PS Magazine - TB 43-PS-442
PS, The Preventative Maintenance Monthly
ISSUE 442
SEPTEMBER 1989
M939/M939A
1-Series .±²
S
ome of the parts .of the hot water heater and switch fOr these 5-tonners were
left out of TM
±-2²20³272-20P.
´´
Elbow
NSN µ54¶·¶1¸¶8¹¸1º¶»
Seal
NSN
5¹¹¶¸¶1¼1¶8¸»ºº»
Canister
NSN µ54¶½¶º½1¹8¾¶»µ5
Use ¿dhesive
NSN 8¶4¶¾¶¶½µ6µ¾»¶¶5
IlIcone brake fluId (BFS) in your vehicle should be purple± Sometimes,
though, the dye that gives it the purple color breaks down, and the fluid in the
master cylinder becomes brown or amber²
There's no cause fOR alarm if the color changes± The dye does not a³fect the
performance of the brake flUid´
However, if the fLuid is not purpLe, you can't tell what kind of µUId is In your
brake system´ YoU might have a vehIcle with the older H¶ brake fluid´ And
you shouldn't ·Ix the brake f¸uids±
Here're two ways to tell what kind of brake fluid you have:
MIx a fEw tablEspoon³ of the
.
Put ³omE of the unknown fluid
UnKnown flUID wIth a lITlE BF´µ
r
/l
¶n a jaR wIth a lITlE watER and
l·thE two mIx,it'³ BF´,too¸HowEvEr,
shakE it¸ BFS doEs not mix with
i· thE two fluId³ ³EparatE Into layERs¹
watErº and you'll sEE dI³tinct layER³¸
thE unknown fluid is HB» YoUr vEhi-
Water mixes with H¼, on the othEr
cle n½d³ to havE thE brakE fluid
hand, and will rEmain mixEd¸ You
changed¾
won't sEE sepaRatE layErs¸
ÀÁp ÂÃ
´Ä
Back to Top Back to Top
