Parts List Complete for TENNANT T390
 

- Pads - 255-1400
RefNbr Part Number Description Req Notes
01 255-1440 14 inch aqua plus burnishing pad (pkg of 5)
02 255-1435 14 inch Armadillo concrete scrubbing pad (pkg of 5)
03 255-1464 14 inch Blue ace pad (pkg of 5)
04 255-1442 14 inch Blue Jay burnishing pad (pkg of 5)
05 255-1412 14 inch Cure white pad (pkg of 5)
06 255-1477 14 inch Diamondback extreme stripping pad (pkg of 5)
07 255-1438 14 inch EHD Extra Heavy Duty Concrete Leveling Pad (pkg of 2
08 255-1421 14 inch gorilla lite burnishing pad (pkg of 5)
09 255-1450 14 inch gorilla spray buff/polish/burnish pad (pkg of 5)
10 255-1465 14 inch Heat concrete bonding pad (pkg of 5)
11 255-1430 14 inch jaguar burnishing pad (pkg of 5)
12 255-1487 14 inch Melamine Mela-Kleen pad (pkg of 2)
13 255-1490 14 inch premium black stripping pad (pkg of 5)
14 255-1470 14 inch premium blue cleaning pad (pkg of 5)
15 255-1492 14 inch premium brown stripping pad (pkg of 5)
16 255-1480 14 inch premium green scrubbing pad (pkg of 5)
17 255-1460 14 inch premium red scrubbing pad (pkg of 5)
18 255-1452 14 inch premium tan polishing pad (pkg of 5)
19 255-1420 14 inch premium white polishing pad (pkg of 5)
20 255-1411 14 inch superspeed rubberized pad (pkg of 5)
21 255-1495 14 inch razorback stripping pad (pkg of 5)
22 255-1447 14 inch Redwood maroon floor prep pad (pkg of 10)
23 255-1455 14 inch Ruff non-abrasive brush pad (pkg of 2)
24 255-1423 14 inch sand screen driver pad (pkg of 2)
25 255-0120 14 inch Professional sand screen 100 grit (pkg of 10)
26 255-0121 14 inch Professional sand screen 120 grit (pkg of 10)
27 255-0122 14 inch Professional sand screen 180 grit (pkg of 10)
28 255-0119 14 inch Professional sand screen 60 grit (pkg of 10)
29 255-0205 14 inch Superscreen sand screen 100 grit (pkg of 10)
30 255-0206 14 inch Superscreen sand screen 120 grit (pkg of 10)
31 255-0207 14 inch Superscreen sand screen 180 grit (pkg of 10)
32 255-0204 14 inch Superscreen sand screen 60 grit (pkg of 10)
33 255-1424 14 x 20 inch Tiger carpet bonnet (pkg of 2)
34 255-9549 14 inch Diamond by Gorilla 11000 Grit (pkg of 2)
35 255-9546 14 inch Diamond by Gorilla 1500 Grit (pkg of 2)
36 255-9543 14 inch Diamond by Gorilla 200 Grit (pkg of 2)
37 255-9547 14 inch Diamond by Gorilla 3000 Grit (pkg of 2)
38 255-9544 14 inch Diamond by Gorilla 400 Grit (pkg of 2)
39 255-9545 14 inch Diamond by Gorilla 800 Grit (pkg of 2)
40 255-9548 14 inch Diamond by Gorilla 8000 Grit (pkg of 2)
41 255-9639 14 inch Diamond starter pack (1 of each grit)
42 255-1482 14 inch Turbostrip segmented rotary pad (pkg of 4)
43 255-1415 14 inch Duala clean and shine pad - low speed (pkg of 5)
44 255-1416 14 inch 2001 Duala clean and shine pad-high speed (pkg of 5)

- Pad Holders - 275-9029
RefNbr Part Number Description Req Notes
1 991-2214 Center-Lok II pad holder - left hand thread (red)
2a 991-2201 Center-Lok II pad holder - right hand thread (black) (Pad driver side female, Floor side male)
2b 991-8577 Pad retainer (Pad driver side male, Floor side female)
3a 991-2202 Big mouth pad holder set (blue) (includes 3 screws)
3b 991-2205 Deep lock ring and pad grip ring
4 991-2203 Big mouth pad holder male thread portion
5 991-2206 Center-Lok 3 pad holder (includes 3 screws)
6 996-0372 Big mouth pad holder (left hand thread)
7 N/A Not available
8 991-2209 Split retainer - pad holder ring (OBSOLETE)
9 N/A Not available (replaced by #3 991-2202)
10 991-2211 Center lock pad holding cup (male) (yellow) (OBSOLETE)

