Case MDX71 - Page 107

SECTION 58 -- ATTACHMENTS AND HEADERS -- CHAPTER 1
58-13
4. Apply grease to the remaining “T-seal” washer,
and install it on the bevel gearbox rear pivot hub,
1, so that it fits into the groove, 2. Install the rear
pivot arm by sliding it over the input shaft onto the
gearbox pivot hub, and at the same time fitting it
over the two mounting bosses, 3, on the lift arm.
Install the 3/4″ Grade 8 cap screws and torque to
413 ft lbs (560 N⋅m) to retain the pivot arm.
600-4-6
1
2
3
26
5. Slide the inner shield over the bevel gearbox in-
put shaft, and secure it by installing the left side
studs, 1, and jam nuts, and the 3/8″ cap screw,
2, and washer.
6. Install the key into the keyway on the bevel gear-
box input shaft, and slide the sheave, 3, onto the
input shaft over the key.
600-4-4
1
2
3
4
27
7. Use a long straightedge to align the sheave to the
drive sheave; the two sheaves should be aligned
within 1/16″. Tighten the two set screws securely,
and tighten the jam nuts. After the sheave is tight-
ened to the shaft, install the cap screw, 4, Figure
27, and washer in the end of the shaft. Block the
cutter bar, and tighten the cap screw.
A3679-27
28