Clarke Encore L28 User manual

Form No. 79049B 6/03 CLARKE TECHNOLOGY Printed in the U.S.A.
READ THIS BOOK
This book has important information for the use and safe operation of this machine. Failure to read this
book prior to operating or attempting any service or maintenance procedure to your Clarke Technology
machine could result in injury to you or to other personnel; damage to the machine or to other property
could occur as well. You must have training in the operation of this machine before using it. If your
operator(s) cannot read English, have this manual explained fully before attempting to operate this
machine.
Si Ud. o sus operadores no pueden leer el Inglés, se hagan explicar este manual completamente antes
de tratar el manejo o servicio de esta máquina.
All directions given in this book are as seen from the operator’s position at the rear of the machine.
For new books write to: ALTO U.S. Inc., 2100 Highway 265, Springdale, Arkansas 72764.
Operator's
Manual
ENCORE
S28/L28
S33/L33
S38/L38

Page -26- CLARKE TECHNOLOGY Operator's Manual -Encore S28/L28/S33/L33/S38/L38
Clarke Technology Encore 28/33/38
Accessories - 6/02
ACCESSORIES
Description Part No.
Power Wand System Kit 10674A
ESP Recycle System Kit 10675A
Soft Caster Asm. 52127A
ClarkeTechnologyCareKit 14607A
SqueegeeAsm.,Optional29"(28modelonly) 18818A
DriveWheel,FoamFilled 59955A
Stature Electric Parking Brake Kit 10676A
Imperial Electric Parking Brake Kit 10684A
Brushes: Size Description Part No.
17" Poly 11424B
17" Grit-Heavy 11425B
17" Grit-Medium 11430B
17" Grit-Lite 10384A
17" SoftNylon 11428B
14" Poly 11427B
14" Grit-Heavy 11426B
14" Grit-Medium 11431B
14" Grit-Lite 10383A
14" SoftNylon 11429B
19" Poly 11434B
19" Grit-Heavy 11433B
19" Grit-Medium 11432B
19" Grit-Lite 10385A
19" SoftNylon 11435B
PadDrivers: Size Part No.
19" 17524B
17" 17520C
14" 17521C
Manual Numbers for Translations:
Part No. Description Part No. Description Part No. Description
79049B-FR French 79049B-DK Danish 79049B-DE German
79049B-ES Spanish 79049B-NL Dutch 79049B-SE Swedish
79049B-NO Norwegian 79049B-CZ Czk 79049B-IT Italian
79049B-PT Portuguese 79049B-FI Finnish
Optional Squeegee Blades
Machine Blade Type Material Length Part No.
28 Inner Optional Urethane,Ribbed(60) 25.88" 30951A
28 Inner Optional Urethane,Notched,1/16"(80) 25.88" 30955A
28 Inner Optional Urethane,Ribbed(60) 35.88" 30952A
28 Inner Optional-Grout Urethane,Notched1/16"(80) 35.88" 30957A
33 Inner Optional Urethane,Ribbed(60) 40.25" 30953A
33 Inner Optional-Grout Urethane,Notched1/16"(80) 41.00" 30958A
38 Inner Optional Urethane,Ribbed(60) 46.00" 30954A
38 Inner Optional-Grout Urethane,Notched,1/16"(80) 46.00" 30959A
28 Outer Optional Nitrile,Solid(40) 28.12" 30938A
28 Outer Optional Nitrile,Solid(40) 38.50" 30936A
33 Outer Optional Nitrile,Solid(40) 42.12" 30937A
38 Outer Optional Nitrile,Solid(40) 48.00" 30939A

Page -30- CLARKE TECHNOLOGY Operator's Manual -Encore S28/L28/S33/L33/S38/L38
CLARKE TECHNOLOGY Encore S28/S33/S38 and L28/L33/L38
Squeegee/Swing Arm Assembly Drawing 5/04
Drawing # 16616A - L / Drawing # 16617A - S
*Apply antiseize to threads
12
3
4
2
6
7
50
8
6
16
9
10
15
11 12 13
14
17
18
19
20
21
22
29
31
32 33
27 10
30 48
47
6
28
26
6
5
25
24
23
37
49
46
43
44
45
42
41
40 38
39* 37
32
28
34
35
36
53
53
53
53
16
52
51
54
NOTE:
#51 and
#52 are
on top of
the
bracket
for the
"S"
models
55
56
57
58

