6-44
Lower Unit
TLDI 115A 2007
7.
Select proper thickness of shim based on the backlash
measured with dial gauge and on the table shown.
0.00 - 0.11
(0.00 - 0.0043)
-0.10
(0.0040)
0.12 - 0.23
(0.0048 - 0.0091)
-0.05
(0.0020)
0.24 - 0.48
(0.0095 - 0.0189)
0.00
0.49 - 0.59
(0.0193 - 0.0232)
+0.05 (0.0020)
0.60 - 0.74
(0.0236 - 0.0291)
+0.10 (0.0039)
0.75 - 0.89
(0.0295 - 0.0351)
+0.15 (0.0059)
0.90 - 1.04
(0.0355 - 0.0410)
+0.20 (0.0079)
1.05 - 1.20
(0.0414 - 0.0473)
+0.25 (0.0100)
1.21 - 1.35
(0.0477 - 0.0532)
+0.30 (0.0118)
1.36 - 1.50
(0.0536 - 0.0591)
+0.35 (0.0138)
1.51 - 1.65
(0.0595 - 0.0650)
+0.40 (0.0157)
1.66 - 1.81
(0.0654 - 0.0713)
+0.45 (0.0177)
1.82 - 1.96
(0.0717 - 0.0772)
+0.50 (0.0197)
1.97 - 2.11
(0.0776 - 0.0831)
+0.55 (0.0217)
2.12 - 2.26
(0.0835 - 0.0890)
+0.60 (0.0240)
Proper Backlash :
0.24 - 0.48 mm (0.0094 - 0.0189 in)
· Confirm dial gauge reading and adjust
backlash by using thickness of shim selected.
· Measure backlash several times while
changing gear teeth contact position.
· When measuring backlash, make drive shaft
pulling up force equal among the measurements.
This work can be made easier when the opening
of gear case of propeller shaft side is faced
upward and fixed horizontally with a holder.
5.
Attach backlash measuring tool clamp
w
to drive shaft.
6.
Turn drive shaft
9
clockwise / counterclockwise slowly
while pulling it up, and read change of dial gauge
e
indication.
90
°
9
w
r
w
Backlash Measuring Tool Clamp
w
:
P/N. 3B7-72720-0
Dial Gauge
e
:
Commercially Available Item
Magnetic Stand
r
:
Commercially Available Item
When measuring, contact dial gauge tip to inside
of V groove located in the clamp ass'y.
8.
Add shim
a
into the gap between forward (A) gear
t
and
taper roller bearing
y
if necessary.
CAUTION
For removal or installation of taper roller
bearing, refer to;
"Disassembly of Forward (A) Gear" or
"Assembly of Forward (A) Gear"
respectively.
Types of Shims
a
:
0.1 mm (0.0039 in) P/N. 3B7-64016-0
0.15 mm (0.0059 in) P/N. 3B7-64015-0
y
a
Shim
t
Dial Gauge Reading : mm (in)
Shim Thickness : mm (in )
+ means addition of shim/-
means removal of shim
MD115A̲ch06̲E̲2校̲070604.qxd 07.6.6 6:34 PM ページ 44
Содержание TLDI MD 115A SERIES
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