333
GEARCASE SERVICE, 75 – 90 HP MODELS
DRIVESHAFT SHIMMING
12
DRIVESHAFT SHIMMING
If a new pinion gear is needed,
replace gear set before shimming.
Pinion gear backlash is achieved by using shims
between the driveshaft bearing housing and the
thrust washer. When installing a new thrust bear-
ing or washer, bearing housing, pinion, or drive-
shaft, it is necessary to properly shim the
assembly to restore factory clearance.
Use Driveshaft Shimming Tool, P/N 5005925
(replaces P/N 393185).
Shim gauge bars are precision made and should
be handled carefully. The length of each bar is
stamped near the part number. This dimension is
0.020 in. (0.508 mm) shorter than the actual
shimmed length of the driveshaft.
IMPORTANT:
Clean pinion and driveshaft
before assembly. Replace any damaged parts.
Assemble the driveshaft bearing housing, thrust
washer, thrust bearing, and pinion onto the drive-
shaft. Use Driveshaft Seal Protector, P/N 318674,
when installing or removing the bearing housing.
Lightly coat the threads of the pinion nut with out-
board lubricant and tighten to a torque of 100 to
110 ft. lbs. (136 to 149 N·m).
IMPORTANT:
The original pinion nut may be
used for shimming, but must
NOT
be used in final
assembly.
Select correct collar and shim gauge bar:
•
Collar: P/N 341440
•
Shim gauge bar: P/N 328367
Slide the collar onto the driveshaft with large end
in contact with the bearing housing.
Insert the assembled driveshaft into the tool base
and tighten preload screw against the driveshaft
until groove on the spring-loaded plunger is flush
with end of threads. Tighten locking ring on pre-
load screw.
Rotate the driveshaft several revolutions to seat
bearings.
Lay the tool base on its side. Position the shim
gauge bar against guide pins of the tool base.
Check squareness of the bearing housing mount-
ing surface by holding the shim gauge bar against
the pinion while rotating
just the bearing hous-
ing
. Use a feeler gauge to measure clearance
1.
Driveshaft bearing housing
2.
Thrust washer
3.
Thrust bearing
4.
Pinion
COA3565
NOTICE
2
4
1
3
1.
Collar
2.
Tool base
3.
Groove
COA3566
DSC00326
1.
Shim gauge bar
COA3567
1
3
2
1
Содержание EVINRUDE E-TEC BE50DPLABA
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Страница 124: ...124 ELECTRICAL AND IGNITION NOTES NOTES Technician s Notes Related Documents Bulletins Instruction Sheets Other...
Страница 226: ...226 POWERHEAD POWERHEAD VIEWS 2 Cylinder Port Dressed Powerhead 2 Cylinder Starboard Dressed Powerhead 008428 008159...
Страница 227: ...227 POWERHEAD POWERHEAD VIEWS 10 2 Cylinder Port Rope Start Models 2 Cylinder Starboard Rope Start Models 008370 008185...
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Страница 231: ...POWERHEAD POWERHEAD VIEWS 231 10 2 Cylinder Top Rope Start Models 008186...
Страница 232: ...232 POWERHEAD POWERHEAD VIEWS 3 Cylinder Port Hose Routings 3 Cylinder Starboard Hose Routings 006760 006761...
Страница 233: ...233 POWERHEAD POWERHEAD VIEWS 10 3 Cylinder Port Dressed Powerhead 3 Cylinder Starboard Dressed Powerhead 008163 008164...
Страница 234: ...234 POWERHEAD POWERHEAD VIEWS 3 Cylinder Front 008166...
Страница 235: ...235 POWERHEAD POWERHEAD VIEWS 10 3 Cylinder Rear 008167...
Страница 236: ...236 POWERHEAD POWERHEAD VIEWS 3 Cylinder Top 008165...
Страница 362: ...362 TRIM AND TILT NOTES NOTES Technician s Notes Related Documents Bulletins Instruction Sheets Other...
Страница 372: ...372 MANUAL STARTER NOTES NOTES Technician s Notes Related Documents Bulletins Instruction Sheets Other...
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