Figure 30, Figure 31, Figure 30, figure 31 – Husqvarna HUV 4421 4421-G/GX/GXL User Manual
Page 47: Figure 30)
Gearcase Lubrication
1
2
1
2
215
Figure 30
Front Differential Lubrication Level
216
Figure 31
Transmission Lubrication Level
Transmission:
Clean and install the drain plug (2) before filling the transmission with new lubricant (Figure 31). Tighten the drain
plug to 96 in-lb (11 N·m). Remove the fill plug from the top of the transmission case and use a funnel to fill the
transmission with lubricant. See Periodic Lubrication Schedule on page 36. Apply Loctite 567 to the threads of
the fill plug and tighten to 21 ft-lb (28 N·m).
Check the level of lubricant at the level indicator plug (1). Apply Loctite 567 to the threads of the level indicator plug
and tighten to 21 ft-lb (28 N·m).
Rear differential:
Clean and install the drain plug (2) and washer before filling the rear differential with new lubricant (Figure 32). Tighten
the drain plug to 96 in-lb (10.8 N·m). Use a funnel to fill the differential through the lubricant level indicator hole
(1). See Periodic Lubrication Schedule on page 36. Apply Loctite 567 to the threads of the level indicator plug
and tighten to 21 ft-lb (28 N·m).
HUV 4421 Owner’s Manual
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