JB Conversions 2307 LoMax 300 - Manual (Page 19)

40) Place one of the thrust washers into the case as shown. Coat both sides of
the washer with a tacky grease and place it into the case properly. You can
use the cross shaft as shown to hold the washer in place as you lower the
idler gear into place in step 45 (Fig.39).
Fig.39
41) Place the second thrust washer into the case as shown. Again coat both
sides with grease. The washer should stay in place easily (Fig.40).
Fig.40
42) As you lower the idler gear into place in the next step, you can hold the
thrust washer into place with your finger tip as shown (Fig.41).
Fig.41