Enerpac VM43-LPS Instrucciones De Mantenimiento página 10

SPECIAL TOOLS
AT100479
Use for installing seats,
item 39, into the bore.
(see fi gures 4 and 5)
Medium
Knurl
0.752 / 0.753 [19.10 / 19.12] Polish
0.795 / 0.793 [20.19 / 20.14] Polish
DT1560-3
Use for re-dressing seat,
item 44
(see fi gure 6)
Item 1 - Ball ø 0.1875 [4.76]
Material: hardened steel ball
2.62 [66.54]
Item 2 - Stem
Material: A-2 drill rod
Note: All dimensions in inches [mm] unless otherwise noted.
1.25 [31.75]
0.015 [0.38] x 45°
Chamfer
See Detail A
AT100479-1
Use for installing piston
assembly, items 28-30
& 40-42, into the bore.
(see fi gures 4 and 5)
2.50 [63.50]
0.03 [0.76] x 45°
NOTES:
1.
2.
3.
4.
120°
5.
DETAIL A
SCALE 4:1
10
1.25 [31.75]
0.093 [2.36] x 30° Polish
0.628 / 0.630 [15.95 / 16.00] Polish
0.655 / 0.654 [16.63 / 16.61] Polish
0.746 / 0.747 [18.94 / 18.97] Polish
0.795 / 0.793 [20.19 / 20.14] Polish
Diamond coat this half
of ball (see note 4)
2 Braze all around
Make stem as shown.
Place ball in countersink seat and braze in place.
Clean up excess braze. Do not damage ball.
Electroplate front half of ball with diamond grit
400, 0.0012 inch, +0.0005/-0.0000 inch [0.03048
mm, +0.0127/-0.0000 mm] on the side.
Remove all burrs and sharp edges.
15°
Medium
Knurl
0.015 [0.38] x 45°
Chamfer
1