CLARKE TECHNOLOGY Operator's Manual - Encore S28/L28/S33/L33/S38/L38 - 31 -
Ref # Part No. Description Qty Model
1 57275A Pulley 2 All
2 87623A Washer, Nylon 1¼x¼x1/82 All
3 60452A Swing Arm, Front 1 All
4 86004A Screw, .25-20 x 1.50 2 All
5 85730A Screw, .375-16 x 1¼ 1 All
6 81104A Nut,HexESNASS 6 All
7 38021A Strap 1 All
8 61679A Cable, Lower 1 All
9 51613A Bumper 1 All
10 920110 Nut, ESNA 3 All
11 60332A SwingArm,Rear 1 All
12 920256 Nut, Hex 2 All
13 81105A Nut, ESNA SS 1 All
14 920296 Nut, 10-24 ESNA SS 1 All
15 962798 Screw, 10-24 x .50 1 All
16 87624A Washer, Nylon 1½x¼x1/82 All
17 80015A Screw, Shoulder 1 All
18 53423A Spring, Squ. Pressure 2 All
19 68016A Stud 2 All
20 170915 Screw, SS Hex 2 All
21 64905A THandle 3 All
22 980651 Washer, Flat .312 1 All
23 60678C PivotBracket 1 All
24 25201A Knob 2 All
25 35192A Hose, Squeegee Rec. 1 All
26 61267A Tube Bracket 1 All
27 34260B SqueegeeGasket 1 All
28 81301A Nut, Jam SS 4 All
29 59971A Wheel 2 All
30 65975A Wheel Mount Bracket 2 All
31 920248 Nut, Jam 2 All
32 980645 Washer, Flat 4 All
33 59950A Guide Wheel 2 All
34 980638 Washer, Lock 2 All
NOTE: When changing squeegee blades, it might be
necessary to loosen screw #39; install and secure blades
with clamp #44; then retighten screw #39. This will allow
fordifferentthickness.
CLARKE TECHNOLOGY Encore S28/S33/S38 and L28/L33/L38
Squeegee/Swing Arm Assembly Parts List 5/04
Ref # Part No. Description Qty Model
35 69673A Squeegee Base 1 28
69674A Squeegee Base 1 33
69675A Squeegee Base 1 38
69636A Squeegee Base, 29" acc. 1 28
36 85610A Screw, PN Phillips 2 All
37 38710A Spacer 2 28
38711A Spacer 2 33
38715A Spacer 2 38
38713A Spacer, 29" accessory 2 28
38 62712A Air Duct 1 All
39 80011A Screw, .375-16 x 3.00 2 All
40 37016A Grip Pad 1 All
41*30914A Blade,Inner 1 28
30915A Blade, Inner 1 33
30934A Blade, Inner 1 38
30930A Blade, Inner Ribbed 29" 1 28
42*30912A Blade,Outer 1 28
30913A Blade, Outer 1 33
30935A Blade, Outer 1 38
30931A Bade, Outer 29" acc. 1 28
43 62421A End Clamp 1 All
44 62442A Clamp, Weld 1 28
62443A Clamp, Weld 1 33
62444A Clamp, Weld 1 38
62441A Clamp, Weld 29" acc. 1 28
45 86004A Screw, .25-20 x 1.50 Hex 1 All
46 170932 Rivet 2 All
47 85702A Screw, .25-20 x 1.75 2 All
48 85816A Screw, .312-18 x 1.75 2 All
49 55722A Squeegee Strap Latch 1 All
50 81217A Nut, ½-20 1 All
51 920208 Nut, Hex ¼-20 1 All
52 980657 Washer, ¼ Lock 1 All
53 87625A Washer,Nylon 1¼x¼x1/32 4 All
54 18815K Asm., Squeegee 1 28
18816K Asm., Squeegee 1 33
18817K Asm., Squeegee 1 38
18818A Asm., Squeegee* 1 28
55 81303A Nut, ¼-28 1 All
56 54766A Insert,Threaded5/16-24 2 All
57 87026A Washer 4 All
58 87031A Washer, 3/8 Flat 1 All
* See accessory page

Page -32- CLARKE TECHNOLOGY Operator's Manual -Encore S28/L28/S33/L33/S38/L38
CLARKE TECHNOLOGY Encore S28/S33/S38 and L28/L33/L38
Traverse System Assembly Drawing 12/03
Drawing19021A
18
16
15
20
14
3
28
19
19
29
11
30
10
9
8
27
26
25
24
23
7
6
7
23
5
3
4
1
2
22
13
12
30
32
31
21
13
17