Brushes/Pad Driver and Pads Assembly - 475-0110
RefNbr Part Number Description Req Notes
1a 375-7989 14 inch disk brush assembly 1 (model 1255469)
1b 675-9537 Brush assembly disc 1 (model 1251589) (soft)
2 375-7990 14 inch pad driver assembly 1 (model 1255469)
3a 175-4905 14 inch buffing pad (red) 1
3b 175-4906 14 inch scrubbing pad (blue) 1
3c 255-1492 14 inch premium brown stripping pad (pkg of 5) 1
3d 255-1490 14 inch premium black stripping pad (pkg of 5) 1
3e 375-1634 14 inch stripping pad (maroon) 1
3f 175-4904 Polish pad 14 inch white 1
3g 375-9366 14 inch polish pad (yellow) 1
4 375-7991 Center lock 1

Recovery Tank Assembly - 475-0111
RefNbr Part Number Description Req Notes
1 375-1708 Recovery tank cap 1
2 375-9643 Squeegee lift lever 1
3 375-9620 Nut M6 inox 4
4 675-9481 Drain hose assembly 1
5 375-9644 Plate 1
6 375-9500 Washer D. 5 x 14 inox 4
7 375-9645 Recovery hose clip 1
8 375-7993 Screw M5 x 16 4
9 375-1709 Screw M5 x 12 inox 2
10 999-1600 Screw M6 x 16 pan head zinc 3
12 375-9646 Spacer 2
13 375-9647 Squeegee lift cable 1
14 375-7994 Handle 1
15 375-9649 Spring 1
16 375-9577 Washer 4-16 inox 1
17 375-9650 Screw M4 x 12 zinc 1
18 375-9516 Screw M4 x 10 inox 2
19 375-7995 Bracket 1
21 375-9652 Washer D. 8 inox 2
22 375-9653 Handle activation lever 1
25 375-7996 Knob 2
26 375-9654 Recovery tank cover seal 1
27 375-9655 Vacuum filter 1
32 375-7997 Screw 2
33 375-9531 Washer D. 4 inox 2
34 375-9658 Washer nylon 4
35 375-9659 Gasket 1
36 375-9660 Box 1
37 375-9661 Nut M4 inox 2
38 375-9662 Gasket 1
42 375-1711 Clamp 30-45 1
46 675-9478 Hose 1 (includes 56)
47 999-0740 Nut M5-.8 hex stainless steel 2
48 375-9666 Washer D5 inox 2
49 375-9667 Washer 1
50 375-9668 Protection 1
51 375-9669 Screw M4 x 10 1
52 375-9483 Screw M5 x 16 inox 2
53 375-9670 Bracket 1
56 375-9671 Clamp 1
57 375-7998 T390 decal kit 1
58 375-7992 Recovery tank 1

Vacuum Motor Assembly - 475-0112
RefNbr Part Number Description Req Notes
1 375-9630 Tube 1
2 375-9629 Flange 1
3 375-9641 Sound proofing 1
5 375-9635 Nylon flange 1
6a 375-9632 Vacuum fan 1
6b 375-9631 Vacuum fan brush motor 2
7 375-9634 Vacuum motor gasket 1
8 375-9636 Clamp 1
9 375-9638 Screw M4 x 8 1
10 375-9536 Washer D. 6 x 18 inox 2
11 375-9535 Washer D. 6 inox 2
12 999-1600 Screw M6 x 16 pan head zinc 2
13 375-9640 Clamp 1
14 375-9639 Tube 1
KIT1 375-1714 Vacuum motor assembly 1 (includes 2-3, 5-9, 13-14)

