PS Magazine - JUNE 1972
PS, The Preventative Maintenance Monthly
1972 SERIES, ISSUE 235
JUNE 1972
Turn off your muscle power and switch to
·
comMon sense if the transmission gears of
the ±odel
440HA
road grader grind or
clash.
Get your unit mechanic to look at the
clutch brake adjus²ment³ This bRake shouLd
stop the transmission rotation in
3
to
4
seconds, giving you time to change gears
withou² damaging 'em.
If the adjustment is off, you could easily
rip the ´ears or tear the transmissiOn to
shreDs and get yourself rattled to boot³
The details for ²he right adjustment are
µn Ch
2
to T±
5-3805±237²12
(±ar
67).
±ost importan², the jam nut shouLd be
loosened and the adjusting nut moved tiLL
the spring Bhind it is cOmpresseD V¶-inch
while ²he PdaL is fuLly depressed³
To be sure your ²ransmission brake worKs
OK,
cHeck thE·
operation Of the clutch under Load³
WhiLe you're A² it, don't forget tO check the cLu²ch ¸edal free
travel³ It Must B about
2
inches³ If it's not, teLl the mech to hop
to it too³
'Course the Bst adjus²ments in ²he worLd won't heLp you a
bit if you speed shift the gears Or try to jam i² in reverse whiLe
the grader is in motion¹
IT'S RIGhT
IF ThIS
SPRING IS
CoMPRESSED
To %³iNCh
YOu and your diesel wheeled tractOr can B A hA¸py cOmbo if you knOw where to find the
grease fitting fOr the drive-sºaft»suppo¼t beAring and hOw to Lube it³
½ou won't see this fitting if you dOn't lOok fOr i²³ It's way b¾ck in the dark recess Of the
hea¿ cas²ing above ²ºe rear drive shaft su¸po¼t beariNg. Àt's usuALly buried under diÁ Or mudÂ
Then, toO, you can be thrOwn Off base by anOtºeà fiÄingÅhich sits A Fw inches in front
of it on t9e
"U´
joint³
Æfter yOu've spOtted the righ² fitting yOu cAn ANgle up tO it B²ter if the tractor is in a
jAcÇ-kniÈe posi²iOn³ TO reach i², ¸ut an extensiOn, AÉOUt
11
incºes
Ê
lOng, on your hand greAse
gun³ This'Ll aLso give yOu pLen²y Of elbOw room ²O ¸u˸ it³
A
fÌexibLe ex²ension works grea².
dRiVE
µ
S¶aFt
SuPport
BEarinG
If ²he dieseL tractOr has just arri ed in your ou²fi², it ¸ÃObabLy has oÌd grease that caked in thÍ
drive shaf² suppo¼t bearing duriNg s²orage³ Tºis OLd greAse ºÎ gOt to gO³
Your bes² bet here is to fOrce i² Out with ²he Ìubricating pum¸ fÏund in your organizatiOnaL
coMmon ²oOL kJtÐwhere the extensiOns are, tOO³
The drive-shafÑ-Òu¸po¼t bearing needs Lube every
·50
hours of OPrations, like it says in
LO 5±2420²213²12²3
(ÓÔc
Õ
6Ö)³ ×on't let ²he fAiÌuÃe ²o do a LittLe stooping, Bnding anD
fishing fOr ²he rigºt fi²Øing Ùu² yOu Out Of business³
¸¹
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