Lovol KM/4L22 User Manual

MAINTENANCE MANUAL OF ENGINE
22
Inner valve spring
Installation length --------------------------------------------------------------------------- 35.3 mm
Load on installation length -----------------------------------------------------------------49±2.5 N
Number of effective coil turns--------------------------------------------------------------7
Coil turn direction----------------------------------------------------------------------------Left-handed
Outer valve spring
Installation length ---------------------------------------------------------------------------- 37.5mm
Load on installation length ------------------------------------------------------------------ 88.2±4.4N
Number of effective coil turns---------------------------------------------------------------5.25
Coil turn direction ----------------------------------------------------------------------------Right-handed
Push rod
Diameter of push rod --------------------------------------------------------------------------Φ13
-0.016
-0.027
mm
Diameter of hole for push rod in cylinder block -------------------------------------------Φ13
+0.018
0
mm
Clearance between push rod and hole in cylinder block ----------------------------------0.016-0.045mm
Rocker arm shaft
Outer diameter----------------------------------------------------------------------------------Φ16
-0.016
-0.034
mm
Rocker arm and bushing
Diameter of bushing installation hole-------------------------------------------------------Φ20
+0.021
0
mm
Outside diameter of bushing------------------------------------------------------------------Φ20
+0.068
+0.035
mm
Interference of bushing with rocker arm--------------------------------------------------- (-0.068)-(-0.014) mm
Inside diameter of bushing after reaming --------------------------------------------------Φ16
+0.018
0
mm
Clearance between rocker arm shaft and bushing------------------------------------------0.016-0.052 mm
Maximum permissible clearance between rocker arm shaft and bushing --------------0.052 mm
Camshaft
Diameter of shaft journal 1--------------------------------------------------------------------Φ26 mm
Diameter of shaft journal 2--------------------------------------------------------------------Φ26 mm
Diameter of shaft journal 3--------------------------------------------------------------------Φ26 mm
Clearance between shaft journal and bushing shell for all the journals------------------0.07-0.245 mm
Cam-lobe lift:
Intake valve -------------------------------------------------------------------------------------6.0474 mm
Exhaust valve----------------------------------------------------------------------------------- 6.0289 mm
Axial play:
Manufacturing limit --------------------------------------------------------------------------- 0.07-0.245 mm
Service limit ------------------------------------------------------------------------------------ 0.245 mm

Lovol KM/4L22 Specifications

General

Brand	Lovol
Model	KM/4L22
Category	Engine
Language	English