Solution Tank Assembly - 475-0113
RefNbr Part Number Description Req Notes
1 375-9672 Gasket 1
2 375-9673 Solution tank inlet filter 1
3 375-9679 Plate 2
4 375-9674 Pin 2
6 375-9675 1/2 inch cap 1
7 375-9535 Washer D. 6 inox 3
8 375-9676 Screw M6 x 10 inox 1
9 375-9677 Plate 1
10 375-9678 M6 thread insert 1
12 375-9536 Washer D. 6 x 18 inox 2
14 999-1600 Screw M6 x 16 pan head zinc 2
15 375-7999 Duct lock 2
17 N/A Not available 1 (screw)
20 375-9682 Rubber 2
29 375-9684 Screw M8 x 16 4
30 375-9685 Washer D. 8 4
31 375-9652 Washer D. 8 inox 4
32 375-8000 Solution tank 1

Solution Tank Solenoid/Filter Assembly - 475-0114
RefNbr Part Number Description Req Notes
1 375-9742 Tube D12 x 3 2 (specify length when ordering)
2 375-9734 Clamp 2
3 375-1716 Water solution filter 1
4 375-9531 Washer D. 4 inox 2
5 375-9470 Solenoid valve 1
6 375-9737 Screw M20 stainless steel 1
10 375-9741 Gasket 1
19 375-9743 Screw M4 x 16 2

Solution Tank Drain Hose Assembly - 475-0115
RefNbr Part Number Description Req Notes
1 375-9755 Clip 1
2 375-1717 Screw M5 x 20 1
3 375-9757 Connector 1
4 375-9758 Cap 1
5 375-9759 Gasket 1
6 375-9760 Connector 1
7 375-9761 Tube 1
8 375-9762 Clamp 2
16 375-9763 D16 tube 1

Tank Assembly - 475-0116
RefNbr Part Number Description Req Notes
1 375-7992 Recovery tank 1
2 375-8000 Solution tank 1
3 375-8001 Covering 1
4 375-9666 Washer D5 inox 4

Frame and Drive Wheel Assembly - 475-0117
RefNbr Part Number Description Req Notes
1 375-9684 Screw M8 x 16 6
2 375-9615 Washer D. 8 x 24 inox 2
3 375-8002 Wheel 2
4 375-9768 Circlip 2
5 375-8003 Wheel bearing 2
6 375-8004 Screw M.8 x 16 3
7 375-9732 Washer D8 3
8 375-8005 Support 1
9a 375-8006 24V traction motor 1
9b 375-8007 Carbon brush (2pc) 2
10 375-9652 Washer D. 8 inox 8
11 375-9619 Nut M8 inox 4
12 375-8008 Support 1
15 375-8009 Key 2
16 375-8010 Screw M.6 x 16 2
17 375-9535 Washer D. 6 inox 4
19 999-1600 Screw M6 x 16 pan head zinc 8
20 375-9508 Washer D. 6 inox 8
21 375-9499 Nut M6 inox 8
22 375-8011 Bracket 1
23 375-8012 Flap 1
24 375-9536 Washer D. 6 x 18 inox 4
25 375-8013 Protection 1

Scrub Head Assembly - 475-0118
RefNbr Part Number Description Req Notes
1 999-1600 Screw M6 x 16 pan head zinc 12
2 999-1308 Nut M6-1 hex stainless steel 4
3 375-9535 Washer D. 6 inox 18
4a 375-8014 24V brush motor 2
4b 375-9626 Brush motor kit 4
5 375-8015 Key 2
6 375-8016 Screw M8 x 40 2
7 375-9616 Bushing 2
8 375-9594 Bumper wheel 2
9 375-9652 Washer D. 8 inox 4
10 999-1651 Nut M8-1 hex stainless steel 2
11 375-8017 Brush head 1
12 375-9619 Nut M8 inox 2
13 999-1801 Screw M6 X 12mm hex head flange 14
14 375-8018 Screw M4 x 10 2
15 203-5850 Spring 2
16 375-8019 Driver kit (aluminum) 2
17 375-8020 Rubber washer 8
20 375-9620 Nut M6 inox 9
21 375-9536 Washer D. 6 x 18 inox 22
22 375-9615 Washer D. 8 x 24 inox 2
23 375-9732 Washer D8 2
24 375-8021 Screw M8 x 20 2
25 375-8022 Distributor 1
26 N/A Not available 1 (connector)
27 375-8023 Nut M.6 8
28 375-8024 Left hand flap 1
29 375-8025 Left hand flap retainer 1
31 375-8026 Screw M6 x 35 5
32 375-8027 Bumper 1
33 375-8028 Right hand flap 1
34 375-8029 Right hand retainer flap 1

