Table 4. Carrier Engine Repair and Replacement Standards-Continued
Manufacturer's
dimensions and
Desired
Maximum
Maximum
tolerances in
clearance
allowable
allowable
inches
wear
clearance
Min.
Max.
Min.
Max.
CARRIER ENGINE-Continued
Valves, Intake and Exhaust
Overall length -------------------------------- ---------------
7.25
Stem dia:
Intake-------------------------------- --------------------
0.4965
Exhaust -------------------------------- -----------------
0.4966
Head dia-------------------------------- ----------------------
2.245
2.255
Seat angle -------------------------------- -------------------
45
Angle of valve face-------------------------------- ---------
45
Stem clearance limit:
Intake-------------------------------- --------------------
0.002
0.0040
Exhaust -------------------------------- -----------------
0.0035
0.0060
Valve Springs
Outside diameter:
Outer -------------------------------- --------------------
1.8875
1.9075
Inner -------------------------------- ---------------------
1.56S0
1.8750
Wire gage:
Outer -------------------------------- --------------------
0.225
Inner -------------------------------- ---------------------
0.172
Spring length, valve closed:
Outer -------------------------------- --------------------
2 3/4
Inner -------------------------------- ---------------------
2 19/82
Spring load, valve closed:
Outer -------------------------------- --------------------
85-95
lbs
Inner -------------------------------- ---------------------
41-49
lbs
Wear limits, min wgt:
Outer -------------------------------- --------------------
77 lbs
Inner -------------------------------- ---------------------
37 lbs
Spring length, valve open:
Outer -------------------------------- --------------------
2 3/16
Inner -------------------------------- ---------------------
2 1/32
Spring load, valve open:
Outer -------------------------------- --------------------
192-208
lbs
Inner -------------------------------- ---------------------
96-105
lbs
Wear limit, min wgt:
Outer -------------------------------- --------------------
173 lb
Inner -------------------------------- ---------------------
86 lbs
Cylinder dia-------------------------------- ------------------
5.375
5.377
0.008
Main bearing bore in block-------------------------------
4.002
4.003
Tappet hole dia -------------------------------- -------------
0.6089
0.6101
0.0020
Section II. GENERAL SERVICING AND REPAIR INSTRUCTIONS
different assemblies throughout the crane-shovel.
288. General
Procedures for the removal, inspection, repair, and
This section contains general servicing and repair
reassembly or installation of these items apply regardless
instructions that are common to similar items used in
AGO 6819A
193
