Tennant 7100 Manuel de formation

IB 340425 (1-01) 1

No. 340425

Machine: 7100

Published: 1-01/01

System: OPTIONS

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.

Installation instructions for kit number 391041

SYNOPSIS / PROBLEM:

This kit contains the parts needed to install an Extended Scrub kit on the model 7100

scrubber.

Please follow step-by-step instructions.

SPECIAL TOOLS / CONSIDERATIONS: NONE

(Estimated time to complete: 3 hours)

PREPARATION:

(Refer to FIG. 1 thru 5)

1. Check solution and recovery tanks. If tanks are not empty, drive machine to a proper

solution drain. Empty the solution and recovery tanks.

FOR SAFETY: Before leaving or servicing machine, stop on level surface and set parking

brake. Then turn off machine and remove key.

2. Drive machine to a clean and level work area. Disconnect battery cables from machine.

WARNING: Always disconnect battery cables from machine before working

on electrical components.

ESt

tKIT INSTALLATION:

(Refer to FIG. 1 thru 5)

1. Disconnect, remove and set aside the drain caps

and hoses from both tanks. Remove and set aside

the drip shield and two mounting bolts.

IB 340425 (1-01)2

2. Remove and set aside the machine tank cover, cable

and mounting bolts.

3. Disconnect the vacuum fan connector from the main

harness. Remove and set aside the vacuum fan

assembly and three mounting bolts.

(Refer to FIG. 4 and 5)

4. Lift the operator seat, and disconnect the seat

pressure switch from the main harness. Disconnect

the seat prop rod from the machine frame. Disconnect

and remove the seat support weldment and operator’s

seat from the machine frame. Set the seat, weldment

and mounting hardware aside.

5. Disconnect the battery cables from the front and

middle batteries on the left hand side of the machine.

Remove the middle battery from the battery

compartment and set it aside. Slide the front battery

back to access the two solution tank mounting bolts in

the left wall of the seat support.

IB 340425 (1-01) 3

6. Locate, remove and set aside two solution tank

mounting bolts in the battery compartment. Locate,

remove and set aside the L bracket on top and the

mounting bolt under the tank, securing the solution

tank to the machine. (Refer to FIG. 1)

7. Disconnect 0.62 in Æsolution hose under the frame

at the 90°elbow. (Refer to FIG. 1)

8. Remove and set aside the solution tank.

9. Install the new dual pressure switch (15) and 14” tube

(14) in the recovery tank. Connect the vacuum hose to

the new dual pressure switch (15). Connect the dual

pressure switch (15) to 22/BRN and 13W/BLK from

the main harness. (Refer to FIG. 2,4 and 5)

10.Remove the plastic plug from the inside bottom of the

recovery tank. (Refer to FIG. 1)

IB 340425 (1-01)4

11. Install the new solution screen (1) with the male (2)

and female plastic fittings (3), in the bottom of the

recovery tank, in place of the plastic plug. Apply ’No

more leaks’ to seal the end of the male fitting going

into the tank. (Refer to FIG. 2)

12.Apply ’No more leaks’ to the threaded end of one 90°

fitting (5). Thread the 90°fitting (5) into the drain hole

on the underside of the recovery tank.

(Refer to FIG. 2)

13.Apply ’No more leaks’ to the end of the 90°fitting (6).

Thread the 90°fitting (6) into the end of the solution

pump (4). Thread the 90°fitting (5) into the open end

of 90°fitting (6), using ’No more leaks’ to seal the

fittings. Thread the straight fitting (7) into the top side

of the solution pump (4), using ’No more leaks to seal

the connection. Connect one end of the 8” braided

hose (10) to the 90°fitting (5) with a hose clamp (11).

(Refer to FIG. 2)

14.Mount the solution pump (4) to the rear of the

machine frame with pump bracket (8), hex screws

(18) and washers (19). Connect the solution pump to

23J/ORA and 31/PNK from the main harness.

