MASTERBLEND MASTERFORCE Maintenance Manual

MasterForce

Operating and

Maintenance Manual

MASTERFORCE

Congratulations and thank you for buying a MASTER-

ORCE™ portable extractor. The MasterForce is designed to

F
give you truckmount performance in a portable machine that
is versatile to use and easy to transport. Years of experience,
engineering, planning, and practical know-how has gone into
the design and manufacture of the MasterForce. We take a
great deal of pride in MasterForce and want you to be com­pletely satisfied with your purchase. Please take the time to
read this manual before operating the machine—it will be
time well spent.

SETUP AND OPERATION

ELECTRICAL CONNECTIONS

Plug electrical cords into grounded wall outlets. Master­Force is designed to run on a 15 AMP and a 20 AMP circuit.
You will normally find 20 AMP separate circuits in the
kitchen and in bathrooms. Never remove the ground plug
from the end of the cord. If a circuit breaker trips during
operation, reset the breaker and move electrical cord to dif­ferent outlet and resume operation. When cords are plugged
into “live” receptacles, the control switches will glow. If the
lights on the switches do not glow, this indicates that the wall
receptacle may be dead. Simply move the cord to a different
outlet. If the power cord is damaged, it must be replaced by a
qualified service person.

chemical feed metering valve (see Figure 1). Unscrew the col-

red metering tip and replace with the tip that corresponds to

o
the portable dilution ratio for your cleaning product (refer to
Figure 2). Reconnect the plastic supply tube.

Liquid Concentrates: MasterForce comes with the purple

etering tip installed at the factory. This tip is rated for .50

m
oz. of chemical per gallon of water, which is a standard dilu­tion ratio for the most popular liquid cleaning products on the
market. Refer to your product’s dilution ratio for portable
extractors, and select the proper metering tip from Figure 2
(“Liquid Concentrated Dilution Ratio”).

Powder Concentrates: For powdered cleaning detergents,
a liquid concentrate must be made. Combine two (2) cups of
powder in a one gallon solution jug. Fill the jug with water up
to the one gallon mark. Use the tip that corresponds to the
portable dilution ratio for your powdered cleaning product
(refer to Figure 2, “Powder Concentrated Dilution Ratio”).

Fresh Water Rinse: For fresh water rinsing simply leave
the chemical supply tube in the solution tank.

Manual Filling: To use the MasterForce without the auto­matic filling system, simply pre-mix your solution in a bucket
of water, and pour into the solution tank. See Figure 3 for a
detailed break-down of the chemical feed system.

Figure 2

WARNING:

with water based cleaning solutions, such as, low
foaming detergents or acid rinses. NEVER USE DRY
SOLVENT SOLUTIONS! The use of dry solvents in
your MasterForce will void the warranty. Not
designed for outdoor use. Children should not be
allowed to play with machine.

AUTOMATIC CHEMICAL FEED (If Equipped)

Chemical Metering: The MasterForce may be equipped

with an automatic water fill/chemical feed metering system. As

Metering Tip Replacement

The MasterForce is designed for use

Figure 1

the solution tank fills
with water, cleaning
concentrate is drawn
into the solution tank at
a designated rate via a
metering tip. A com­plete set of metering tips
is included.

To adjust the amount
of cleaning concentrate
being drawn, simply
remove the plastic sup­ply tube from the

Concentrated Dilution

Ratio (oz/gal)
Tip Color Liquids Powders
Clear 0.25 —
Purple 0.50 —
Yellow 1.00 —
Green 1.50 —
Pink 2.00 0.25
Turquoise 3.20 0.40
Black 4.00 0.50
Gray 5.00 0.63
Red 6.50 0.81
Blue 8.00 1.00
Brown 10.50 —
White 13.00 —
Orange 16.00 —
None 35.00 —

Metering Tip Dilution Ratios

Setup: Inside the solution tank is a bottle float suspended
on a chain. The length of the chain determines the level of
solution in the tank and can be adjusted. Check the chemical
feed supply foot valve for debris, and clean if necessary.
Insert the line into the cleaning concentrate so that it touches

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the bottom of the bottle. Set cleaning concentrate in the solu­tion holder.

