| Tweet |
Custom Search
|
|
|
||
 TM 55-1905-223-24-5
b.
Inspect bearing supports, for cracks to the thrust surface. Replace if damaged.
c.
Scrape the gasket surfaces on the gear cover and steam clean the cylinder block before
installing the cover assembly.
REPLACEMENT
a.
Install one 7/16-20 x 4 inch guide stud in each side of the gear cover mounting flange to align
the cover.
b.
Install the gear cover gasket over the guide studs and the dowel pins.
NOTE
Use a film of Lubriplate 105 or its equivalent or grease to hold the gear cover gasket in place,
if necessary.
c.
Install the gear cover and the mounting capscrews. Tighten the capscrews to 50 ft-lb torque.
d.
Cut the ends of the gasket off even with the oil pan mounting flange.
e.
Mount a dial indicator on the front face of the crankshaft. Put the indicator plunger (FIGURE
f.
Rotate the crankshaft one complete revolution while monitoring the indicator. The tool
indicator reading must not exceed 0.010 inch (0.25 mm).
g.
If the total indicator reading exceeds 0.010 inch (0.25 mm), remove the gear cover. Check
the cover and the housing for nicks or burrs; remove with file.
h.
Scrape the gasket surfaces and clean the gear cover and the housing thoroughly with steam.
i.
Repeat the gear cover installation procedure, and check the total indicator reading again.
j.
Install the camshaft bearing support as follows:
(1)
Install the support bearing in the bore of the gear cover. Do not install the preformed
packing on the support at this time.
(2)
Push the support against the camshaft so the camshaft gear rests against the camshaft
thrust washer.
(3)
Hold the support against the camshaft, and use a feeler gauge to measure the space
between the gear cover flange and the support bearing (FIGURE 3-52).
3-73
|
||
|
||
