BIGFOOT GEAR HOUSING
Page 6B-50 90-828631R3 MARCH 1999
4. Rotate driveshaft 5 to 10 revolutions. This should properly seat forward gear tapered
roller bearing.
5. Install components as shown.
51117
a
b
d
e
f
c
c
a-Threaded Rod (Obtain Locally)
b-Washers
c-Nuts
d-Dial Indicator Adaptor Kit (91-83155)
e-Dial Indicator (91-58222A1)
f-Backlash Indicator Tool
6. Position Dial Indicator on appropriate line (from chart) marked on Backlash Indicator
Tool.
MODEL
BACKLASH INDICATOR
TOOL
ALIGN POINTER OF DIAL INDICATOR
WITH MARK
40/50 Bigfoot
(4-Stroke)
91-78473
4
60 Seapro/60 Mara-
thon/60 Bigfoot
91-78473
4
75-thru-90
(3 Cylinder)
91-78473
4
100/115/125
(4 Cylinder)
91-19660--1
1
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