Connect the fill hose to the quick disconnect located on the

ide of the machine. Attach the water supply hose to any

s
available faucet. A faucet-to-hose adapter is provided to prop­erly attach your water supply hose to the most commonly
found faucets. It may require adapters to fit the various faucet
combinations you will encounter. Never force a threaded fit­ting. Place a towel over the faucet connection so that any
spray will be controlled. Turn on the water and check the
hose connections for leaks.

The solution tank will fill approximately 7 gallons, which
can be increased by shortening the chain. As the tank is filling,
cleaning concentrate is being drawn into the solution tank.

Shutdown: Before the end of each job, turn off the water
supply, to prevent the solution tank from being completely full.
With the cleaning completed and the solution pump turned off,
disconnect the fill hose from the faucet, drain the water in the
fill hose back into the solution tank, and remove the fill hose.
Remove the chemical feed supply tube from the chemical solu­tion jug and clean the filter. Vacuum out the solution tank.

Priming the Solution Pump: If you are experiencing
pressure fluctuations, pulsation in the solution hose, or not
maintaining pressure, you will need to prime the solution
pump by engaging the Power Prime Valve (if equipped)
located next to the pressure regulator on the front of the
machine. Making sure there is sufficient water in the solution
tank, depress the Power Prime Valve for about 30 seconds
and any air will be purged out of the pump system and pres­sure should immediately be restored. Caution: Please be

aware that depressing the Power Prime Valve will also spray
both air and water out the bottom of the valve. If you wish to
avoid having water on the floor, you should have your vac­uum hose hooked up to the machine, have the vacuum motors
on and have the vacuum cuff on the end of the vacuum hose
held under the Power Prime Valve to catch any water coming
out of the valve.

VACUUM SYSTEM

Vacuum Motors: The MasterForce utilizes a unique two-

-vacuum system which produces both outstanding vacuum
lift and air flow for superior extraction and drying times. The
vacuum system can be used with one or two vacuum motors
for cleaning delicate fabrics, or both vacuum motors for car­pet cleaning and water extraction.

Waste Tank: The vacuum system requires proper mainte­nance of the waste tank filter bag. Refer to the
MAINTENANCE section for removal and proper cleaning of
the filter.

It is also necessary to use a defoamer to eliminate foam
build-up in the waste tank which could lead to foam/moisture

entering the vacuums and contributing to early failure of the
vacuum motors. Failure to properly maintain the filtration
system and utilize defoamer, will void the warranty on the
vacuum motors.

If moisture does enter the vacuum motors, refer to “WD-40
Vac Motors” under MAINTENANCE. To prevent moisture
from damaging the vacuum motors during storage, empty the
waste tank and store with the lid open.

AUTOMATIC WASTE PUMP-OUT

Connect the black 1-1/4˝ x 50´ drain hose to the automatic
pump-out port located in the upper right corner on the front
of the machine. Secure the other end of hose where you wish
to direct the discharge of waste water, such as a toilet or sink.

Fasten the discharge end of hose tightly. Turn on the Auto­matic Pump-Out switch. The pump will turn on
automatically when water in the waste tank is approximately
1/3 full. The pump will discharge the waste water down to a
level of about 2 inches in the waste tank. DO NOT TURN
ON THE AUTOMATIC PUMP-OUT SWITCH WITHOUT
THE DRAIN HOSE IN PLACE. This pump-out system has
been designed to stay up with flood restoration work and is
capable of pumping 20 gallons per minute.

ACCESSING COMPONENTS

Drain the solution and waste tanks, disconnect all hoses,
and unplug the electrical cord(s). Release the two latches on
the front of machine and lay the top open.

FILL HOSE SCREEN

Located in the female garden hose fitting on the Automatic
Fill Hose. Remove screen, clean, and replace.

CHEMICAL FEED FOOT VALVE

The foot valve is on the end of the chemical supply tube of
the automatic chemical feed system. It is not necessary to
remove the filter from the tubing. Just rinse with fresh water.
If necessary, use a tooth brush to remove detergent build-up.
Note: a heavy build-up is a warning sign that the solution sys­tem should be flushed—see “Flushing Solution System.”

