PS Magazine - SEPTEMBER 1984
PS, The Preventative Maintenance Monthly
ISSUE 382
SEPTEMBER 1984
Element-ary Air Cleaner Service
The air filter eLements on the M91 ±
C-HET are throwaways.
You don't cLean them, even though
Page 3-6, Task 13 of TM 9-2320-270²
20 says you do³ They won't stand up
to cLeaning with water or compressed
air³ Either method wouLd ruin the
fibers´the eLements would Lose some
of their fiLtering capability.
Now you take out the fiLter eLements
quarterLy. Tap them lightly against a
hard surFce to knock oµf the outside
particLes. If the eLements are punctured
or damaged, repLace them³
RepLace both air fiLter eLements an¶
nuaLLy, or when the air restriction in·
dicator turns red.
Keep Fifth Wheel Tight
Don't get torqued²o¸ at your M91 ±
C-HET fifth wheeL mounting bolts if
they come loose. CouLd be they need
checking more often³
If the boLts aren't torqued right, they
loosen and cause the frame rail and
mounting bracket holes to eLongate.
Then you
'II
have a loose ¹fth wheel that
couLd FLL oµf and cause someone a
worLd of hurt.
At the next scheduLed service, your
mech wiLl torque the 5/8²11 grade 8
boLts to 210 lb²ft. The 3/4º10 grade 8
boLts wiLL get 375 Lbºft torque.
A semiannuaL check »r torque on the
boLts wilL be added to the PMCS in TM
9²2320-270-20¼
SEP 84
Take another Look at traiLer-towing with the CUCV (Com
erciaL UtiLi½ Cargo
Vehicle). TACOM Msg DRSTAºRTC 051700Z Oct 83 cLears up some points
you find´or may be Looking »r¾in TM 9-2320-289-10, Para 2-1¿, ÀOADING
THE TRUCK, and Para 2-12, TOWING A TÁAIÀER.
Other pubs in the picture are ÂM 9²2330²251-14 and TM 9²2330-251-¿4²1 &P
for the M416 and MÃ16AÄ ÅÆ-ton traiLÇrs and TM 9²2330-202-14&P fÈr the
M ¿0 É ²series % ²ton traiLers³
M1009 3-Ton Truck
M¿009 %-ton CÊCV's are replaËing both the MÄ5 É-series ÌÆÍton trucks and
M416-series κton trailers in some TOE 's³ If you're left with Î-ton trailers,
they can be towed by the MÄ009³
Maximum traiLer payLoad is 500²Lbs »r both crÏssºcountry and highway traveL³
The 750²Lbs for highway in the Î-ton trailer TM's is a no²go¼
If you have no βton trai±ers, remove and store the M1009 tow pintLe to pre¶
vent towing any other trai
ie
rs._
The MÄ009 can tow aircraft Ðeighing up Ño 3,000-Òbs fÈr short distances on
hard surFces.
DieseL ±uel ²eak
A Class I Ór CLass II dieseL ÔeL Leak does not make your muLtiÔeL or diesel
engine²powered equipment "not ready/avaiLabLeÕ under the ²10 TM PMCS.
Only a CLass III dieseL ÔeL Leak does.
TACOM Msg DRSTA²M 151300Z Jan 81 maÖe this point about "tactical
wheeLed vehicLes,× but the in» appLies to all muLtiÔØL and dieseL engine²powered
equipment³ Ùf your TM doesn't give you the straight stÚry, it's due fÈr a change
or revision.
SEP 84
15
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