5. Lock washer
9. Woodruff key
10. Oil seal
Figure 4-12. Upper front cover assembly--exploded view.
4-19. Reassembly and Installation
Refer to figure 4-12. Support the inner face of the cover on wood blocks. Coat the bore of the cover with non
Position oil seal (10) in the cover bore with the lip of the seal pointing toward the inner face of the cover. Press
seal (10) into the cover. Remove excess sealant from the cover and seals.
Affix a new gasket (8) to the cover, and install dowel (7) in the cover.
Install cover (6) on the cylinder block and secure with screws () and (4) and lock washers (5). Tighten the screws
to 35 ft-lb (47 N. m).
Install Woodruff key (9) in each shaft. Align the key way in the balance shaft with the key in the shaft Side pulley (2)
on the shaft. If the weight does not easily slide onto the shaft, loosen the thrust washer retaining bolts at the opposite end
of the shaft. Support the rear end of the shaft while tapping the weight into place with a hammer and sleeve. Install the