FRESH WATER TANK FILTER

Located inside the bottom housing by the pump. Unscrew
the filter counterclockwise and rinse with fresh water. If nec­essary use a tooth brush to remove detergent build-up. Note:
a heavy build-up is a warning sign that the solution system
should be flushed—see “Flushing Solution System.”

(If Equipped)

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Figure 3

AUTOMATIC CHEMICAL FEED SYSTEM

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ITEM# PART# PART DESCRIPTION

1 740100 COMPLETE ASSEMBLY
2 740102 BODY/DIAPHRAGM ASSEMBLY
3 740103 BODY
4 740104 DIAPHRAGM
5 740105 CLOSING SPRING
6 740106 VALVE COVER O-RING
7 740107 VALVE COVER
8 740108 VALVE COVER SCREWS (PAIR)

9 740109 SHUT OFF VALVE ASSEMBLY
10 A SHUT OFF DISC & STEM ASSM
11 B SHUT OFF SPRING
12 C SHUT OFF PLATE
13 D SHUT OFF STEM O-RING

ITEM# PART# PART DESCRIPTION

14 E SHUT OFF COVER O-RING
15 F SHUT OFF COVER
16 G STEM NUT WITH SET SCREW
17 H LEVER ASSEMBLY
18 I LEVER ASSEMBLY SCREWS (2)
19 740119 RUBBER WASHER
20 740120 BACKFLOW PREVENTER
21 740121 PROPORTIONER
22 740122 METERING TIP KIT
23 740123 CHEMICAL SUPPLY TUBING
24 740124 FOOT VALVE
25 740125 DISCHARGE TUBING
26 740126 FLOAT ASSEMBLY

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WASTE TANK FILTER BAG

The waste tank filter bag should be cleaned out after every

job. This filter bag will catch the larger debris and most lint.

he filter bag is attached by a drawstring. Loosen the draw-

T
string, clean the filter bag, and reinstall. Never operate the
MasterForce without the filter bag in place.

VAC SHUT OFF

The MasterForce utilizes a ball float shutoff system, which
shuts off the flow to the vacuum motors when solution
reaches the appropriate level to activiate the ball shutoff. This
shutoff has been designed to protect the vacuum motors from
excess water entering the vacuum motors provided that the

owner is utilizing a defoamer chemical to prevent foam
and moisture from entering the vacuum stack and,
therefore, the vacuum motors.

Twist off the ball assembly from the stand pipe, and clean
the screen. It may be rinsed with water. This screen should
be cleaned frequently if the MasterForce is being operated in
an environment which has an abnormal buildup of lint and
debris, such as cleaning newly installed carpet. Loss of vac­uum is most normally associated with lint and hair buildup in
the waste filter bag and the float ball shutoff assembly at the
top of the vacuum stand pipe.

AUTO PUMP-OUT

The Automatic Pump-Out system is capable of handling

most debris that passes through the waste filter bag. How-

ver, for optimum performance, keep the waste tank clean

e
and remove debris from the filter screen of the pump-out.
This should be done on a daily basis, or as needed, depending
upon use, and amount of debris.

Every two weeks, run the pump-out with a full tank of
clean water, to insure that debris and lint are not accumulat­ing in the base of the pump.

To service the pump-out more thoroughly, unhook the vac­uum cuff, cut the zip tie around the looped electrical cord,
and lift it out of the waste tank. Unsnap the screen from the
bottom, clean the screen, and clean out the area inside.

If necessary, remove the six screws holding the base to the
motor housing, and clean the base. If the impeller is removed
make sure that a spacing of .050” with shaft pushed toward
housing is maintained when reassembled.

GREASE PUMP

- For 503 & 1203 models with Hypro Pump

Refer to “ACCESSING COMPONENTS,” above, to gain
access to pump. remove the white safety cap at the front of
pump exposing the grease fitting. Grease pump with only a

(If Equipped)

Maintenance

OPERATION INTERVAL

Clean Fill Hose Screen Each Job/Daily

Clean Chemical Feed Foot Valve Each Job/Daily

Clean Fresh Water Filter Weekly

Clean Waste Tank Filter Bag Each Job/Daily

Clean Vac Shut Off Screen Daily

Clean Auto Pump-out Daily As Needed

Clean Wand Jets Weekly

Run Auto Pump-out Every Two Weeks

Flush Solution System Monthly

WD-40 Vac Motors As Needed

Grease Pump Monthly

The above operations are fully outlined on the following two pages. Proper maintenance is necessary to
achieve maximum operating performance from your MasterForce. Failure to properly maintain your
machine could void the warranty.

