15.
66 and 74 engines: Fit the rear plate to the
pump using a new seal.
a) Use guide pins (Ø8.5 mm) in the holes
shown with three arrows in the figure.
b) Apply sealing compound to the thread of
the screw.
Fig. 91
3.11.4.2 Coolant pumps with heavy duty bearings
The reconditioning of the coolant pump with heavy
duty bearings is done according to instruction
Coolant pump with standard bearings. Note in
particular the position of the front bearing during
assembly.
Fig. 92
3.11.4.3 Coolant pumps with Flexonic belt
Some coolant pumps are driven by Flexonic belt. This coolant pump is mounted on the front face of the
cylinder block without a separate mounting plate.
The reconditioning is done mainly according to instruction Coolant pumps with standard bearings.
NOTE: See the information for the correct tightening torques.
Procedure
1.
Remove the belt pulley and bearing lock ring.
2.
Remove the pump back plate and press the
axle with bearings out from the pump body.
3.
Press out the water seal with a suitable drift.
NOTE: This pump does not have an axle seal
between the bearing and water seal.
4.
Clean the parts to be re-used.
5.
Start the reassembly by pressing the inner
bearing on the axle and assemble the parts in
the pump body.
a)
Lubricate the bearings with ball bearing
grease.
AGCO Power recommends Isoflex Topas
NB52 or NLGI 2 class grease, amount abt.
5 gr.
Fig. 93
3. Maintenance
4th Generation Engines 3-55
8370 79492
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