Mitsubishi Heavy Industries BD2GII Service Manual page 51

TESTING AND ADJUSTING
DD transmission
Complaint Possible cause
V
Remedy
Gears slip out of mesh. (1) Incomplete meshing action due to Disassemble
and
repair or
improperly assembled shift
V
replace.
control mechanism
(2) Inner end of shift lever worn Repair or replace.
down or loose
(3)
V
Gear teeth unevenly worn Replace.
(4) Backlash too large Replace gears.
V
(5) Shaft splines badly worn, result- Replace.
..
inginloosefit
V V
I~ard shifting. (1) Dragging clutch Adjust clutch.
(2) Shift lever or forks loose or worn Repair or replace.
(3) Foreign matter lodged between
°
Clean by washing.
gears
(4) Oil viscosity too high Change with oil of proper
viscosity.
(5) End faces of gear teeth damaged Repair or replace.
(6)
Distorted. or broken forks Repair or replace.
Noisy. (1) Not enough oil, or oil dirty Add or change.
(2) Backlash too large Change gears.
(3) Worn, damaged or rattling Adjust or replace.
bearings
(4) Excessively worn shaft splines Repair or replace.
(5) Damaged or worn gear teeth, or Repair or replace.
improper tooth contact
V
(6) Bevel gear out of adjustment Adjust.
(7) Gears out of alignment, or teeth Adjust, or replace.
distorted