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1/4 stroke of grease gun Too much grease or too much pres-

ure will blow out the bearing seal. Over greasing will break

s
seal. Once this seal is broken, no amount of grease will stay
the bearing, voiding pump warranty. Use a quality, high tem­perature bearing grease. Wipe away excess grease and
reinstall safety cap.

WAND JETS

Remove jets and visually check for wear and debris. Water
or compressed air is best for cleaning—NEVER use a metal
object to remove debris, as it may damage the jet orifice. If
excessive wear is apparent, the jet should be replaced. If the
wand is equipped with jet screens, those should be cleaned by
rinsing with water. Hook up the wand to machine, and check
jet alignment.

FLUSH SOLUTION SYSTEM

At least once a month, the MasterForce, hoses, and tools
should be flushed to remove alkaline residues. Follow the
steps on page 6 of the “Recommended Procedure for Stor­age,” using a solution of one part warm water with three
parts white vinegar, in place of the antifreeze solution. Then,
repeat the steps using two gallons of fresh water.

MASTERFORCE

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WD-40 VAC MOTORS

Should moisture ever enter the vacuum motors, completely
drain the waste tank, open the waste tank lid, remove the vac
shut off ball assembly, turn on all vacuum motors, and spray
a five second burst of WD-40 into the standpipe. Continue to
run the vacuum motors for at least three minutes.

To prevent moisture from damaging the vacuum motors dur­ing storage, empty the waste tank and store with the lid open.

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STORAGE AND FREEZE PROTECTION

Care must be taken to protect your MASTERFORCE® from freezing. Freezing could seriously damage the MasterForce

s well as fittings and valves. Freezing is not covered under the limited warranty and you should always store your equip-

a
ment in areas where the temperature remains above 40° F. If you plan on storing the MasterForce for a prolonged period
of time, the following procedure should help prevent your MasterForce from freezing, and prevent the pump seals from dry­ing out.

Recommended Procedure for Storage:
STEP ONE:

In a separate container, mix 1 gallon of water with 1 gallon of automotive radiator antifreeze
(ethylene glycol type). Mix well, and pour into the solution tank, keeping approximately 1
pint for use in Step Five.

STEP TWO:

STEP THREE:

STEP FOUR:

STEP FIVE:

STEP SIX:

STEP SEVEN:

STEP EIGHT:

The automatic pump-out option does not require freeze protection, as long as the waste

Connect the pressure hose to the female quick disconnect (QD) on the front of the machine.
Turn the shut off valve on the pressure hose to the off position. Insert an open-ended male
QD into the female QD on the end of the pressure hose.

Prime the solution pump, directing the flow of solution back into the solution tank. When
primed, turn down the pressure to 100psi if equipped.

Note: If your machine does not have the auto chemical feed option, skip to step 6.

Disconnect the open-ended QD and connect the solution hose to the male QD at the auto
fill/chemical feed connection if equipped.

CAUTION: Applying high pressure (over 100 psi) to the chemical feed system will damage
the mechanism.

Place the chemical feed supply tube into the container. With the pint of antifreeze from Step
One, turn on the pump, and allow to circulate for 10 minutes. Check to make sure the chemi­cal supply tube is drawing the antifreeze solution. This will introduce antifreeze into the
chemical feed system. Disconnect the solution hose from the chemical feed.

Allow the system to bypass for 10 minutes. This will work antifreeze into the pressure gauge.

Attach any wands and hand tools that will also be stored with your MasterForce. Open valve
for 30 seconds, directing the spray to the solution tank. Disconnect hose and with valve open
and the jets pointing down, depress the dimple on the male QD. This will drain the solution
out of the tool. Drain thoroughly before storing.

