Quantcast Removal. - TM-5-6115-440-340045

 

Click here to make tpub.com your Home Page

Page Title: Removal.
Back | Up | Next

Click here for thousands of PDF manuals

Google


Web
www.tpub.com

Home


   
Information Categories
.... Administration
Advancement
Aerographer
Automotive
Aviation
Construction
Diving
Draftsman
Engineering
Electronics
Food and Cooking
Logistics
Math
Medical
Music
Nuclear Fundamentals
Photography
Religion
   
   

 

Share on Google+Share on FacebookShare on LinkedInShare on TwitterShare on DiggShare on Stumble Upon
Back
Figure 3-26. Engine cylinder block, removal and installation.
Up
TM-5-6115-440-34 Generator Set 7.5 Kw 28V DC GED Air Cooled 2 Wheel Mtd Pnematic Tires Manual
Next
Figure 3-28. Engine valves, removal and installation.
reseat in a different position to insure uniform
b. Removal.
seating. After valves are properly lapped, remove
(1) Remove the cylinder block (para 3-24).
them from cylinder block and wash valves and
(2) Refer to figure 3-28 and remove the engine
block thoroughly in an approved cleaning solvent
valves.
( F E D - P D - 6 8 0 ) . Tag each lapped valve with its
(3) Remove valve guides and seats as shown
mated valve guide for proper assembly.
by step 1 and 2 figure 3-29.
(4) Inspect the valve springs (9) for damage
c. Disassembly. Refer to figure 3-30 and
and test for spring tension as follows:
disassemble the valves and attaching parts.
(a) Test tension of spring with a suitable
d. Cleaning.
spring tension tester.
(1) Clean the valve guide parts in the cylinder
(b) Compress each spring to 1.271 inches
blocks and blow out with compressed air.
and note reading on the tester. If reading is less
(2) Clean the valve seat insert recesses and the
than 51 pounds, replace spring.
top of cylinder block.
f. Reassembly.  R e f e r t o f i g u r e 3 - 3 0 a n d
e. Inspection and Repair.
reassemble the valves and attaching parts in reverse
(1) Inspect the valves (7, fig. 3-30) and seats
procedure of removal.
for burned, pitted, or cracked faces.
CAUTION
(2) The cylinder blocks have replaceable valve
guides. The valve stems should have a clearance of
Make certain valve spring seat locks (6)
0.0025 to 0.0045 inch in the guides. Replace valve
are
properly
seated
before
releasing
guides that exceed 0.008 inch clearance.
s p r i n g tension.
g. Installation.
( 3 ) Grind serviceable valves (7) and seat
inserts (10) to an angle of 45 degrees to the vertical
(1) Install valve guides and seats as shown in
steps 3, 4, and 5 figure 3-29.
center lines. After grinding, lap the valve and valve
(2) Refer to figure 3-28 and install the valves
seat insert with suitable lapping compound, to
in reverse procedure of removal.
provide proper fit.  C l e a n the valve and apply
lapping compound to the valve face. Insert the
(3) Install the cylinder block (para 3-24).
h. Adjustment. Adjust the valve tappets (TM 5-
valve in their valve guide (11) and lap by rotating
t h e valve back and forth with a reciprocating
advancing valve tool. Occasionally lift the valve
3-33

Privacy Statement - Press Release - Copyright Information. - Contact Us

Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business