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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