Engine distributors DSG-423 User Manual

DSG-423 GENERAL INFORMATION
01-33
Valve Guide Inner Diameter
1. Measure the inner diameter of the valve guides in
two directions where indicated.
2. If the valve guide is not within specifications, ream
the valve guide and install a valve with an oversize
stem or remove the valve guide and install a new
valve guide.
Valve Guide Reaming
1. Use a hand-reaming kit to ream the valve guide.
2. Reface the valve seat.
3. Clean the sharp edges left by reaming.
Valve Spring Installed Length
• Measure the installed length of each valve spring.
Valve Spring Free Length
• Measure the free length of each valve spring.
Valve Spring Out-of-Square
Measure the out-of-square on each valve spring.
• Turn the valve spring and observe the space
between the top of the valve spring and the square.
Replace the valve spring if out of specification.

Engine distributors DSG-423 Specifications

General

Brand	Engine distributors
Model	DSG-423
Category	Engine
Language	English