Tennant T290, Руководство по обслуживанию

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PLDC04452
REVISION 00
December 23, 2020
TECHNICAL OFFICE
Stavale
14
Unscrew the four bolts that fasten the two self-aligning bearings D fitted on the "L" support brackets.
15
Unscrew the four nuts that fasten the two bearings with flanges E fitted on the machine's chassis.
16
Take the reduction drive to the bench and unscrew the four dowels F that lock the shaft to the bearings D .
17
Continue dismantling the other four dowel pins G that lock the shaft to the bearings E.
18
Replace the old reduction drive with a new one.
1
To assemble the new reduction drive, complete the dismantling operations in reverse.
2
Make sure that the dowel pins G and F are sufficiently loosened, so as to not impede
the assembly of the bearings on the half-axles of the new reduction drive.
3
Assemble the bearings D and E on the shaft, ensuring they are inserted in the right direction.
4
Respect the assembly positions of the bearings D with the "L" brackets.
5
Position and tighten, max. torque 25.5 Nm / ~ 226 lbf in the two bearings with flanges E on the chassis.
6
Adjust the distance of the end of the half-axles from the edge of the bearings with flange E
to ~ 53 mm / ~ 2,1 in.
7
Tighten the dowel pins G to lock the half-axles, maximum torque 7 Nm / ~ 62 lbf in.
8
Screw on without tightening the four bolts that fasten the self-aligning bearings D to the "L" brackets.
9
Tighten the dowel pins F to lock the half-axles, maximum torque 7 Nm / ~ 62 lbf in.
10
Tighten the four bolts to a maximum torque of 25.5 Nm / ~ 226 lbf in.
11
Tighten the bolt A to lock the reduction drive to the chassis, maximum torque 10 Nm / ~ 88,5 lbf in.
12
Connecting the motor electrically, see paragraph C 3.2.
13
Fit the wheels on the shaft, as described in paragraph C 2.4.
Reassembly
D
D
E
E
G
E
F
Fig. 106
Fig. 107
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