SERVICE MANUAL
LUBRICATING OIL PUMP, OIL FILTERS & COOLER
Section 8
CLEANING, INSPECTION AND REPAIR
CLEANING
Clean all Parts as Follows:
1.
Wash all parts thoroughly in an oil solvent.
2.
Dry with compressed air.
INSPECTION
Inspect the 011 Lubricating Pump as follows:
1.
Visually inspect the rotors, housing and housing
plate for nicks, burrs, scoring or unusual wear.
Replace parts which are worn or damaged.
NOTE: The inner and outer rotors are a matched set
and cannot be replaced separately.
2.
Check the radial clearance between the outer
rotor (1, Fig. 9), and the pump housing (2) with a
feeler gauge, as shown.
0.140 mm (0.0055 In.)
0.241 mm (0.0095 in.)
limits must be maintained.
Figure 9. - Checking Radial Clearance
1.
Outer rotor
2.
Pump housing
3.
Check the end clearance, using Plastigage as
follows:
a.
Place a strip of Plastigage (3, Fig. 10) onto
rotors and cover with housing, using a new
"O" ring in groove.
b.
Secure housing to front cover.
c.
Remove
housing
and
measure
the
Plastigage.
d.
0.0508 mm (0.002 in.) 0.1219 mm (0.0048
in.) limits must be maintained.
e.
Remove the Plastigage and outer rotor (1).
Figure 10. - Checking End Clearance
1.
Outer rotor
2.
Inner rotor
3.
Plastigage
CGES-185-3
PRINTED IN UNITED STATES OF AMERICA
Page 8
