Dodge Sprinter 2006 Manual page 1902

21 - 164 AUTOMA TIC TRANSMISSION NAG1 - SERVICE INFORMA TION
t h e clu t ch es a n d ba n ds. It is n ot h in g m or e t h a n
u sin g a differ en ce of a r ea t o cr ea t e a differ en ce in
pr essu r e t o m ove a n object .
Fig. 215 Force Multiplication
PISTON TRA VEL
Th e r ela t ion sh ip bet ween h ydr a u lic lever a n d a
m ech a n ica l lever is t h e sa m e. Wit h a m ech a n ica l
lever it 's a weigh t -t o-dist a n ce ou t pu t r a t h er t h a n a
pr essu r e-t o-a r ea ou t pu t . Usin g t h e sa m e for ces a n d
a r ea s a s in t h e pr eviou s exa m ple, t h e sm a ller pist on
(F ig. 216) h a s t o m ove t en t im es t h e dist a n ce
r equ ir ed t o m ove t h e la r ger pist on on e in ch . Th er e-
for e, for ever y in ch t h e la r ger pist on m oves, t h e
sm a ller pist on m oves t en in ch es. Th is pr in ciple is
t r u e in ot h er in st a n ces a lso. A com m on ga r a ge floor
ja ck is a good exa m ple. To r a ise a ca r weigh in g 2000
lbs., a n effor t of on ly 100 lbs. m a y be r equ ir ed. F or
ever y in ch t h e ca r m oves u pwa r d, t h e in pu t pist on a t
t h e ja ck h a n dle m u st m ove 20 in ch es down wa r d.
Fig. 216 Piston Travel
PLAN ETARY GEART RAI N
DESCRIPTION
Fig. 217 Planetary Geartrain
1 - ANNULUS GEAR
2 - PLANETARY PINION GEARS
3 - SUN GEAR
4 - PLANETARY CARRIER
Th r ee pla n et a r y gea r set s (F ig. 217) a r e u sed t o
pr odu ce t h e differ en t gea r r a t ios. Th ese a r e loca t ed
in t h e m ech a n ica l pa r t of t h e t r a n sm ission a s t h e
fr on t , m iddle a n d r ea r pla n et a r y gea r set s.
VA