84
To check the oil level in the transfer case, unscrew plug 6
(Fig. 9.21) or 8 (Fig. 9.22). The oil level should reach the lower
edge of the filler orifice.
During installation of the drain plug 6 (Fig. 9.22) of the
gearbox into its position, change the spacer.
WARNING! The same oil is used in the gearbox made in
China and in the transfer case (see Appendix 3). Checking and
changing oil in the gearbox and the transfer box should be done
simultaneously. The level of oil in the gearbox could flow into the
transfer case up to 0.325 l (the level of the oil in the gearbox lowers
simultaneously with its rising in the transfer case).
WARNING! Different oils are used in the Dymos gearbox and
in the transfer case (see Appendix 3), mixing is not allowed.
Drive shaft
The spline coupling is lubricated through grease pump 1
(Fig. 9.23), and the needle bearings are lubricated through grease
pumps 2 on center crosses.
Lubricate the needle bearings until the grease shows up from
under the working edges of the center cross collars.
Applying solid oil and mixtures, or its contents for lubrication
of the needle bearings could lead to premature failure of the
needle bearings.
Do not apply too much grease to the splined couplings, as it
would bleed through the spline coupling, and that would provoke
a premature failure of the oil seals and could eject the plug of
the slip yoke.
Use a special tip to be fitted on the grease gun to lubricate
the knuckles.
Fig. 9.23. Rear drive shaft:
1- grease pump for spline coupling lubrication; 2 — grease pump for needle
bearings lubrication of the joint
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