Dodge Sprinter 2006 Manual page 1856

21 - 118 AUTOMA TIC TRANSMISSION NAG1 - SERVICE INFORMA TION
Shift Pressure Shift Valve
1 - 1-2/4-5 COMMAND VALVE
2 - DRIVING CLUTCH K1
Wh en t h e m u lt iple-disc br a ke B1 (3) is a ct iva t ed,
t h e wor kin g pr essu r e (p-A) is a pplied t o t h e en d fa ce
of t h e 1-2 / 4-5 sh ift pr essu r e sh ift va lve (4) (F ig. 117)
via t h e com m a n d va lve (1). It s sh ift st a t e is m a in -
t a in ed du r in g t h e sh ift ph a se by su bst it u t in g t h e
sh ift elem en t pr essu r e a ct in g on it s en d fa ce (a n d
wh ich is va r ia ble du r in g t h e sh ift ph a se) wit h a cor-
r espon din g con st a n t pr essu r e. Wh en t h e m u lt i-pla t e
clu t ch K1 (2) is a ct iva t ed, t h e en d fa ce of t h e sh ift
va lve is u n pr essu r ized du r in g t h e st a t ion a r y a n d
sh ift ph a ses, so t h e sh ift st a t e is m a in t a in ed du r in g
t h e sh ift ph a se in t h is ca se t oo.
Fig. 117 Shift Pressure Shift Valve
3 - HOLDING CLUTCH B1
4 - 1-2/4-5 SHIFT PRESSURE SHIFT VALVE
Lubrication Pressure Regulating Valve
1 - LUBRICATION PRESSURE REGULATING VALVE
At t h e wor kin g pr essu r e r egu la t in g va lve su r plu s
oil is diver t ed t o t h e lu br ica t ion pr essu r e r egu la t in g
va lve (1) (F ig. 118), fr om wh er e t h e lu br ica t ion pr es-
su r e (p-Sm ) is u sed in r egu la t ed a m ou n t s t o su pply
t h e t r a n sm ission lu br ica t ion syst em in clu din g t h e
t or qu e con ver t er.
Fig. 118 Lubrication Pressure Regulating Valve
VA