MAIN DRIVE 8.11
55
42 4120289.7 Bracket, idler 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
43 4120523.7 Bracket (left) 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
44 4120639.7 Bracket (right) 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
45 547534 Clutch, complete 1 See page ?? for service parts.. . . . . . . . . . . . . . . . . . . . . . . . . . . .
46 547596 Sprocket, idler (9010 & later) 4 See note ♦.. . . . . . . . . . . . . . . . . .
47 546402 Sprocket, idler (8910 & prior) 4 See note ♦.. . . . . . . . . . . . . . . . . .
48 547662 Sprocket, idler 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
49 519874 •Race, bearing 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
50 521845 •Bearing, needle 1. . . . . . . . . . . . . . . . . . . . . . . . . . . .
51 547880 Chain, roller #50 (54 links w/connector link) 1. . . . .
* 548481 •Link, connector #50 1 Not illustrated.. . . . . . . . . . . . . . . . . . . . . . . . .
52 548183 Lockwasher, 5/16 5. . . . . . . . . . . . . . . . . . . . . . . . . . .
53 548224 Fitting, lubrication 3. . . . . . . . . . . . . . . . . . . . . . . . . . .
54 548296 Pillow Block 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
* 548975 •Bearing 1 Not illustrated.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
55 548327 Lockring 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
56 548332 Lockring 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
57 548349 Lockring 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
58 548850 Key, Hy-Pro 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
59 548887 Chain, roller #50 (59 links w/connector link) 1. . . . .
* 548481 •Link, connector #50 1 Not illustrated.. . . . . . . . . . . . . . . . . . . . . . . . .
60 548889 Chain, roller #40 (61 links w/ connector link) 1. . . . .
* 876431 •Link, connector #40 1 Not illustrated.. . . . . . . . . . . . . . . . . . . . . . . . .
61 548890 Chain, roller #40 (97 links w/connector link) 1. . . . .
* 876431 •Link,connector #40 1 Not illustrated.. . . . . . . . . . . . . . . . . . . . . . . . .
62 548897 Bolt, carriage 7/16–14 x 1 1/4 4. . . . . . . . . . . . . . . . .
63 548902 Screw, flangelock 5/16–18 x 1 2. . . . . . . . . . . . . . . . .
64 548910 Nut, flangelock 1/4–20 2. . . . . . . . . . . . . . . . . . . . . . .
65 548911 Nut, flangelock 5/16–18 4. . . . . . . . . . . . . . . . . . . . . .
66 548912 Nut, flangelock 7/16–14 4. . . . . . . . . . . . . . . . . . . . . .
67 551094 Screw, 3/8–16 x 1 3/4 2. . . . . . . . . . . . . . . . . . . . . . . .
68 800379 Nut, flangelock 1/2–13 7. . . . . . . . . . . . . . . . . . . . . . .
69 800513 ◊Screw, skt. hd. 5/16–18 x 1 1/4 5 Use Locitite 290 on thread before . . . . . . . . . . . . . . .
installation.
70 800561 Key, Hy-Pro 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
71 809183 Washer, 1/4 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
72 815818 Washer, spline (1/8” thick) 2. . . . . . . . . . . . . . . . . . . .
73 831836 Bushing 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
74 4120227.7 Bracket, support 2. . . . . . . . . . . . . . . . . . . . . . . . . . . .
75 548827 Screw, 1/4–20 x 1/2 2. . . . . . . . . . . . . . . . . . . . . . . . . .
Ref.
No.
Part
No.
Description Notes
No.
Req’d
•INDENTED PART NAMES INDICATE THESE PARTS ARE INCLUDED IN PRECEDING ASSEMBLY.
♦ The nylon idler sprocket (ref. #46) is NOT a direct replacement for the metal sprocket (ref. #47) used on models
8910 and prior. An improved idler arm kit, which includes the new sprocket, arm and mounting hardware, can
be ordered to update older machines. Order Part No. 547756.