Valtra 6550 - Page 780

727
Model Code Page
6000--8750 440 3
1. 11. 1998
44. Quick---shift gear, reverse shuttle
and 4WD clutch
1. 1. 1995
Mechanical reverse shuttle
Gear ratio:
--- f or w a rd s 1 : 1
--- b a c k w ar d s 2,5 % f a s te r
Synchronizing ring diam. ø 114 mm
Tightening torques
Reverse shuttle---gearbox 23 Nm.........................................................
Sealing compound used:
On contact surface between reverse shuttle---gearbox, Hylosil RTV Silicone Grade 102 black
HiTech shuttle
Number of friction discs/steel discs/ring springs in both clutches 9/9/9 pcs........................
Axial play of input shaft 0,2---0,6 mm...........................................................
Tightening torque of all shuttle bolts 23 Nm................................................
4 W D c l u t c h o n t r a c t o r s w i t h o u t o r w i t h 2 --- s t e p q u i c k --- s h i f t g e a r
Number of friction discs 10 pcs...........................................................
Number of steel discs 9 pcs............................................................
Cup springs (3 pcs), convexity 6,30 mm.....................................................
Clutch pressure (from low pressure circuit) 1,8 MPa...........................................
Setting s
Clutch pack clearance is adjusted by first tightening the output shaft nut and then unscrewing it one a turn.
4 W D c l u t c h o n t r a c t o r s w i t h 3 --- s t e p q u i c k --- s h i f t g e a r D e l t a P o w e r s h i f t o r w i t h o u t D P S
Number of friction discs 12 pcs...........................................................
Number of steel discs 11 pcs............................................................
Cup springs (4 pcs), convexity 8,5 mm.....................................................
Clutch pressure (from low pressure circuit) 1,8 MPa...........................................
Setting s
Clutch pack clearance is adjusted by first tightening the output shaft nut and then unscrewing it one and a half turn.