CLARKE TECHNOLOGY Operator's Manual - Encore S28/L28/S33/L33/S38/L38 - 33 -
Ref # Part No. Description Qty Model
1 66531A Swing Arm Pin 1 All
2 836711 Hair Pin 1 All
3 81104A Nut,.25-20 ESNA 2 All
4 69877A Swing Bracket 1 All
5 85811A Screw, .312-18 x .75 2 All
6 57275A CablePulley 1 All
7 87623A Washer, Nylon 1¼x¼IDx.120 2 All
8 86004A Screw, .25-20 x 1.50 1 All
9 85703A Screw,.375-16x1.50 6 All
10 85700A Screw, .25-20 x 1 1 All
11 920110 Nut, .312-16 ESNA 2 All
12 899769 Caster Assembly 2 All
13 81105A Nut,.375-16ESNA 12 All
14 59116A Transaxle,Imperial 1 All
(seepage46, 45 for parts)
15 85730A Screw, Hex 4 All
16 59969A Wheel Assembly* 2 All
59955A Wheel, Foam Filled (opt.) 2 All
17 32417B WheelCover 2 All
18 81221A LugNut,50-20UNF 6 All
19 980614 Washer, Star Lock .25 3 All
20 60230A MainFrame 1 All
21 65963A TransaxleMount 2 All
22 69712A Spacer 2 All
23 87625A Washer, Nylon 1¼x¼IDx3/32 2 All
24 80011A Screw, 3/8-16 x 3 2 All
25 81207A Nut, 3/8-16 2 All
26 170883 Washer, Lock 3/82 All
27 58419A Stud, 3/8M x 3/8F 2 All
28 980205 Washer,.25Fender 2 All
29 69639A Strap, Static 1 All
30 980645 Washer, Flat 3/86 All
31 962244 Screw, 3/8-16 x ¾ 4 All
32 980638 Lockwasher3/84 All
*30039Atube,inner(includedinitem#16)1Ref.
CLARKE TECHNOLOGY Encore S28/S33/S38 and L28/L33/L38
Traverse System Assembly Parts List 12/03
Drawing19021A

Page -34- CLARKE TECHNOLOGY Operator's Manual -Encore S28/L28/S33/L33/S38/L38
CLARKE TECHNOLOGY Encore S28/S33/S38 and L28/L33/L38
BrushHeadAssemblyDrawing 4/02
Drawing # (i) 11453A, 11449A, 11452A / Drawing # (ix) 11448A, 11445A, 11450A
1
36
23457
68
11
14
12
13
15
16
17
18
18 12 20 10
9
29 28 27
26
24
24
25 23
6
7
9
1
3
31
21
22
32
33
34
35
27
1835
37
38
39
40
49
48
41
51
50
4
59
60 52 58
53
54
55
45
47
46
56 57
72 44
43
27
42
63 64
45
62
61
65
66
49
67
69
68
70
30
68
71
73
38


