Page 869 - Workshop Manual - Aumark (BJ1051)

31A-23
Transmission (646b/651b)-transmission assembly

5. Transmission breaking-in specification and test
(a). The rotation speed shall be about 1,500 r/min, the temperature of the oil shall not be less than 15 ℃; no load; the
operation in neutral gear shall not be less than 15 minutes, and the operation in other gears shall not be less than 20
minutes.
(b). Check whether the gearshift is flexible and whether the meshing of gear is completed, no impact sound shall be
produced by the gear during the gearshift.
(c). The gearshift level of the transmission shall not have distinct shake.
(d). No abnormal grinding noise and impact sound shall be produced during the test of transmission.
(e). The transmission shall not leak oil.

(f). Drain the transmission oil out and clean the inside of the transmission thoroughly after completing the braking-in

31A

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