59
Repair instructions
1
3. Install the needle bearings (1) and the spacer ring
(2, model 290A only) between the bearings in the
lower gear and insert the shaft in the gear.
NOTE! The needle bearings are matched in pairs
and must not be mixed up.
4. Install the brass washer and the split locking ring.
Then place the gear housing in the splines sleeve
884830.
NOTE! Carefully inspect the condition of the brass
washer and replace if necessary.
5. Place the upper gear wheel with the calculated
shims in the gear housing. Install the needle bearings
(1) along with the spacer ring (2, model 290A only)
between the bearings.
6. In order to obtain the correct axial clearance, there
are three left hand threaded nuts with shoulders of dif-
ferent thicknesses (1). Select a nut and tighten it with
a tightening torque of 120 Nm (88.3 lb.ft.).
NOTE! Lubricate the threads to prevent the nut from
galling.
2
1
1
1
290A
SP & DP
2
1
1
1
290A
SP & DP