Scrub Head Lift Assembly - 475-0119
RefNbr Part Number Description Req Notes
1 375-9724 Brush deck support bushing 6
3 375-9688 Bushing 2
4 375-8030 Bracket 1
5 375-9690 Brush head lifting pedal 1
6 375-8031 Bushing 2
9 375-9694 Bushing 1
10 375-9615 Washer D. 8 x 24 inox 6
11 375-9532 Screw 6 x 20 inox 1
12 375-9696 Plate 1
13 375-9619 Nut M8 inox 9
14 375-8032 Base 1
17 375-9700 Spring 1
19 375-9701 Bushing 1
20 375-9702 Screw M8 x 50 inox 1
21 375-9703 Screw M8 x 25 inox 3
23 375-9658 Washer nylon 1
26 375-9707 Spring 1
27 375-8033 Arm 1
28 375-9709 Parallelogram arm 1
29 375-9185 Bumper fastener 20x9 M6x18 1
30 375-8034 Nut M6, 16L 1
33 375-9710 Cover 1
37 375-9652 Washer D. 8 inox 4
38 375-8035 Screw M8 x 40 TE 1
40 375-9499 Nut M6 inox 5
41 375-9508 Washer D. 6 inox 1
47 375-9722 Screw M8 x 30 2
76 375-8036 Screw 8 x 20ZB 1
77 375-8037 Bracket 1

Squeegee Lift Assembly - 475-0120
RefNbr Part Number Description Req Notes
2 375-9687 Screw M12 x 110 1
7 375-9692 Squeegee support 1
8 375-9693 Pin 1
15 375-5382 Caster wheel 1
16 999-1651 Nut M8-1 hex stainless steel 3
18 375-9508 Washer D. 6 inox 2
31 375-9499 Nut M6 inox 2
32 375-9652 Washer D. 8 inox 1
35 375-9712 Nut M12 inox 1
43 375-9716 Screw M8 x 45 1
50 375-9731 Washer 2
52 375-9722 Screw M8 x 30 1
53 375-9619 Nut M8 inox 1
54 375-9723 Spring 1
55 375-9724 Brush deck support bushing 1
57 999-1308 Nut M6-1 hex stainless steel 2
58 375-9726 Bracket 1
60 375-9727 Screw M6 x 110 1
61 375-9728 Screw M8 x 60 1
62 375-9729 Squeegee support 1
63 375-9658 Washer nylon 1
64 375-9730 Washer M15 x 40 1
79 375-9732 Washer D8 2

Squeegee Assembly - 475-0121
RefNbr Part Number Description Req Notes
1 375-9069 Latch 2
2 375-9593 Nylon sleeve 2
3 375-9594 Bumper wheel 2
4 375-9595 O-ring 2
5 375-9596 Spacer 2
6 375-9597 Knob 2
7 375-9499 Nut M6 inox 4
8 375-9508 Washer D. 6 inox 2
9 375-8039 Plate 1
10 375-8040 Gasket 1
11 375-8041 Gasket 1
12 375-9070 Hook 2
14 375-8042 Right hand front squeegee strap 1
15 375-8043 Left hand front squeegee strap 1
16a 375-8044 Front squeegee blade (linatex) 1
16b 375-8045 Front squeegee blade (latex) 1 (optional)
16c 375-8046 Front squeegee blade (poly) 1 (optional)
17 375-8047 Washer M6 x 24 2
18 375-8048 Squeegee body 1
19 375-9606 Screw M6 x 65 stainless steel 2
20 375-9607 Screw M6 x 55 stainless steel 2
21 375-8049 Closure 2
22a 375-8050 Rear squeegee blade (linatex) 1
22b 375-8051 Rear squeegee blade (latex) 1 (optional)
22c 375-8052 Rear squeegee blade (poly) 1 (optional)
23 375-8053 Right hand rear squeegee strap 1
24 375-8054 Left hand rear squeegee strap 1
25 375-8055 Plate 1
26 375-9612 Insert 2
27 999-1419 Nut M3-.5 hex stainless steel 8
28 375-9613 Squeegee strap bolt 8
29 375-8038 28 in squeegee assembly (T390/T490) 1 (includes 1-16a, 17-22a, 23-28)

