E
BACKLASH MEASUREMENT (F15A/F9.9C)
LOWR
BACKLASH MEASUREMENT (F15A/F9.9C)
NOTE:
9
Do not install the water pump compo-
nents when measuring the backlash.
9
Measure both the forward and reverse
gear backlashes.
9
If both the forward and reverse gear back-
lashes are larger than specification, the
pinion gear may be too high.
9
If both the forward and reverse gear back-
lashes are smaller than specification, the
pinion gear may be too low.
9
If either of these conditions exist, then
check the pinion gear shim(s) selection.
Forward gear
1. Measure:
9
Forward gear backlash
Out of specification
→
Adjust.
Measurement steps:
8
Position the bearing housing puller
so that it pushes against the propeller
shaft.
8
Set the lower unit upside down.
6-23
Forward gear backlash:
0.19 ~ 0.86 mm (0.007 ~ 0.034 in)
Bearing housing puller claw:
YB-06234/90890-06503
Universal puller:
YB-06117
Stopper guide plate:
90890-06501
Center bolt:
90890-06504
Center bolt:
5 Nm (0.5 m•kg, 3.6 ft•lb)