MASSEY FERGUSON 5400 - Reassembling the Ring Gear and Differential Assembly

Massey Ferguson 5400 - Issue 1.a
06E01.14
GPA20 differential
H . Reassembling the ring gear and
differential assembly
Refitting the ring gear
58. Check that the ring gear and drive pinion display
the same serial number.
59. Clean the mating faces of the new ring gear (23)
and unit (29), the nuts and the screws referenced
in the spare parts catalogue.
60. Smear the first threads of the screws (1) (Fig. 17)
with Loctite 270 and place them in the ring gear
and unit.
61. Tighten and lock the nuts (2) (Fig. 17) to a torque of
150 - 160 Nm.
Reassembling the differential assembly
62. Check the components and replace any found to
be defective.
63. Reassemble the differential assembly. Carry out
the operations 42 to 44 in reverse order.
64. Smear the screws (15) with Loctite 270 then
tighten to a torque of 85 - 130 Nm.
N
OTE: The clearance “J1” between the pinion
gears and sun gears must be between 0.08 mm
and 0.30 mm.
65. Insert bearing cones (17) (28) respectively in the
bottom of the shoulder of the fixed coupler (16)
and the left-hand flange (25), using a press and a
suitable fixture.
Special point
Place shim(s) (38) in the half-housing (29) to pre-adjust
the backlash and then insert the bearing cup (27) (see
§ K).
Fig. 17
Fig. 18