(Refer to FIG. 2, 4 and 5)

IB 340425 (1-01) 5

15.Connect the open end of the 8” braided hose (10) to

the open end of the 90°fitting (5) under the recovery

tank with a hose clamp (11). (Refer to FIG. 2)

16.Connect one end of the 36” long braided hose (12) to

the straight fitting (7) in the top of the solution pump

(4) with a hose clamp (11). (Refer to FIG. 2)

17.Disassemble the straight fittings securing the mesh

filter in the bottom of the solution tank. Insert the 45°

plastic fitting (13) between the straight fittings, so the

mesh filter will sit level when the solution tank is

remounted. (Refer to FIG. 2)

18.Remount the solution tank back onto the machine

frame with set aside mounting hardware. (Check that

the 0.62 in Æhose is routed through the frame

opening).

IB 340425 (1-01)6

19.Reconnect the 0.62 in. Æsolution tank hose below the

frame to elbow.

20.Remove the rubber plug 390994 covering the check

valve opening in the side of the solution tank. Install

the check valve (20) in the opening, so the check

valve flapper will empty into the solution tank. Connect

the open end of the 36” long braided hose (12) from

the solution pump to the check valve, with a hose

clamp (11). (Refer to FIG. 2)

21.Remove and discard the old pressure switch

assembly from the solution tank. Install the new 8”

tube and switch assembly (16). Connect the switch

wire BRN to main harness 35/GRN and switch wire

BLK to 13Y/BLK on the main harness.

(Refer to FIG. 2, 4 and 5)

22.Reinstall the vacuum fan assembly with the three set

aside mounting bolts. Reconnect the vacuum fan

harness to the main harness. (Refer to FIG. 3)

IB 340425 (1-01) 7

23.Replace the machine tank cover and cable with the

set aside mounting bolts.

24.Replace the drip shield with the two set aside

mounting bolts. Replace the set aside drain caps and

hoses on both tanks.

25.Slide the battery in the middle position, back to the

front of the machine. Replace the set aside battery

back in the left, middle opening. Reconnect the battery

cables to the front and middle batteries on the left

hand side of the machine.

26.Reinstall the operator’s seat, and seat support

weldment with the set aside mounting hardware. Lift

the operator seat, and reconnect the seat prop rod to

the seat support frame, and the safety pressure switch

to the main harness. Disengage the seat prop rod,

and lower the operator’s seat.

IB 340425 (1-01)8

ESt

tDRAIN KIT INSTALLATION:

(Refer to FIG. 3)

27.Mount the hose seal (10) in the center of the cover

insert (11). Mount the lid gasket (8) around the edge

of the cover insert (11). (Refer to FIG. 3)

28.Slide the lid gasket (16) over the hose, and onto the

end of the drain hose assembly (17).

(Refer to FIG. 3)

29.Install the new lid assembly onto the drain hose

assembly (17). (Refer to FIG. 3)

IB 340425 (1-01) 9

30.Mount the hose clamp (12) to the end of the drain

hose assembly (17) with the hex screw (13), flat

washers (14) and lock nut (15). (Refer to FIG. 3)

31.Mount the assembly cover (7) over top of the new

lid assembly with the drain cap gasket (9).

Thread the drain cap (6) onto the insert cover (11)

Mount the cap retainer strap (5) to the drain

hose (17). (Refer to FIG. 3)

32.Mount the cap gasket (3) inside of the tank drain

cap (2) with the retaining ring (4). Secure the tank

drain cap to the retaining strap (5). (Refer to FIG. 3)

33.Close both tanks, and reconnect the battery cables

to the machine. Start the machine and drive the

machine to the tank filling station.

34.Turn the machine power off and fill the solution

and recovery tanks accordingly.

35.Turn the machine power on, and check the scrubbing

systems for proper operation.

IB 340425 (1-01)10

Replace 34” tube assembly

with 8” tube assembly

Remove rubber plug 390994

and install check valve

Install 45°

°°

°plastic fitting between

straight fittings to level mesh filter

Replace pressure

switch with dual

pressure switch

Replace 8” tube assembly

with 14” tube assembly

Remove plastic plug

Disconnect short braided hose

before removing solution tank

FIG. 1 -- STANDARD SOLUTION AND RECOVERY TANK ASSEMBLY

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