PS Magazine - TB 43-PS-631
PS, The Preventative Maintenance Monthly
ISSUE 631
JUNE 2005
PS 631
JUN 05
29
1.
Remove the cover and spring, then remove the filter assembly.
2.
If you’re in the motor pool,
steam clean the screen and mag-
nets, and then dry ‘em with pres-
surized air. In the field, wash the
screen in MIL-PRF-680 Type III
dry cleaning solvent. Clean the
magnets with a stiff bristle
brush. Don’t use a wire brush!
That type of brush can scratch or
demagnetize them. And don’t
drop or tap the magnets. That
can demagnetize or break them.
3.
Check the cover seal for cracks,
tears or mashed edges. If you find
any, replace the seal, NSN 5330-
00-863-5549.
4.
Install the magnets, screen,
spring and cover, in that order.
Torque the cover nuts to 31-34 lb-
ft dry (no oil) or 23-25 lb-ft
(threads lubed with oil).
5.
With the engine running and the transmission in neutral, pull the dipstick to meas-
ure the oil level. Add oil to bring it to the FULL mark on the dipstick.
D7G Tractor…
Remove
cover…
…and
filter
assembly
Cleaning the
screen and
magnets is a
250-hour
service in LO 5-
2410-23
7
-12 and
TM 5-2410-23
7
-20.
here’s how…
Wash screen in PRF-680 dry cleaning solvent
Use stiff bristle brush to remove shavings
Replace
worn seal
here’s a pm
tip that saves
wear and
tear on the
dozer’s
transmission.
You’re changing the transmission fluid
in a D
7
G dozer and notice the fluid is
contaminated
with metal shavings.
hey!
OK… so
how
do I
clean the
screen?
I
always
change
the transmission’s
primary filter.
What gives is a
clogged screen
in the
transmission system’s
magnetic strainer.
A clogged
screen
restricts oil
flow in your
D
7
G’s trans-
mission.
The result is
wear and tear in
the engine and
transmission.
so,
what
gives?
631.28-29(C)
4/28/05
6:34 PM
Page 1
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