TM 55-1905-223-24-3
FIGURE 3-50. Install the Boring Tool.
(7)
Move the feed control lever to the "on" position. This will prevent the drive shaft from
moving down. Put the pump and boring tool in a vertical position. Make sure the boring tool
can cut completely through the bushing.
(8)
Install the drive adapter into a heavy duty 3/8 inch electric drill. Engage the adapter with the
drive shaft of the boring tool.
(9)
Start the drill and cut the bore in the bushings. Make sure you cut the bore in both bushings.
Do not push down on the drill. The feedmechanism in the boring tool will move the boring
bar.
(10)
Stop the drill. Move the feed control lever to the "off" position. Pull up on the drive shaft to
remove the tool bit from the bore.
(11)
Remove the boring tool from the pump body. Make sure the tool bit moves through the slot
in the guide bushing. Do not hit the tool bit against the guide bushing.
(12)
Remove the guide bushing. Clean the metal particles from the pump body.
(13)
Measure the bore in the bushings.
j.
Cut the bore in the bushings that are in the cover.
(1)
Repeat step i. (1) through (3) for the bushings in the body.
(2)
Install the pump cover to the body.
(3)
Put the pump on a workbench with the cover down.
(4)
Install the boring tool to the pump body. Use the long capscrews and nuts to fasten the tool
to the body.
(5)
Install the boring bar through the guide bushing. Do not damage the tool bit.
(6)
With the feed control lever in the "off" position, move the drive shaft down until the ool bit
t
touches the bushing in the cover.
3-96