The manual was very accurate for the part that I was changing, I was able to order the correct part and had no issues with the replacement procedure. However, I was expecting to have more detailed repairs for the lower drive unit.
Text excerpt from page 12 (click to view)
KRC-20SA/G
EXPLODED VIEW (MECHANISM)
A B
16 18 17
19
102
1
56 20 M1 100 37 36 38 HD1 106x2 104
5 22
6
26
23 112 1
2
7 113 34 112 10 40 105x2 113 53 35 9 57 39
25
58
39
52
115
114 99
12 33
3
4 111 101 102 103 111 31
14
102
102
31 54
14
Parts with the exploded numbers larger than 700 are not supplied.