Table 1-1. Repair and Replacement Standards

Table 1-1. Repair and Replacement Standards

Max

allowable

Component

wear and

Desired

clearance

clearances

Minimum

Maximum

Engine:

0.0032

0.0042

Piston to cylinder clearance at piston skirt thrust faces

0.010

0.020

Piston ring gap (compressed)

Piston ring side clearance in grooves:

0.002

0.004

Top ring

0.0015

0.0035

Scraper ring

0.00

0.003

Oil ring

0.009

0.016

Connecting rod to crank pin side clearance

0.0005

0.0020

Connecting rod shell bearing to crank pin clearance

0.0000

0.0003

Piston pin to piston clearance

0.0003

0.0006

Piston pin to connecting rod bushing clearance

NOTE

The thrust face on the piston skirt is 90 from the axis of the

piston pin hole.

e . W i r i n g D i a g r a m . S e e figure 1-1 and 1 - 2 f o r

wiring diagrams of generator set.

Figure 1-1. Practical wiring diagram.

1-2