FUEL SYSTEM
TRUCK SERVICE MANUAL
Table 6-1-4: Injector Spring Data
Approximate
Wire
Load Required to Compress Springs to Length
Part
Free Length
No.
Dia.
Length
New Min.
New Max.
Worn Limit
No.
Inches [mm]
Coils
Inches [mm]
Inch [mm]
Lb. [kg]
Lb. [kg]
Lb. [kg]
166009
1.95 [49.7]
8
0.187 [4.75]
1.663 [42.2]
143,25 [65]
158.75 [72]
138 [63]
6.
Check socket for wear or cracking
Caution: Handle injector plunger with care to
prevent damage which could render it useless.
Injector Spring
1.
Check spring for excessive wear or mutilation.
2.
Test spring tension on spring tester, Fig.
6-1-15,
that is capable of very accurate measurements of
spring lengths and applied load by means of
standards and dial indicator gauge.
Table 6-1-4