PS Magazine - TB 43-PS-555
PS, The Preventative Maintenance Monthly
ISSUE 555
FEBRUARY 1999
Replace self-cancelling
turn signal unit without light
perating a hydraulic pump without hydraulic fluid is a death sentence for
the pump.
That’s why it’s so important that your FMTV wrecker’s hydraulic reservoir
inlet and outlet hoses be open during operation. If either or
both hoses are closed, bye-bye pump.
The lever that closes each hose to prevent the loss of oil
during maintenance or repair can be accidentally knocked
into the closed position.
You can prevent that by
using an electrical tiedown
strap to secure the levers in
the open position. The le-
ver is open when it’s in line
with the hose. Get a pack
of 6
1
/
2
-in straps with NSN 5975-00-074-2072. Get a pack of 10
1
/
2
-in straps
with NSN 5975-00-570-9598. Both packs have 100 straps.
rivers, there’s a new type of turn
signal control, NSN 6620-01-408-
7785, in the system—one that is
self-canceling. Like the one in your
POV, it turns off when you com-
plete a turn.
But, some of these new controls
come without a light to let you know
the turn signals are working.
If you get one of these self-
canceling controls without a light,
have your unit turn it in with a
Report of Discrepancy, SF 364.
If there’s a light on the control,
M915-Series/M915A1 Trucks . . .
Replacement Light Switch
T
he good news is that a completely new light switch is available for M915-
series and M915A1 trucks. The hitch is that there is no stock available yet.
The only way to get the new switch, Blevco-ARI Inc. part number 990530, is
to go directly to the manufacturer.
Call Charles Blevins at (703) 691-2483/2484 or fax him at (703) 691-2485. As
long as each order is for five switches or less, shipping is immediate.
This new switch does not come with the knob or shaft. Either keep the knob
and shaft from the old switch, or order part number 85685018 from Blevco to
receive a new knob and shaft.
Wheeled Vehicles . . .
Family of Medium Tactical Vehicles . . .
ouch!
there goes my
hydraulic pump
! someone
forgot
to
open
my
valves!
a
self-
cancelling
turn
signal with a
light!
now
that's a
bright
idea
!
PS 555
3
FEB 99
PS 555
2
FEB 99
Tie open inlet .
..
...and outlet valves
but you can’t see it, report it to your
mechanic. He’ll check out why the
bulb’s not working.
If the bulb covering is painted over
so you can’t see the light, have your
unit file a Product Quality Deficiency
Report, SF 368.
If you’d like to add this control to
your truck, order kit, NSN 2540-01-
431-1338.
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