24
MAINTENANCE SECTION
Shim Packet contains three 0.002” (0.05 mm)
shims and two 0.005” (.13 mm) shims.
i.
Insert the required number of shims, as determined
from step (g), into the upper bearing recess of the
Angle Head.
Reassemble and test the Angle lead as indicated
in steps (c) through (f).
j.
For 7L2A4 Angle Head, press on the closed end
of a new Spindle Bearing entering the Bearing
into the small bore opposite the threaded end of
the Angle Head to the dimension shown in
Dwg. TPD680.
(Dwg. TPD680)
A
Minimum Dimension
“A”
Maximum Dimension
“A”
in
mm
in
mm
1.21
30.75
1.27
31.25
k. For 7L3A4 Angle Head, press a new Spindle
Bearing into the Angle Head from the large
threaded end to the dimension shown in
Dwg. TPD636.
Press on the stamped face of the Bearing.
Failure to do so will cause damage to the
Bearing.
Install a new Angle Housing Cap (103) into the
top of the Angle Head.
A
(Dwg. TPD636)
Minimum Dimension
“A”
Maximum Dimension
“A”
in
mm
in
mm
0.718
18.25
0.728
18.50
10. Lubricate the Spindle Upper Bearing, Bevel Gear and
Lower Spindle Bearing as instructed in Lubrication
and install the Spindle into the Angle Head.
11. Clean the threads on the Angle Head and the Spindle
Bearing Cap (121), apply a film of Vibra–Tite
***
VC3 to the threads.
12. For 7L1A1 Angle Head, tighten the Spindle Bearing
Cap to a minimum of 35 in–lb (3.9 Nm) torque.
For 7L2A4 Angle Head, install the Spindle Bearing
Cap and tighten the Cap to a minimum of 15 ft–lb
(20.3 Nm) torque.
For 7L3A4 Angle Head, using No. 85A32–26
Bearing Cap Wrench, install the Spindle Bearing Cap
and tighten the Cap to a minimum of 25 ft–lb (34
Nm) torque.
13. Slide the Coupling Nut (124), threaded end trailing,
over the splined end of the Angle Head.
14. Apply the Coupling Nut Retainer (123) to the external
groove on the splined end of the Angle Head.
15. Engage the spline on the Bevel Pinion with the
matching spline in the Spindle (29) and thread the
Coupling Nut onto the Gear Case. Tighten the
Coupling Nut to a minimum of 25 ft–lb (34 Nm)
torque. Check to make sure the Angle Head (101)
aligns with the Throttle Lever (3).
16. For 7L2A4 or 7L3A4 Angle Head, thread the Drill
Chuck onto the Spindle and tighten.
*** Registered trademark of ND Industries.
Содержание 6LH1A1
Страница 13: ...MAINTENANCE SECTION 13 Dwg TPA1138 1 MOTOR AND GEARING ...
Страница 16: ...16 MAINTENANCE SECTION Dwg TPB791 ANGLE ATTACHMENTS ...
Страница 26: ...26 NOTES ...
Страница 27: ...27 NOTES ...