Electrical Component Assembly - 475-0122
RefNbr Part Number Description Req Notes
1 375-9778 Support 1
2 375-9779 Decal 1
3 375-9781 Potentiometer knob 1
4 375-9782 Emergency key switch 1 (2 pcs)
6 999-1419 Nut M3-.5 hex stainless steel 2
7 375-9784 Washer 2
8b 375-9785 Circuit board assembly 1
9 375-9787 Gasket 1
11 375-9680 Screw M4 x 10 inox 3
12 375-9531 Washer D. 4 inox 9
13 375-9788 Keys 1
14 375-9483 Screw M5 x 16 inox 2
15 375-9789 Plate 1
16 375-9666 Washer D5 inox 2
17 999-0740 Nut M5-.8 hex stainless steel 4
18 375-9790 Washer 2
19 375-9791 Contact 1
20 375-9649 Spring 1
21 375-9792 Screw 2
22 375-9793 Handle switch 1
30 375-9661 Nut M4 inox 4
31 375-9794 Screw 6
35 375-9795 Screw cap 1
36 375-9796 250VAC 10A switch 1
37 375-9797 Rubber deviator 1
41 375-9499 Nut M6 inox 1
42 375-9508 Washer D. 6 inox 1
45 375-9799 Screw 3
52 375-9800 Shutoff float 2
54 375-9801 Battery support 1
56 375-1729 M8 eyelet wiring 1
58 375-1731 Bridge battery 1
59 375-9817 Screw 1
60 375-9818 Cap 1
61 375-9798 24V relay 1
62 375-9808 Connector 1
64 375-9809 Nut M2 2
65 375-9636 Clamp 2
68 375-9810 Microswitch charging plug 1
69 375-9811 Support 1
70 375-9812 Screw M2 x 16 2
71 375-9813 Screw 1
72 375-9657 Screw M4 x 25 2
73 375-9525 Washer D. 4 1
74 375-1728 2amp fuse 1
75 375-9821 30A fuse 1
76 375-9804 40A fuse 1
77 375-9803 50A fuse 1
78 375-9805 100A contactor 1
79 375-9806 Main circuit board 1
80 375-9820 Mousse M20 x 15 x 18 1
81 375-9819 24V 70A relay 1
82a 162-0045 12V 140Ah AGM battery 2 (agm)
82b 162-0057 12V 150Ah wet battery 2 (wet)
83 375-9776 Board 1

Battery Charger Assembly - 475-0123
RefNbr Part Number Description Req Notes
1 375-1732 Support 1
2 375-9823 24V charger onboard 1
3 375-1733 Insert 4
4 203-6059 Screw 5 x 16 inox 3
5 375-9666 Washer D5 inox 3
6 999-0740 Nut M5-.8 hex stainless steel 1
7 375-9645 Recovery hose clip 1
8 375-9516 Screw M4 x 10 inox 2
9 999-1619 Nut M4 hex stainless steel 2
10 375-1735 Baffle 1
11 375-9483 Screw M5 x 16 inox 2
12a 475-1749 CORD, POWER, CHRGR, 120VAC [S8-US/JP] 1 (OEM)
12b 991-3048 Charger cord 1 (NON-OEM)

Manual Battery Watering Kit-optional - 475-0124
RefNbr Part Number Description Req Notes
0 375-7845 Manual battery fill kit 1 (includes 1-4)
1 375-7846 Water manifold 1
2 375-9383 Battery hand pump 1
3 375-9385 Battery tag decal 1
4 175-7795 Cable tie 2

Wiring Diagram -

RefNbr Part Number Description Req Notes

- Batteries, Brushes, and Chargers - 475-0127
RefNbr Part Number Description Req Notes
162-0045 12V 140Ah AGM battery 2
162-0057 12V 150Ah wet battery 2
375-9823 24V charger onboard 1
475-1749 CORD, POWER, CHRGR, 120VAC [S8-US/JP] 1
375-7989 14 inch disk brush assembly 1
675-9537 Brush assembly disc 1

- Commonly Asked For Parts - 575-9900
RefNbr Part Number Description Req Notes
1 375-9643 Squeegee lift lever
2 675-9537 Brush assembly disc
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