Tennant 550 Training manual

IB 340505 (8-01) 1
No. 340505
Machine: 95, 550
Published: 8-01/00
System: HYDRAULIC
INSTRUCTION BULLETIN
NOTE: DO NOT DISCARD the Parts List from the Instruction Bulletin. Place the Parts
List in the appropriate place in your machine manual for future reference.
Retaining the Parts List will make it easier to reorder individual parts and will
save you the cost of ordering an entire kit.
NOTE: Numbers in parenthesis ( ) are reference numbers for parts listed in Bill of Materials.
Repair parts list for pump 373419 and Kit number 397689
SYNOPSIS / PROBLEM:
This kit contains the new hydraulic pump part # 373419, repair information bulletin, repair
parts list and parts breakdown for hydraulic pump part # 373419.
When repairing this pump, please follow the step-by-step instructions in the repair
information bulletin Tennant #373281 (Eaton #7--620).
REPAIR PARTS LIST FOR PUMP PART # 373419
Ref.
Tennant
Part No.
Machine
Serial Number Description Qty.
1 ISK (000000-- ) In seal kit #61881 2
2 373218 (000000-- ) Pin, dowel 2
3 373219 (000000-- ) Washer 1
4 ISK (000000-- ) In seal kit #61881 2
5ISK (000000-- )In seal kit #61881 4
6 61891 (000000-- ) Screws 2
7 373392 (000000-- ) Spring 2
o8 74230 (000000-- ) Plug S/A 2
Y(000000-- ) O--ring, 2.38 mm Dia. X 22.23 mm I.D. 2
961882 (000000-- )Rotating kit 1
10 61888 (000000-- ) Cover seal 1
11 61890 (000000-- ) Trunion cover 1
12 61889 (000000-- ) O--ring cover 1
13 37454 (000000-- ) Bearing race 1
14 37448 (000000-- )Bearing 2
15 ISK (000000-- ) In seal kit #61881 1
16 74240 (000000-- ) Race, bearing 2
17 74210 (000000-- ) Bearing 1
18 74261 (000000-- ) Cap screw 2
19 74260 (000000-- )Cap screw 2
20 ISK (000000-- ) In seal kit #61881 1
21 ISK (000000-- ) In seal kit #61881 1
22 373220 (000000-- ) Rel vlv assembly 4500 1
23 373220 (000000-- )Rel vlv assembly 4500 1

IB 340505 (8-01)2
o24 373221 (000000-- ) Housing assy 1
Y37462 (000000-- ) Bearing 1
25 61880 (000000-- ) Backplate 1
26 373222 (000000-- ) Valve plate 1
27 34094 (000000-- ) Drive shaft 1
28 61883 (000000-- )Cam plate 1
o29 34162 (000000-- ) Charge PMD ADPT 1
Y55929 (000000-- ) Roller bearing 1
30 373420 (000000-- ) Geroter, ring IN 1
31 74275 (000000-- ) Geroter, ring OT 1
37 13907 (000000-- )Plug, #8 O--ring 1
38 61879 (000000-- ) Key 1
39 ISK (000000-- ) In seal kit #61881 1
40 373225 (000000-- ) Washer 2
41 37460 (000000-- ) Washer 1
45 373225 (000000-- ) Washer 1
46 373281 (000000-- )Repair info, pump 1
61881 (000000-- )Seal kit 1
TENNANT COMPANY
P. O. Box 1452
Minneapolis, MN 55440-1452

IB 340505 (8-01) 3
FIG. 1 -- REPLACEMENT PUMP BREAKDOWN

IB 340505 (8-01)4
46
FIG. 2 -- REPLACEMENT PUMP BREAKDOWN