PS Magazine - TB 43-PS-564
PS, The Preventative Maintenance Monthly
ISSUE 564
NOVEMBER 1999
rewmen, following the info in TM
9-2590-509-10 is a good first step to
keeping your tank’s mine clearing blade
up and running. Here’s step two:
Motors
If the blades come crashing down
when the electrical or manual blade
release is used, too little oil or oil con-
tamination could be the culprit.
Use the electrical switch to raise and
lower the blades once more. If they
come crashing down again, have your
mechanic drain the old oil from each
motor and replace it with four ounces
of damping fluid, NSN 9150-00-607-
0897.
M1-Series Tank . . .
Include your name, full mailing ad-
dress, the title and PIN number of the
film, format (VHS, for example), and
the quantity of tapes you need. APO
addresses must include their unit/
box number, CMR/box number, or PSC/
box number.
You can also order over the Internet at:
Once there, click on
PIN/ICN Search
in the left column. At the next screen,
type 707727 in the block provided and
click on
Search.
At the next screen, click on the film
title. At the bottom of the next screen,
click on
Add to Shopping Cart!
Next, click on
Check Out. Fill out the
order form and click on
Order. The film
will be shipped within 15 working days.
Water Damage
Heavy rain or high-pressure water
seeps into the relay box if any of the
cover assembly bolts are missing or if
the cover seal is missing or damaged.
Water buildup causes electrical shorts.
Check relay box for missing hardware
Your mechanic can replace a miss-
ing or damaged seal with NSN 5330-
01-277-5647. New bolts come
with NSN 5305-00-269-3235. NSN
5310-00-637-9541 gets new lock
washers.
Lifting Belts
Take care of the mine clearing
blade’s lifting belts and they won’t let
you down. That means using the right
lifting techniques.
During operations, always make sure
you back the vehicle 8–10 feet before
lifting the blades. That keeps the blades
from hanging up on anything that’ll
snap the belts.
Never use the mine clearing blade to
recover mired vehicles or to lift any-
thing. Either the lifting belts will break
or the motors will burn out.
Never drive
the blade
through
concertina wire.
It’ll nick and
cut the belts.
When that
happens, your
mechanic has
to replace them
with new belts,
NSN 4020-01-
289-8249.
set at its shallowest depth—eight
inches. That prevents damage to your
tank’s engine and the blade’s teeth.
More Help
If you’re having trouble mounting
the mine clearing blade, or just need
some refresher training, get a copy
of the training film,
Blade, Mine
Clearing, M1 Tank Mounted
. The
PIN is 707727.
Order the film from the Joint Vi-
sual Information Services Activity by
fax at DSN 795-6106 or (717) 895-
6106, or by e-mail at:
vibuddy@ptd.net
Or write to:
JVISDA
Warehouse 3/Bay 3
11 Hap Arnold Blvd
Tobyhanna, PA
18466-5120
Depth Adjustment
When you’re training with the mine
clearing blade, keep the adjusting plate
you can't
dance
your way
around this
mine
field
. it's gonna
take
pm!
PS 564
15
NOV 99
PS 564
14
NOV 99
Concertina wire
shortens belt life
Fill both
motors
here
with
damping
fluid
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