T26.50-0020-09
Components on input side
1 Main shaft
18 Circlip, cylindrical roller bearing inner race
19 Cylindrical roller bearing roller cage
20 Cylindrical roller bearing inner race
21 6th gear synchronizer ring
22 6th gear synchronizer cone
23 Thrust spring
24 5th/6th gear synchronizer body
25 5th/6th gear sliding sleeve
26 Circlip
27 5th gear wheel needle cage
28 5th gear wheel
29 Synchronizer cone, 5th gear gearwheel
30 Synchronizer ring, 5th gear gearwheel
31 Thrust spring
32 4th gear wheel needle cage
33 4th gear wheel
34 4th gear wheel synchronizer ring
35 4th gear wheel synchronizer cone
36 Thrust spring
37 3rd/4th gear synchronizer body
38 3rd/4th gear sliding sleeve
39 Circlip
40 3rd gear wheel needle cage
41 3rd gear gearwheel with synchronizer ring
42 3rd gear wheel synchronizer cone
43 Thrust spring
44 Spacer washer
45 Collared bushing
T26.50-0021-06
Components on output side
1 Main shaft
2 Reverse gear wheel needle cage
3 Reverse gear wheel bush
4 Reverse gearwheel
5 Reverse gear synchronizer body
6 Reverse gear sliding sleeve
7 1st gear wheel needle cage
8 1st gear wheel with synchronizer ring
9 1st gear wheel synchronizer cone
10 Thrust spring
11 1st/2nd gear synchronizer body
12 1st/2nd gear sliding sleeve
13 Circlip
14 2nd gear wheel needle cage
15 2nd gear wheel with synchronizer ring
16 2nd gear wheel synchronizer cone
17 Thrust spring
| Disassemble/assemble | ||
1 | Remove main shaft (1) | ||
2 | Place or clamp main shaft (1) in a suitable fixture | ||
3 | Remove circlip (18) from inner race of cylindrical roller bearing (20) | ||
4 | Remove cylindrical roller bearing roller cage (19) from cylindrical roller bearing inner race (20) of main shaft (1) | ||
5 | Remove 6th gear synchronizer ring (21) together with 6th gear synchronizer cone(22) | ||
6 | Remove circlip (26) from 5th/6th gears synchronizer body (24) | Assembling: Check end play of circlip (26) with a feeler gage , select a circlip (26) with correct thickness if necessary. Aim for a setting without play. | |
7 | Remove 5th/6th gear sliding sleeve (25) | ||
8 | Pull 4th gear gearwheel (33) from main shaft (1) together with 5th gear gearwheel (28) and 5th/6th gears synchronizer body (24) | Disassembly: Place puller on 4th gear gearwheel (33). | |
9 | Remove 5th/6th gear synchronizer body (24) | ||
10 | Remove thrust plate (44) | ||
11 | Remove 5th gear gearwheel (28) together with synchronizer ring (30) and synchronizer cone (29) | ||
12 | Remove 5th gear wheel needle cage (27) | Assembling: Oil needles in needle cage. | |
Danger! | Risk of injury to skin and eyes caused by handling hot or glowing objects. | Wear safety gloves, protective clothing and safety glasses, if necessary. | |
13 | Remove collared bushing of 5th gear gearwheel (45) | Assembling: Heat collared bushing of 5th gear gearwheel (45) to approx. 120° C with heating plate and place on main shaft (1). | |
14 | Remove 4th gear wheel (33) with synchronizer ring (34) and synchronizer cone (35) | ||
15 | Remove 4th gear wheel needle cage (32) | Assembling: Oil needles in needle cage. | |
16 | Remove circlip (39) from 3rd/4th gears synchronizer body (37) | Assembling: Check end play of circlip (39) with a feeler gage , select a circlip (39) with correct thickness if necessary. Aim for a setting without play. | |
17 | Remove 3rd/4th gears sliding sleeve (38) and 3rd/4th gears synchronizer body (37) | ||
18 | Remove 3rd gear wheel (41) with synchronizer ring and synchronizer cone (42) | ||
19 | Remove 3rd gear wheel needle cage (40) | Assembling: Oil needles in needle cage. | |
Danger! | Risk of injury to skin and eyes caused by handling hot or glowing objects. | Wear safety gloves, protective clothing and safety glasses, if necessary. | |
20 | Pull off inner race of cylindrical roller bearing (20) | Assembling: - Heat up cylindrical roller bearing inner race (20) using heating plate to approx. 120° C and place on main shaft (1). - Oil outer surface of cylindrical roller bearing inner race (20). | |
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21 | Remove reverse gear gearwheel (4) and needle cage of reverse gear gearwheel (2) | Assembling: Oil needles in needle cage. | |
22 | Remove sliding sleeve of reverse gear (6) | ||
23 | Pull bush of reverse gear gearwheel (3) and reverse gear synchronizer body (5) from main shaft (1) together with 1st gear gearwheel (8) and synchronizer ring and synchronizer cone (9) | ||
Danger! | Risk of injury to skin and eyes caused by handling hot or glowing objects. | Wear safety gloves, protective clothing and safety glasses, if necessary. | |
24 | Remove bush of reverse gear gearwheel (3) and reverse gear synchronizer body (5) | Assembling: Heat bush of reverse gear gearwheel to approx. 120 ° C with heating plate before pushing onto main shaft. | |
25 | Remove 1st gear gearwheel (8) together with synchronizer ring and synchronizer cone (9) | ||
26 | Remove 1st gear wheel needle cage (7) | Assembling: Oil needles in needle cage. | |
27 | Remove circlip (13) of 1st/2nd gears synchronizer body (11) from main shaft (1) | ||
28 | Remove 1st/2nd gear sliding sleeve (12) | ||
29 | Remove 1st/2nd gears synchronizer body (11) together with 2nd gear gearwheel (15) and synchronizer ring and synchronizer cone (16) | It may be necessary to use a puller . | |
30 | Remove 2nd gear wheel needle cage (14) | Assembling: Oil needles in needle cage. | |
31 | Disassemble 1st/2nd/3rd gears synchromesh | - Remove annular spring (10, 17, 43) from synchronizer ring integrated in each gear wheel. - Remove synchronizer cone (9, 16, 42) from gear wheel (8, 15, 41). | |
32 | Disassemble 4th/5th/6th gear synchronizer | - Press synchronizer ring (30, 34) off gear wheel (28, 33). - There may be a spacer washer (44) between the 4th gear wheel (28) and the synchronizer ring (30). - Press off and remove annular spring (36, 31, 23) from synchronizer ring (34, 30, 21). - Remove synchronizer cone (35, 29, 22) from synchronizer ring (34, 30, 21). | |
33 | Clean all parts and check for wear, renew if necessary. | ||
34 | Assemble in the reverse order |
Test specifications for shafts
Number | Designation | Transmission | |
BE26.50-N-1002-03B | Play of locking ring in annular groove on main shaft | mm | 0...0.08 |
000 589 65 33 00
Puller
Puller
001 589 19 33 00