Ref. Ref. Chart New Old 
619 611  S1-S2-S3-S5-S6-S7-S9-S10-T2-T3-AF 
620 531  ALL 
ALL
ALL 621 532 ALL 622 612 ALL 
612 ALL 623 533 A-B-D-G-J-Y-S-T 
S1-S2-S3-S5-S6-S7-S9-S10-T2-T3-AF
624 535  A-B-J 
625 971  A 
ALL 
ALL EXCEPT 0-235 
ALL
. 
Nomenclature  Dimensions  
Mfr.  
Min.  Serv.  
&  Max.  
Max.  
Finished I.D. of Valve Rocker  
Shaft (Bushing) in Cylinder Head (Angle Valve Heads)  .6246 .6261  .6270  
Valve Rocker Shaft and Valve  
Rocker Bushing  
Finished I.D. of Rocker Arm  .6252  
Bushing  .6263  .6270  
O.D. Valve Rocker Shaft  .6241  
.6245  .6231  
Valve Rocker Bushing and Valve Rocker  BushingMust Be Burnished In Place  
ValveRocker Shaft Bushingand Cylinder Head  
Valve Rocker Shaft Bushing Hole in Cylinder Head  .7380 .7388  
Valve Rocker and CylinderHead -Side Clearance  
(ParallelValve Heads)  
Valve Rocker and Cylinder Head -Side Clearance  
(Angle ValveHeads)  
Push Rod and Ball End 
Intake and Exhaust Valve .705 Guide Height .725 
Intake Valve Guide Height .705 (Parallel Valve Heads) .725 
Exhaust Valve Guide Height .765 (Parallel Valve Heads) .785 
Intake and Exhaust Valve Guide Height (Angle Valve .914 Heads) .954 
MEASUREVALVE GUIDE HEIGHT FROM THE VALVE SPRING SEAT COUNTERBOREIN THE CYLINDER HEAD TO THE TOP OF VALVE GUIDE. 
Clearances 
Mfr.  
Min.  Serv.  
&  Max.  
Max. 
.0007L .0017L .004L 
.0022T .0038T  (A)  
.005L .013L  .016L  
.002L .020L .0005T .0025T  .024L (A) 
SSP1776 
1-11
SERVICE TABLE OF LIMITS PART 1 DIRECT DRIVE ENGINES SECTIONII CYLINDERS 
Cylinder, Piston and Valve Components 
1-12
SSP1776 
PART 1 DIRECT DRIVE ENGINES 
SECTIONII CYLINDERS
0-235 TYPE 
PARALLELVALVEHEAD 
619-
ANGLE VALVE HEAD
Cylinder, Piston and Valve Components SSP1776 1-13 
SERVICE TABLE OF LIMITS PART 1 DIRECT DRIVE ENGINES SECTIONIII GEAR TRAIN SECTION-OIL PUMP 
Ref. Ref. Chart New Old 
700 545  ALL 
701 601  A-B-D-G-J-S-T-AF Y BD-BE 
702 980 S-T-AF (DUALMAGNETO) BD-BE 703 542 A-B-D-G-J-S-T-Y-AF BD-BE 704 543 ALL (Except BD-BE) BD-BE APPLICABLE AS APPLICABLE AS APPLICABLE BD-BE 705 544 S-T-AF 
(DUALMAGNETO) 
A-B-D-G-J-S-T-Y-AF BD-BE
706 558  A-B-D-G-J-S-T-Y-
558 AF
BD-BE 
S-T-AF 
(DUALMAGNETO)
707 602  A-B-D-G-J-S-T-Y-AF 
 
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址:莱康明发动机大修手册 OVERHAUL MANUAL LYCOMING 76 SERIES AIRCRAFT ENGINES(59)