Vacuum out the solution tank and thoroughly drain the waste tank and vacuum hose. Turn
off the pump and disconnect all hoses and tools.

tank is completely drained, and allowed to thoroughly dry.

Return to Service:

To return the MasterForce to service, flush the pressure system by repeating the above steps,
using fresh water in place of the antifreeze solution.

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PARTS BREAK DOWN

MASTERFORCE

2 16 3 7

9 8

4 5

19

15

16

20

18

10

12

21

11

17

13

14

Ref # Part # Description

1 740211 Switch - DPST Red, Lighted
2 740210 Switch - DPST Green, Lighted
3 740404 MF Cord Wrap, SS
4 740174 Deck Lid Clear Center
5 740144 Deck Lid Complete
6 740414 Switch Panel
7 780619 Screw - 10-24 x 3/8
8 789300 Electrical Cord 25’ - 12 ga

9 740408 Axial Fan Guard
10 705113 Drain Valve 2” x 2” FPT
11 740089 Latch for Body
12 740090 Latch Keeper Plate
13 740212 Wheel 12” Foam
14 740016 Caster 3” x 1 1/4
15 740033 PVC Barb 2” x 2” MPT
16 740027 Cam Lock Male 1 1/4 MPT
17 700101 QD 1/4” Female - Brass
18 740409 Decal - MasterForce™
19 740402 MF Waste Tank
20 740401 MF Solution Tank
21 740400 MF Base

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PARTS BREAK DOWN

29

27 26

31

32 3028

24 23 22 25

33 34

Ref # Part # Description

22 400001 Hose - Auto Fill 50’
23 455110 Hose - Dump 50’ w/ cam
24 455007 Vac Hose - Blue 1.5” x 25’
25 740078 Cam Lock Female 1 1/4 Barb
26 720101 Auto Pumpout Pump Only
27 720104 Float Switch
28 740092 Hose - Auto Pumpout
29 740028 Check Valve - Swing - 1 1/4”
30 740100 Chemical Feed Complete
31 740124 Chemcial Feed Foot Valve
32 740182 Chemcial Feed Meter Tip - Purple
33 740036 Waste Filter Bag 8 x 12
34 740200 Float Ball Shut-Off

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PARTS BREAK DOWN

MASTERFORCE

37 36 35 38

41 40 44 43

38 39 38

MF 152-153

Ref # Part # Description

35 720280 Shurflow 8030 150 PSI - 120V

720280 Shurflow 8090 100 PSI - 220V
36 740221 Fresh Water Filter - 1/2” Barbs
37 740262 Hose - Clear Wire Reinforced 1/2”
38 740424 Hose - Red - 3/8 x 22”
39 420400 Heater - 1750 Watt (120V)

420420 Heater - 1750 Watt (220V)
40 724001 152 Vac Motor - 2 Stage - 120V

724011 152 Vac Motor - 2 Stage - 220V

720414 153 Vac Motor - 3 Stage - 120V

720415 153 Vac Motor - 3 Stage - 220V
41 740405 MF Vac Manifold
42 740407 MF Recovery Tank Mount
43 740209 Vac Gasket
44 740043 Vac Motor 2” Intake Flange

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PARTS BREAK DOWN

50 52 45 49

41 40 43 44

46

47 48

42

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MF 503

Ref # Part # Description

17 700101 Q.D. 1/4” Female - Brass
40 720414 503 Vac Motor - 3 Stage 120V
41 740405 MF Vac Manifold
42 740407 MF Recovery Tank Mount
43 740209 Vac Gasket
44 740043 Vac Motor 2” Intake Flange
45 726001 Motor 1/2 HP
46 720010 Hypro 5313 CHRX Pump
47 740195 Prime Valve Hose
48 721123 Pulse Hose 20” 1/4m x 1/4m
49 721223 Pulse Hose 22” 3/8m x 1/4m
50 740423 MF Hose/HP Bypass
51 721221 Pulse Hose 20” 3/8m x 1/4F
52 740219 Axial Fan
53 721113 Power Prime Valve
54 715022 500 Regulator
55 719002 Pressure Guage 1000 PSI

