PS Magazine - APRIL 1980
PS, The Preventative Maintenance Monthly
ISSUE 329
APRIL 1980
r'
I
1
r
i±
RTFL Trucks .±²
Some
rough
terrain
forklift
operators have a pedal-to±metal FoOt
when they crank up their vehicles.
²perating
these
trucks
·
at
hiGh
speed causes downtime and expensive
parts replacement.
³'rinstance, when you top a hill, or
downshift at max speed, here´s what
happens:
The
engine
overspeed
causes the valves to "floatµ .
.. then the
pistons could hit the valves. ResUlt¶ A
major engine repair job .¸. or ¹ new
engine!
RT³L's weJgh about 25,000º35,000
pounds at the starting line» They do
¼
not have springs or shock absorbers.
When
a
careless
driver
hits
a
chuckhole or rock or sUch
at hiGh
speed, the RT³L surges,½ flo¹ts or
¾
Bounces. There´s nothing ¿to cUshion
the shocK except the tires. Àalk aboUt
rebounding! ÁaÂÃ Äl¹MÃ
These actions put the vehicle in a
PÅÆbind. The ch¹ssis, drive tr¹in ¹nd
steering system are damaged. YoU Can
fÇrget about Èinfield mainten¹nceµ.
ItÉll take DSÊ work ¹t least.
50
When you're
in convoy, let Ëthe
vehicle with the greatest oper¹toÌ
control/weight shift problem set the
max convoy speed.
NoÍrepairaBle ÎED pump engines on tank and pump units supported by
TÅ 5º4930±227Æ14 ÏuÐ 69) and TÅ 10±4930º204±15 (Sep 67) are replaced by
engine NSN 2805±00Ñ722Ñ3922 , PN ÁÒND 401Ó56 ³SÔÅ 662Õ9.
Öut this new commerci¹l off±theÆshelf engine does not have a push±pull
sa×ety ignition switch, or a spark±proof mufflØr, ¹nd it wears a coat of light Blue
or green paint.
So, before you mount it to the pump, youÙll h¹ve toÚ
Your new engine comes qverpacked with the manu×actÛrer's operator and
parts manuals. Öe sure you get your h¹nds on these pubs .
.. and take care of 'em.
Replacement manUals may be hard to come by.
Üdvance Industries Åodel 1800Ý supported by TÅ 5Æ4930Æ228º14 (Aug
72) Þißs powered By enGine NSN 2805±00±472Ñ2389. This engine c¹n be
replaced only by cannibalization. Engine parts are still availaBle, tho.
51
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