in temperature means
trouble is brewing if you don’t drain
your vehicle’s air tanks. That’s
because moisture corrodes air lines,
relief valves, safety valves and even
the tank itself.
But frozen water (ice) in your
vehicle’s brake system is double
trouble!
Water expands when it turns to
ice. The pressure will burst most
anything. You lose your brakes, con-
trol of your vehicle, maybe your life.
The solution is simple—after the
day’s run, no matter the weather,
drain the vehicle’s air tanks.
PS 638
Shutdown
Reminder
O
perators, follow the word on Pages 2-84 and
2-85 of TM 5-2420-224-10 when you shut
down the excavator. Doing it wrong can cost
your unit about $300 for a new generator.
The right way is real simple:
1.
Park the excavator and let
the engine idle for 5 minutes.
4.
Turn the master
disconnect switch
key to OFF.
3.
Turn off the ignition switch.
2.
Move the
throttle lever
to OFF.
This
shuts off fuel
to the engine.
let’s
see… idle,
throttle,
ignition,
key!
no matter
the weather…
drain the
air tank!!
Open each
valve to let
water out
SEE…
20
Never turn off the master disconnect switch key or
the ignition switch before setting the throttle to OFF.
If you don’t shut off the fuel first, the generator
will build up a load beyond its capacity and burn out.
638.20-21(C).qxd
12/1/05
4:33 PM
Page 1
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