CLARKE TECHNOLOGY Operator's Manual - Encore S28/L28/S33/L33/S38/L38 - 35 -
CLARKE TECHNOLOGY Encore S28/S33/S38 and L28/L33/L38
BrushHeadAssembly PartsList 8/04
Ref # Part No. Description Qty Model
1 82501A Pin 2 All
2 60230A MainFrame Ref All
3 766780 HairPin 2 All
4 962244 Screw, .375-16x.75 9 All
5 69883A Switch Bracket 1 All
6 980608 Washer, #6 4 All
7 920056 Nut, #6-32 ESNA 4 All
8 81105A Nut,.375-16ESNA 1 All
9 920110 Nut, .312-18 ESNA 6 All
10 65972A Switch Mount 1 All
11 47374A Lever, Switch 1 All
12 962980 Screw,#6-32x1.00PN 4 All
13 38708A Nylon Spacer 2 All
14 42401A Diode 1 L series
15 50208A Actuator & Tube Asm. 1 S series
50209A Actuator & Tube Asm. 1 L series
(includes item #73)
16 69188A Head Pressure Tube 1 All
17 85744A Screw,.25-20x2.75 1 All
18 87007A Washer, Flat .25 5 All
19
20 47422B Whisker Switch 1 All
21 63032A Linkage Bar 4 All
22 85838A Screw, .50-201.50 8 All
23 67705B Sleeve Bearing 8 All
24 920278 Nut, Jam 50-20 16 All
25 980626 Washer, Lock .50 8 All
26 980673 Washer * 4 All
27 81104A Nut, .25-20 ESNA 5 All
28 38725A Sleeve 1 All
29 38723A Nylon Spacer 2 All
30 53421A HeadPressureSpring 1 L series
53422a HeadPressureSpring 1 S series
31 65966A Brush Head Mount 1 All
32 41601A Connector 4 All
41602A Housing 4 All
33 45036B Brush Motor 1.00 HP 2 All
34 915102 Key 2 All
35 170915 Screw, Hex 4 All
36 80044A "U" Bolt 1 All
37 48703A ElectricValve 1 All
38 50248A HoseClamp 2 All
39 30455A Hose 1 All
40 38014A SolutionSplitter 1 All
41 35250B LeftBrushHousing 1 28
35244B LeftBrushHousing 1 33
35246B LeftBrushHousing 1 38
42 38242A Left Skirt 1 28
38244A Left Skirt 1 33
38246A Left Skirt 1 38
*Used only as required to square up linkage bars #21 to the frame.
**Attach to Brush Motor.
***See page 27 for installation
Ref # Part No. Description Qty Model
43 782002 Clamp 2 All
44 30453A Brush Hose 2 All
45 81109A Nut, 8-32 ESNA SS 4 All
46 833802 Gimbal, Female 2 All
47 838301 Brush Holder Spring 2 All
48 55721A Latch 1 All
49 962992 Screw, 8-32x.62 SS 4 All
50 980638 Washer, Lock .375 8 All
51 962495 Screw, .25-20x1.00Pn Hd 6 All
52 59856A Rubber Washer 2 All
53 34400B Gimbal, Male 2 All
54 962714 Screw,.312-18x.75 Soc. 2 All
55 11427B Poly Brush Assembly-14 2 28
11424B Poly Brush Assembly-17 2 33
11434B Poly Brush Assembly-19 2 38
11426B Grit Brush Assembly-14 2 28
11425B Grit Brush Assembly-17 2 33
11433B Grit Brush Assembly-19 2 38
17521C Pad Driver Assembly-14 2 28
17520C Pad Driver Assembly-17 2 33
17524B Pad Driver Assembly-19 2 38
56 56941A Center-Lok Asm. 2 All
(Pad Driver Only)
57 962737 Screw, 10-16x.88 6 All
(Pad Driver Only)
58 61658A Gimbal Collar 2 All
59 66232A Brush Plate-28 1 28
66233A Brush Plate-33 1 33
66234A Brush Plate-38 1 38
60 85811A Screw, .312-18x.75 Hex 4 All
61 38243A Right Skirt 1 28
38245A Right Skirt 1 33
38247A Right Skirt 1 38
62 69186A Latch Tab 1 All
63 85610A Screw, .375-16x2.5
SS Pn 1 All
64 85616A Screw, 10-22x.62 Pn SS 11 28
85616A Screw, 10-22x.62 Pn SS 12 33 38
65 82004A "T" Nut 10-32 11 28
82004A "T" Nut 10-32 12 33 38
66 55451A Keeper 1 All
67 30016A Right Brush Housing 1 S28
30017A Right Brush Housing 1 L28
30012A Right Brush Housing 1 S33
30013A Right Brush Housing 1 L33
30014A Right Brush Housing 1 S38
30015A Right Brush Housing 1 L38
68 920248 Nut, .375-16 Jam Thin ESNA 2 All
69 59950A Guide Wheel 1 All
70 980645 Washer, Flat .375 2 All
71 980638 Lockwasher 1 All
72 722021 Hose Clamp 2 All
73*** 46742A BrushHeadSensor 1 Lseries
**NI 77353A Label, Front Motor 1 Sseries
**NI 77352A Label, Front Motor 1 Lseries
**NI 77091A Label, Moving Parts 2 All

Page -36- CLARKE TECHNOLOGY Operator's Manual -Encore S28/L28/S33/L33/S38/L38
CLARKE TECHNOLOGY Encore S28/S33/S38 and L28/L33/L38
Solution/RecoverySystemAssembly Drawing 5/00
4
29
166
3
7
6
5
2
26
25 24
23
22
720
24
18 45
21
68
12
11
10
9
8
76
69
21
13
46
15 16
17
49
50
51
52
28
57
70
58
56
55
54
53
24
67
71
72
59
60
44
65
64
44
61
62
63
44
60
44
43
38 39 40 41
35 36
37
73 74 75
31 30
34
32
33
29
47
48
7778 79
2876
27
42
28
32
32

