Sunbeam ALPINE I SERIES: APLINE II SERIES, Workshop Manual, Page: 162 / 413

WSM. 124
Section E (Gearbox & Overdrive)
.fth
re-Issue
Pace 27
OVERDRIVE UNIT-DIMENSIONS AND TOLERANCES
Parts and Description Dimensions New
Pump ·
Plunger diameter
Bore for plunger in pump body
Plunger spring fitted load at top of
t·+·0008"
-·0002"
stroke 9 lbs. 7¾ ozs.
Pump plunger spring free length 2"
(9·525-·100 )
( -·020 mm.)
(9·525+·020
)
(
-·005 mm.)
(4·287 kgs.)
(51 mm.)
Clearance New
+·0016" ( +·040 mm.)
+·0002" (+·005 mm.)
Valve spring load
Pin for roller ...
3·15 lbs. at ,'r" long (1 ·428 kgs. at 14·29 mm.)
Bore for pin In roller
Gearbox Mainshaft
Shaft diameter at sunwheel bush
Sunwheel bush internal
Shaft diameter at rear steady
Torrington bearing
Piston Bores
Operating piston bore
Clutch
Clutch movement, -h" nominal
(1 ·6 mm.) from direct to overdrive
Clutch spring free length
¾"±·00025" (6·350±·006 mm.)
¼"+·002" (6·350+·050 mm.)
+·001" ( +-025 mm.)
-l"-·001"
-·002"
-an·
·878"
n"+·OOOO"
-·0005"
B·97
(22·225-·025 )
( -·050 mm.)
(22·276 mm.)
(22·301 mm.)
(14·288+·0000 )
(
-·013 mm.)
-1"±·0005" dia. (22·225±·013 mm.)
(42·342 mm.)
+·00225" (+·056 mm.)
+·00075" (+·020 mm.)
+·005" (+·127 mm.)
+·003" (+·076 mm.)