Daedong CK22 - Valve Spring

2-63
DS35-W00 May. 2007
CLUTCHCLUTCH CLUTCHCLUTCH
CLUTCH
TRANSMISSIONTRANSMISSION TRANSMISSIONTRANSMISSION
TRANSMISSION
ENGINEENGINE ENGINEENGINE
ENGINE
FRONT AXLEFRONT AXLE FRONT AXLEFRONT AXLE
FRONT AXLE
STEERINGSTEERING STEERINGSTEERING
STEERING
BARKEBARKE BARKEBARKE
BARKE
ELECTRICELECTRIC ELECTRICELECTRIC
ELECTRIC
INDEXINDEX INDEXINDEX
INDEX
HYDRAULICHYDRAULIC HYDRAULICHYDRAULIC
HYDRAULIC
GENERALGENERAL GENERALGENERAL
GENERAL
REAR AXLEREAR AXLE REAR AXLEREAR AXLE
REAR AXLE
HSTHST HSTHST
HST
CK22/CK22H
Reference value
Allowable limit
196W2B9A
35.1 ~ 35.6 mm
1.382 ~ 1.402 in.
34.8 mm
1.37 in.
7.2.2 VALVE SPRING
A. CHECKING VALVE SPRING FREE LENGTH
1. Measure the spring with a set of vernier calipers.
2. If the measurement exceeds the allowable limit,
replace.
B. CHECK VALVE SPRING SQUARENESS
1. Put the spring on a surface plate, place a square on
the side of the spring, and check to see if the entire
side is in contact with the square.
2. Rotate the spring and measure the maximum A.
3 If the measurement exceeds the allowable limit,
replace.
• The flat surface at the end of the spring coil must
exceed the full circumference by two-thirds.
• Check the entire surface of the spring for scratches.
Allowable limit
1.3 mm
0.051 in.
196W2C0A
C. CHECKING VALVE SPRING TENSION
1. Place the spring on a tester and compress it to the
same degree that it is actually compressed in the
engine. (31 mm, 12 in.)
2. Read the compression load on the gauge.
Reference value
Allowable limit
74 N / 31 mm
7.5 kgf / 31 mm
16.5 lbs / 1.22 in.
63 N / 31 mm
6.4 kgf / 31 mm
14.1 lbs / 1.22 in.
196W2C2A
ENGINE - SERVICING