CLARKE TECHNOLOGY Operator's Manual - Encore S28/L28/S33/L33/S38/L38 - 37 -
Ref # Part No. Description Qty Model
1 34265A Recovery Lid Gasket 1 All
2 36204A Recovery Lid 1 All
3 39338A StandTube 1 All
4 40002A Float Switch (include #5 1 All
& 2 each #21 & #68)
5 56459A Strain Relief 1 All
6 87612A Seal 1 All
7 837304 O-Ring 2 All
8* 920797 Nut 1 All
9 643418 Gasket 1 All
10 58533A Vac Motor Spacer 3 All
11 87026A Washer, Flat .25 3 All
12 85728A Screw, .25-20 x 4.00 Hex 3 All
13 45019A Vac Motor (also order 1 All
2 each #21 and #69)
14 77365B Label,BatteryInstallation 1 All (NI*)
15 85815A Screw,.312-18x1.25Hex 4 All
16 980652 Washer, Lock .312 4 All
17 980205 Washer, Fender .312 4 All
18 35192A VacHose 1 All
19 77093A Label,FallingParts 1 All (NI*)
20 30133A SqueegeeAdapter 1 All
21 41809A Contact 4 All
22 82100A Locknut 1 All
23 35165A Recovery Tank Drain Hose 1 All
24 872010 HoseClamp 3 All
25 36903A Hinge Pin 4 All
26 38813C Recovery Tank, incl #25 1 All
27 881317 Battery - 250 AH - 6 Volt 6 All
891384 Battery - 330 AH - 6 Volt 6 All
40704A Battery - 370 AH - 6 Volt 6 All
28 38020A Strap 4 All
29 962798 Screw, 10-24x.5 Pan 2 All
30 980645 Washer, Flat .375 2 All
31 81105A Nut, .375-16 ESNA 2 All
32 920296 Nut, 10-24 ESNA 4 All
33 36200A SolutionLid 1 All
34 32409B FrontCover 1 28,33
32419B FrontCover 1 38
CLARKE TECHNOLOGY Encore S28/S33/S38 and L28/L33/L38
Solution/Recovery System Assembly Parts List 4/04
Ref # Part No. Description Qty Model
35 69879A SupportBracket 1 All
36 170892 Washer, Lock .25 2 All
37 170915 Screw, .25-20x.75 SS Hex 2 All
38 87622A Washer,Nylon5/16x5/8x1/32 1 All
39 80043A Screw,Shoulder.25-20x25 1 All
40 69548A RecoveryTankSupport 1 All
41 55723A Latch 2 All
42 962027 Screw,8-32x.50Pn. 4 All
43 50359A Barb, ½ NPTF x 3/4Hose 1 All
44 722030 HoseClamp 6 All
45 842406 Series Cable - 9" 3 All
41206A Series Cable - 16" 2 All
46 41208A BatteryCable 1 All
47 87054A Washer,Fender.375x1¼ 2 All
48 85703A Screw,.375-16x1.50Hex 2 All
49 38812C SolutionTank 1 All
50 64900A StationaryHandle 1 All
51 30454A Hose 2 All
52 962987 Screw,10-24x.375Pn. 2 All
53 833901 DrainValveHandle 2 All
54 833407 DrainGasket 2 All
55 839401 DrainValve 2 All
56 832002 HoseClamp,DrainValve 2 All
57 962943 Screw, 8-18x.5 Pn. 2 All
58 30449A DrainHose 1 All
59 59614A BatteryDrainValve 1 All
60 30445A SolutionHose 2 All
61 50358A Connector 1 All
62 838517 FilterScreen 1 All
63 830214 HoseAdapter 1 All
64 822802 Elbow 1 All
65 30453A Hose 1 All
66 58069A Vac Filter 1 All
67 98465A Clamp,Metal 1 All
68 43402A Housing,Blue 2 All
69 43401A Housing - Black 2 All
70 839410 Asm.,DrainValve
71 980657 Washer, ¼ Lock 1 All
72 962139 Screw,¼-20x5/8 1 All
73 39713A Washer,Rubber 1 All
74 87032A Washer 1 All
75 85524A Screw 1 All
76 962666 Screw 2 All
77 962113 Screw10-32x1 1 All
78 51867A CableClamp 1 All
79 81800A Well Nut 1 All
80 77092A Label,Gases&Chem. 1 All(NI*)
N*Recommendedtorque
175 5 inch/ pounds.
*klskfjlksdjflkjflksajflkjfdlksfdj
+
_
(NI*) = Not Illustrated