Tennant 7 - User Manual

KIT NO. 9014094
Page1of16
9014108 Rev. 01 (11- 2017) Tennant Company www.tennantco.com
T7 Disk Model
ec-H2O NanoClean Affiliat e Kit
This kit includes the necessary parts to convert a standard disk model into an ec-H2OtNanoClean model.
The kit is intended for T7 models manufactured after serial number 10740597 (March 31, 2015).
INSTALLATION INSTRUCTIONS:
Installation Time: 4 Hours
Spe c ia l Tools Requir e d: Cartridge By-Pass Tool to test
machine for leaks after install (provided separately).
PREPARE MACHINE FOR KIT INSTALL:
1. Drain the solution and recovery tanks.
2. Park the machine on a level surface, lower the scrub
head and remove the key.
3. Disconnect the seat wire harness connector and lift
seat from machine (Figure 1).
FOR SAFETY: When servicing machine wear personal
protection equipment as needed.
Fig. 1
3. Remove the small box from the battery compartment
shroud to access the two mounting screws that
secures shroud. Remove screws and lift battery
compartment shroud from machine (Figure 2).
Twist
box to
remove
from
shroud
Fig. 2
4. Remove batteries and battery tray from the machine.
5. Disconnect steering wheel and instrument panels from
steering column. Remove four screws and lift steering
column housing from column (Figure 3).
Fig. 3
6. Remove scrub head from machine. To remove, pull 4
pins from scrub head assembly as shown. Disconnect
brush motor wire connectors, solution hose
connection, solution valve wires and ground wire from
scrub head. Carefully slide scrub head out from under
machine(Figure4).
Fig. 4

Summary

Installation Instructions

Prepare Machine for Kit Installation

Steps to prepare the machine before installing the kit, including draining tanks and disconnecting components.

Install ec-H2 O Wire Harness

Wire Code Diagram and Routing

Reference diagram and routing instructions for the ec-H2O wire harness installation.

Connecting LED Light and Instrument Panel

Steps for connecting the LED light and assembling the instrument panel components.

Reconnecting Key Switch Panel and Replacing Steering Wheel

Reconnecting panel components and replacing the steering wheel during harness installation.

Routing Wires to Control Board and Contactor

Routing main and negative stand-off wires to the control board area.

Install ec-H2 O Pump Assembly

Preparing Machine for Pump Installation

Laying the machine on its side to access and install the pump assembly.

Routing Harness and Connecting Pump Assembly

Routing harness connectors and securing the ec-H2O pump assembly to the machine.

Connecting Solution Hose to Pump

Cutting the hose plug and connecting the solution hose to the ec-H2O pump.

Routing Pump Solution Hose to Scrub Head

Routing the ec-H2O pump solution hose towards the scrub head area.

Prepare Scrub Head

Installing Hose Support Brackets

Installing hose support brackets at each motor hub location on the scrub head.

Install ec-H2 O Module Assembly

Mounting Module Assembly to Machine Frame

Removing screws and mounting the ec-H2O module assembly to the machine frame.

Connecting Hoses and Harness to Module

Connecting solution hoses and ec-H2O harness wires to the ec-H2O module.

Connecting Hose to Solution Manifold

Connecting the solution hose from the ec-H2O module to the solution hose manifold.

Prepare Battery Compartment Shroud and Seat Panel

Installing Cover Bracket and Foam Strips

Installing cover bracket and applying foam adhesive strips to the seat panel.

Re-installing Seat Panel and Battery Tray

Re-installing the seat panel, reconnecting harness, and battery tray.

Program the ec-H2 O Module

Setting Machine Configuration

Steps to view and set the machine configuration via the indicator lights.

Operating the Self-Test Mode

Running the self-test mode by pressing specific buttons and turning the key.

Check ec-H2 O NanoClean System Operation

System Check Procedure

Connecting bypass tool, filling tank with water, and checking for leaks.

Manual Mode Operation and Leak Check

Entering manual mode, verifying water output, and performing a final leak check.

Install ec-H2 O Water Conditioning Cartridge

Check Cartridge Shelf-Life and Fill Date

Verifying cartridge manufacture date and filling the installation date on the label.

Position Cartridge and Connect Hoses

Removing plugs and connecting the green hoses to the water conditioning cartridge.

Set Timer for Water Conditioning Cartridge

Setting the Water Conditioning Cartridge Timer

Setting the timer by pressing service and solution flow buttons on the ec-H2O module.

Install ec-H2 O NanoClean Labels

Applying New ec-H2 O NanoClean Labels

Applying the new ec-H2O NanoClean labels to the machine using tick-marks for alignment.

T7 ec-H2 O NanoClean Wire Harness Diagram

Wire Harness Diagram and Connections

Diagram showing the ec-H2O wire harness layout and specific connection points.

Tennant 7 Specifications

General

Brand	Tennant
Model	7
Category	Scrubber
Language	English