Background Image
Table of Contents Table of Contents
Previous Page  193 / 1588 Next Page
Information
Show Menu
Previous Page 193 / 1588 Next Page
Page Background

48

486 PL ENGINE

P

Connecting Rods :

Inspect connecting rod small end bush and if

necessary remove it.

Check for connecting rod small end parent bore

dimension. Fig. 109

If necessary machine connecting rod small end

parent bore to next over size.

CAUTION :

The connecting rod big end and small end should

be parallel to each other. The parallality should be

within specified limits.

Install connecting rod bearing caps without bearing

shells on the connecting rod.

Tighten connecting rod bearing cap mounting nuts

to specified torques. Fig. 110

Warning : Ensure that identification numbers for

connecting rod and connecting rod bearing cap are

matched and notches for bearing shells are on the

same side.

Check for twist and bend.

Use a new piston pin in connecting rod small end

bush.

Now measure twist and bend of connecting rod with

feeler gauge with respect to ver tical face of

connecting rod alignment gauge, in vertical and

horizontal plane at a distance of 50 mm from line

joining centres of connecting rod small end and big

end bosses.

If required, straighten connecting rod in cold

condition.

CAUTION :

Connecting rods are NOT to be heated for

straightening.

Fig. 110

Fig. 109