B2CB1GK1 - 406D9 ML5T GEARBOX

DESCRIPTION IDENTIFICATION ML5T

1 - IDENTIFICATION

(A) = Label .

(B) = Engraving .

(1) = Drain plug .

(2) = Filler and level plug .

2 - DESCRIPTION

(1) input shaft .

(2) release bearing guide .

(3) Clutch housing .

(4) gearbox casing .

(5) Oil guide spout .

(6) Input shaft bearing adjustment shim .

(7) driving gear : 5th .

(8) output shaft .

(9) driven gear : 1st .

(10) planet wheels .

(11) speedometer drive gear .

(12) Speedometer gear .

(13) sun wheels .

(14) differential box .

(15) Differential crown wheel .

(16) Differential bearing stop plate .

(17) 1st/2nd synchroniser and reverse driven gear .

(18) driven gear : 2nd .

(19) driven gear :3rd .

(20) 3rd/4th synchroniser .

(21) driven gear :4th .

(22) driven gear :5th .

(23) synchroniser : 5th .

(24) 5th speed casing .

3 - TIGHTENING TORQUES

(2) Reverse lamp switch : 2,5 da.Nm .

(3) Slave cylinder securing plate : 2,5 da.Nm (Gearbox type : 20LE00-20LE06) .

(4) Selection relay lever : 4 da.Nm .

(5) Bolt(s) M8 (Differential casing securing) : 2 da.Nm .

(6) Bolt(s) M10 (Differential casing securing) : 4 da.Nm .

(7) Magnetic plug : 3 da.Nm .

(8) Differential bearing stop plate : 2 da.Nm .

(9) Gearbox casing fastening - Clutch housing : 2 da.Nm .

(10) Gearbox cover fastening - Gearbox casing : 2 da.Nm .

(11) Speedometer gear bracket : 1,5 da.Nm .

(35) Output shaft nut : 17 da.Nm .

(36) Gearbox control bracket bolts : 1,5 da.Nm .

(37) Crownwheel bolts : 7,5 da.Nm .

(38) Retaining plate fixing bolts : 2 da.Nm .

(39) Fork securing bolts (5th) : 2 da.Nm .

4 - SPECIAL FEATURES

4 - 1 - GEARBOX

This gearbox has a reverse brake .

4 - 2 - SYNCHRONISERS (NEW DESIGN)

Description :

(40) double synchroniser
(41) 1/2 sleeve
(42) synchroniser cones
(43) synchroniser hub
(44) 1st speed gear
(45) 2nd speed gear
(46) output shaft
(47) circlip

5 - GEAR CHANGE PREVENTION : 5TH - REVERSE

5 - 1 - IDENTIFICATION

Change from 5 th to reverse is prevented by means of the plate (1) and the finger (2) .

5 - 2 - POSITION OF THE FINGER FOR EACH GEAR

Neutral .

1st .

2nd .

3rd .

4th .

5th .

Reverse .

5 - 3 - ENGAGEMENT OF 5 TH OR REVERSE

When selecting the 5 th - reverse line, the finger (2) pushes the retractable cam (3); once the desired gear is engaged, the cam is returned to its position by the spring (4) .

5 - 4 - GEAR CHANGE PREVENTION : 5TH - REVERSE

When changing down from 5 th to 4 th, the finger (2) contacts the cam (3) which contacts the plate (1) at (A) and prevents engagement of reverse, The slope (B) of the cam directs the finger towards 4 th .

5 - 5 - GEARBOX AND DIFFERENTIAL CASINGS

Components can be replaced individually, provided that the input shaft bearing is re-adjusted .