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53 54

55

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PARTS BREAK DOWN

MASTERFORCE

50 52 56 60

41 40 44 43

47

57 60

42

51

Ref # Part # Description

17 700101 Q.D. 1/4” Female - Brass
40 720414 1203 Vac Motor - 3 Stage 120V

7204001 1203 Vac Motor - 2 Stage 120V
41 740405 MF Vac Manifold
42 740407 MF Recovery Tank Mount
43 740209 Vac Gasket
44 740043 Vac Motor 2” Intake Flange
47 740195 Prime Valve Hose
50 740423 MF Hose/HP Bypass
51 721221 Pulse Hose 20” 3/8m x 1/4F
52 740219 Axial Fan
53 721113 Power Prime Valve
56 721402 Motor 1.5 HP
57 721401 Hypro 53226 - H Pump
58 715011 Pressure Unloader
59 719003 Pressure Guage 2000 PSI
60 721122 Pulse Hose 22” 3/8m x 3/8f

17

MF 1203

53 58

59

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PARTS BREAK DOWN

52 50 61 51

17 53 5447 48 48 39 55

MF 502H

Ref # Part # Description

38 420400 Heater
40 7204001 502 HVAC Motor 2 Stage 120V
47 7404001 Prime Valve Hose
48 721123 Pulse Hose 20” 1/4m x 1/4m
50 740423 MF Hose 1 HP Bypass
51 721221 Pulse Hose 20” 3/8m x 1/4f
52 740219 Axial Fan
53 721113 Power Prime Valve
54 715022 500 Regulator
55 719002 Pressure Gauge
61 721304 Pumptec 207/m53 motor

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MODELS 5315 - CHRX AND 5322C-H

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1

2

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Ref # Part # Description

720010 Hypro 5315 CHRX Pump 500 PSI

721401 Hypro 5322 C-H Pump 1200 PSI
1 720011 Hypro 5315 Repair Kit- 500 PSI
1 721403 Hypro 5322 Repair Kit - 1200 PSI
2 720012 Hypro Valve Set of 4 - 500 & 1200 PSI

19 720013 Hypro O-Ring for Cylinder Head
10 720014 Hypro Grease Fitting

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MASTERFORCE

Kit-C

Ref # Part # Description

Kit-A 721306 Plunger & Seals, 207V, Buna
Kit-B 721307 Valve & Seals, 207V, Buna
Kit-C 721308 Cam & Bearing

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731302 Pumptec 207 Pump & Motor
721303 Pump Only

721304 Pumptec, M53 Motor Only

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and MasterForce 102

MASTERFORCE

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MASTERFORCE ONE YEAR LIMITED WARRANTY

MASTERFORCE is warranted to be free of defects in material and workmanship for a period of
twelve (12) months under normal use and service from the date of original purchase when oper­ated and maintained in accordance with our Operating and Maintenance instructions. This
warranty does not apply to damage or failure caused by improper use, abuse, or neglect. During
the warranty period, we will repair or replace, at our sole option, any part found to be defective
upon our examination, but will not pay shipping costs, labor, or other costs. To obtain warranty
service, call your local distributor or call us at [phone] or [phone]. Parts may not
be returned without prior permission and must be returned to us with freight prepaid.

This warranty does not cover normal wear items such as hoses, power cords, filters, gaskets,
valves, quick disconnects and other parts that require replacement in ordinary use.

Replacement parts are warranted only for the remaining period of the original warranty.

This warranty is for the replacement of defective parts or workmanship only. It does not pro­vide for the replacement of entire units due to defective parts or workmanship.

®

This warranty does not cover labor or any other charges in connection with the replacement of
defective parts. No local service or repair charges are allowed.

This warranty service is an exclusive remedy and we are not responsible for any consequential
or incidental damages or injury to person or property.

WARRANTY INFORMATION

SERIAL NUMBER: _________________________________________

DATE OF PURCHASE: _____________________________________

PURCHASED FROM: ______________________________________

PLEASE RETURN THE WARRANTY REGISTRATION CARD

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NOTES:

MASTERFORCE

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MasterBlend

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MasterBlend®Inc, 800-525-9644 • Fax [phone]

The Craftsman’s Choice 5285 Fox Street, Denver, CO 80216