Page 10
Step Motor Parts Key
Replacement Part Kits
The motor assembly part numbers listed in the gray box below contain the motor, linkage, gears, and gear box for the
corresponding step series number.
Step Motor
Series # Assembly Description of Step
22 Series Step #909502000 Double tread step; 24" wide tread; frame measures 10" tall in retracted position
23 Series Step #909503000 Triple tread step; 24" wide tread
24 Series Step
25 Series Step
26 Series Step #909504000 Single tread step; 24" wide tread; tread angled downward to front when retracted
27 Series Step #909502000 Double tread step; 24 1/2'’ wide tread
28 Series Step #909501000 Single tread step; 23 3/4" wide tread; frame measures 5 7/8” tall in retracted position
29 Series Step #909501000 Single tread step; 23 3/4" wide tread; tread is 9 1/8" deep: frame is 4 1/2" tall - retracted
30 Series Step #909502000 Single tread step; 36" wide tread
31 SeriesStep #909501000 Single tread step; 17 3/4" wide tread
32 Series Step #909502000 Double tread step; 24" wide tread; frame measures 7 1/8” tall in retracted position
33 Series Step #909502000 Single tread step; 28 1/8" wide tread
34 Series Step #909502000 Double tread step; 30" wide tread
35 Series Step #909502000 Single tread step; 24" wide tread; 17 1/2" deep from front of tread to back of ext. arms
36 Series Step #909502000 Single tread step; 30" wide tread; mounted to underside of step mounting surface
37 Series Step #909501000 Single tread step; 30" wide tread; mounted to an angled bracket at the back of step
38 Series Step #909502000 Single tread step; 24" wide tread; 20 1/2" deep from front of tread to back of ext. arms
39 Series Step #909501000 Single tread step; 23 3/4" wide tread; tread is 10 3/8” deep; frame is 4 1/2" tall - retracted
40 Series Step #909502000 Double tread step; 24" wide tread; frame measures 6 1/2" tall in retracted position
42 Series Step #909505000 Double tread step; 24 3/4" wide tread
44 Series Step
1
Assembly Diagram Parts Key #
2A 2B 3 4A 4B 5A
5B
6 7A 7B 7C 8 9 10 11 1312 14 15 16A 16B
PART KITS
Motor Kits
909520
909521
Linkage Kits
909532
909533
909534
Gear and Gear Box Kits
909524
909525
909526
909527
Hardware Kits
909530
909535
909536
909539
905205
1. Using the Step Motor Assembly Diagram on Page 11, select the part you need to replace, and note the number of that
part in the Parts Key.
2. Find the corresponding number on the chart below (along the line with white lettering) on the chart below and look
down the column below that number. Dots (
) mark Kits part numbers that include the indicated part. Squares () indicate
the best single-part replacement kit choice.
REPLACEMENT PARTS KIT NUMBERS
= component contained within a Parts Kit
= best single-part replacement kit choice