VO-435-BIA
Starter Drive SSP1776 4-23
SERVICE TABLE OF LIMITS
PART IV VERTICAL ENGINES SECTIONIII GEAR TRAIN
7053
7055
VO,TVO-435-A & VO, TVO-540
VO-540
Accessory Drives 4-24
SSP1776
SERVICE TABLE OF LIMITS
PART IV VERTICAL ENGINES
SECTION IV BACKLASH
Ref. Ref. Chart Nomenclature Dimensions Clearance
Mfr. Mfr.
New Old Min. Serv. Min. Serv.
& Max. & Max.
Max. Max.
Oil Pump Impellers .005
.015 .020
Oil Pump and Scavenge Pump .008
Impellers .015 .020
Crankshaft Timing Gear and .004
Camshaft Gear .015 .020
Electric Tachometer Drive Gear
(Magneto Idler Hub) and .004
Tachometer Driven Gear .015 .020
Generator Drive Gear and .004
Magneto Drive Idler Gear .015 .020
Magneto Drive Shaft (Spline)
and Magneto Drive Shaftgear .001
(Spline) .005 .008
Magneto Drive Shaftgear
(Spline) and Magneto Drive .001
Coupling (Spline) .005 .008
Magneto Drive Shaft (Spline)
and Magneto Drive Coupling .001
(Spline) .0045 .0075
Rear Crankshaft Spline
Bushing and Accessory Gear .002
(Spline) .0073 .018
Rear Crankshaft Spline
Bushing and Accessory Drive .004
Quill Shaft (Spline) .0073 .018
Rear Crankshaft Spline
Bushing and Accessory Drive .002
Shaft (Spline) .0073 .018
Accessory Drive Gear and .004
Starter Drive Gear .008 .015
Accessory Drive Gear and .002
Starter Drive Gear .016 .022
Starter Drive Shaftgear and .000
Starter Drive Gear (Spline) .002 .004
Accessory Drive Gear and .004
Generator Drive Gear .015 .020
Alternator Drive Shaft
(Spline) and Vacuum and .001
Magneto Drive Shaft (Spline) .004 .006
Alternator Drive Shaft
(Spline) and Alternator .001
(Spline) .005 .007
Accessory Drive Gear and .004
Vacuum Pump Shaftgear .015 .020
4-25
SERVICE TABLE OF LIMITS PART IV VERTICAL ENGINES
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