Advance acoustic Convertamatic 28C Service Manual

2/05 revised 8/06 FORM NO. 56043098Convertamatic™ 24D, 26D, 28DConvertamatic™ 24C, 26C, 28CService ManualAdvance Models 56315000(24D-C), 56315001(26D

8 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28DKNOW YOUR MACHINEAs you read this manual, you will occasionally run across a bold n

FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D - 9KNOW YOUR MACHINE14 Solution Drain Hose / Level Indicator15 Squeegee Raise / Lowe

10 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28DKNOW YOUR MACHINEA Key Switch (Main Power)B Solution SwitchC Vacuum SwitchD Displ

FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D - 11KNOW YOUR MACHINEFUNCTIONAL DESCRIPTION OF CONTROL PANEL:The controls on the Conve

12 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28DKNOW YOUR MACHINEDESCRIPTION OF INDICATORS ON THE CONTROL PANEL:In general, the fo

FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D - 13SOLUTION SYSTEMFUNCTIONAL OVERVIEWSee Figure 1. The Convertamatic models have a s

14 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28DSOLUTION SYSTEMCIRCUIT OVERVIEW SOLUTION AUTO MODE (SOLENOID VALVE CIRCUIT)See Fig

FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D - 15SOLUTION SYSTEMSOLUTION SYSTEM MAINTENANCE• Solution Tank: See Figure 1. Weekly e

16 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28DSOLUTION SYSTEMTROUBLESHOOTING GUIDE ELECTRICALPossible Symptoms1-No solution fl ow

FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D - 17SOLUTION SYSTEMTROUBLESHOOTING GUIDE ELECTRICAL (CONTINUED)SYMPTOM TWONote: Activa

18 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28DSOLUTION SYSTEMSOLENOID VALVE REMOVAL1 Drain the solution tank or turn the soluti

FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D - 19SOLUTION SYSTEMSOLUTION FILTER AND BALL VALVE REMOVAL1 Drain the solution tank us

20 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28DSCRUB SYSTEMFUNCTIONAL OVERVIEW• Disc Brush System OverviewSee Figure 2. The mach

FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D - 21SCRUB SYSTEM• Scrub Brush Removal Function (Continued / Disc only)• Control and Lo

22 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28DSCRUB SYSTEMSCRUB BRUSH DECK REMOVAL (DISC)1 With scrub brushes installed lower t

FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D - 23SCRUB SYSTEMSCRUB BRUSH MOTOR/GEARBOX REMOVAL (DISC)1 Follow the steps in the Scr

24 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28DSCRUB SYSTEMSCRUB BRUSH DECK REMOVAL (CYLINDRICAL)1 With scrub brushes installed

FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D - 25FIGURE 4SCRUB SYSTEM

26 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28DRECOVERY SYSTEMFUNCTIONAL OVERVIEWVacuum / Recovery System GeneralDirt and water a

FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D - 27RECOVERY SYSTEMVACUUM MOTOR CONTROL CIRCUIT OVERVIEW (AUTO MODE) See Figure 2.+ (P

FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D - 1TABLE OF CONTENTSINTRODUCTION ...

28 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28DRECOVERY SYSTEMVACUUM / RECOVERY SYSTEM SERVICE MAINTENANCE CHECKLISTWhenever ther

FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D - 29RECOVERY SYSTEMMAINTENANCE OF RECOVERY TANK FLOAT SWITCHESIf the recovery tank fl o

30 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28DRECOVERY SYSTEMMAINTENANCE OF VACUUM MOTOR INLET SCREENThe Vacuum Motor Inlet Scre

FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D - 31RECOVERY SYSTEMVACUUM MOTOR REMOVAL1 Drain the recovery tank using the drain hose

32 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28DRECOVERY SYSTEMRECOVERY TANK REMOVAL1 Follow steps 1-5 in the Vacuum Motor Remova

FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D - 33SQUEEGEE SYSTEMSQUEEGEE LIFT LINKAGE ADJUSTMENTSee “Know Your Machine”. The squee

34 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28DSQUEEGEE SYSTEMSERVICING THE SQUEEGEEIf the squeegee leaves narrow streaks or wate

FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D - 35SQUEEGEE SYSTEMSQUEEGEE MOUNT ASSEMBLY REMOVAL1 See Figure 3. Disconnect Squeege

36 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28DSQUEEGEE SYSTEMCASTER WHEEL REMOVAL WARNING!Disconnect the battery pack connector

FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D - 37WHEEL DRIVE SYSTEMGENERAL FUNCTIONAL OVERVIEWSee Figures 1 and 2. A 300 watt (.4

2 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28DINTRODUCTIONThis manual will help you get the most from your Convertamatic. Read i

38 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28DWHEEL DRIVE SYSTEMFIGURE 2R1POT.5KOHMTHROTTLER2POT.100KOHMSPEEDLIMITM1MOTOR,WHEELD

FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D - 39WHEEL DRIVE SYSTEM R2 Voltage Values R1 Voltage Values 0V = Minimum Speed 0 –

40 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28DWHEEL DRIVE SYSTEMWHEEL DRIVE TROUBLESHOOTING GUIDEProblem Possible Cause• Wheel d

FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D - 41WHEEL DRIVE SYSTEMDRIVE MOTOR TRANSAXLE REMOVAL WARNING!Disconnect the battery pac

42 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28DWHEEL DRIVE SYSTEMDRIVE MOTOR TRANSAXLE REMOVAL CONTINUED4 See Figure 5. Jack th

FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D - 43WHEEL DRIVE SYSTEMDRIVE WHEEL REMOVAL WARNING!Disconnect the battery pack connecto

44 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28DWHEEL DRIVE SYSTEM(5K) POTENTIOMETER (R1) TESTING AND REMOVAL WARNING!Disconnect b

FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D - 45WHEEL DRIVE SYSTEM(5K) POTENTIOMETER (R1) INSTALLATION AND ADJUSTMENT (CONTINUED)5

46 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28DELECTRICAL SYSTEMBATTERIESIf your machine shipped with batteries installed do the

FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D - 47ELECTRICAL SYSTEMSPECIFIC WET CELL BATTERY INFORMATIONWet Cell Battery specifi cati

FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D - 3CAUTIONS AND WARNINGSSYMBOLSNilfi sk-Advance uses the symbols below to signal potent

48 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28DELECTRICAL SYSTEMCHARGING WET BATTERIESCharge the batteries each time the machine

FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D - 49ELECTRICAL SYSTEMBATTERY MAINTENANCE WET CELL BATTERIES Proper maintenance of elec

50 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28DELECTRICAL SYSTEMACTUATOR DRIVE NUT ADJUSTMENTThis manual section explains the ste

FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D - 51FIGURE 4

52 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28DELECTRICAL SYSTEMCURTIS CONTROLLER DIAGNOSTICS:Diagnostics Method A: Uses the mach

FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D - 53FIGURE 5ELECTRICAL SYSTEM

54 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28DELECTRICAL SYSTEMSTATUS LED FAULT CODES (TABLE 1)LED CODESTATUS LIGHTDISPLAYEXPLAN

FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D - 55ELECTRICAL SYSTEMINSTALLATION CHECKOUT FOR THE CURTIS SPEED CONTROLLER SAFETY!The

56 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28DELECTRICAL SYSTEMFUNCTIONAL OVERVIEW OF MAIN CONTROL BOARDThe primary function of

FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D - 57ELECTRICAL SYSTEMMAIN CONTROLLER ERROR CODESDisplay Code Fault Description Trouble

4 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28DTECHNICAL SPECIFICATIONSVoltage24 VoltPower Source(4) 6 volt batteries (wet acid an

58 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28DELECTRICAL SYSTEMSERVICE TEST MODE:To assist in the troubleshooting and servicing

FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D - 59FIGURE 6ELECTRICAL SYSTEM

60 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28DELECTRICAL SYSTEMBATTERY STATUS DISPLAY:The display will show the battery voltage.

FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D - 61ELECTRICAL SYSTEMOUTPUT CONTROLS (CONTINUED):Scrub On Switch (I):This switch is us

62 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28DELECTRICAL SYSTEMOUTPUT CONTROLS (CONTINUED):Solution Switch (B):This switch is us

FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D - 63ELECTRICAL SYSTEMMAIN CONTROL PROGRAMMING OPTIONSSelection of Low Voltage Cutout T

64 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28DELECTRICAL SYSTEMMAIN CONTROL PROGRAMMING OPTIONS (CONTINUED)Restoring the scrub p

FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D - 65ELECTRICAL SYSTEMMAIN CONTROL PROGRAMMING OPTIONS (CONTINUED)Turning Fault Detecti

66 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28DELECTRICAL SYSTEMMAIN CONTROL PROGRAMMING OPTIONS (CONTINUED)Light Scrub Setting A

FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D - 67ELECTRICAL SYSTEMMAIN CONTROL PROGRAMMING OPTIONS (CONTINUED)Heavy Scrub Setting A

FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D - 5SPECIFICATIONS

68 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28DELECTRICAL SYSTEMMAIN CONTROL PROGRAMMING OPTIONS (CONTINUED)LCD Style Selection:F

FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D - 69 Item Description A1 Control Board A2 Speed Control BT1 Battery F1 Fuse, 150

70 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28DELECTRICAL SYSTEMWIRING DIAGRAM / SCHEMATIC Item Description A1 Control Board A2

FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D - 71ELECTRICAL SYSTEMX29S4RECOVERY TANK FULL SWITCHX49X14L1COIL, SOLUTION SOLENOIDK2CO

72 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D Item Description 1 Solution Tank 2 Shut Off Valve 3 Inline Solution Filter

FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28D - 73 Item Description 1 Solution Tank 2 Shut Off Valve 3 Inline Solution Filter

74 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28DAPPENDIXDETERGENT (AXP™ / ECO+Solution™) SYSTEM PREPARATION AND USEFill the deterg

6 - FORM NO. 56043098 - Convertamatic™ 24C, 24D, 26C, 26D, 28C, 28DMAINTENANCE SCHEDULEMaintenance intervals given are for average operating condition

Advance Convertamatic™ 24/26/28 C/D ModelsCylindrical and Disc PM Checklist Defect Codes Customer A needs adjustmentB bindingAddress C dirty or cont