Operating instructions (ENG)
MODELS:
APEX GTX - GAS
1.001-139.0
APEX GTX - DIESEL
1.001-140.0
86341750-AW
09/01/13
Read these instructions before using the machine.
Model:
Date of Purchase:
Serial Number:
Dealer:
Address:
Phone Number:
Sales Representative:
Machine Data Label
Overview
Welcome…and congratulations on the purchase of your Mobile Cleaning Unit. This instruction manual is a guide
for operating and servicing your unit. Read this manual completely before installing or operating this unit.
This unit offers you personal convenience. All of your instrumentation and controls have been positioned to give
you easy access for operation and daily maintenance.
Proper operation and service are essential to the efficient functioning of this unit. When maintained correctly, this
unit will have a long, trouble-free life.
The service methods described in this manual are explained in such a manner that servicing may be performed
accurately and safely. Proper service varies with the choice of procedure, the skill of the mechanic, and the tools or
parts available. Before attempting any repair, make certain that you are thoroughly familiar with this equipment and
are equipped with the proper tools. Any questions pertaining to operating or servicing this unit should be directed
to your nearest dealer.
THIS UNIT MUST BE INSTALLED BY THE DEALER FROM WHOM YOU PURCHASED IT IN ACCORDANCE
WITH THE PRESCRIBED INSTALLATION PROCEDURES.
Information in this document is subject to change without notice and does not represent a commitment on the part
of PROCHEM.
Thank you for purchasing a Prochem product. Warranty registration is quick and easy.
Warranty Registration
Your registration will allow us to serve you better over the lifetime of the product.
To register your product go to :
www.prochem.com/WarrantyRegistration.aspx
For customer assistance:
1-800-776-2436
86341750 APEX GTX
1
Table of Contents
Machine Data Label . . . . . . . . . . . . . . . . . . . . . . . . . 1
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Receiving Your Unit . . . . . . . . . . . . . . . . . . . . . . . . . 4
Acceptance Of Shipment . . . . . . . . . . . . . . . . . . . . . 4
Equipment List: . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
How to Use This Manual . . . . . . . . . . . . . . . . . . . . . 5
Safety
IMPORTANT SAFETY INSTRUCTIONS. . . . . . . . . 6
Hazard Intensity Level . . . . . . . . . . . . . . . . . . . . . . . 8
Safety Labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Installation
Dealer Responsibility . . . . . . . . . . . . . . . . . . . . . . . 10
Vehicle Requirements . . . . . . . . . . . . . . . . . . . . . . 10
Lifting Unit Onto Vehicle . . . . . . . . . . . . . . . . . . . . 11
Positioning Unit In Vehicle . . . . . . . . . . . . . . . . . . . 11
Bolting Down Unit And Waste Tank. . . . . . . . . . . . 11
Layout with 60 Gallon Waste Tank . . . . . . . . . . . . 12
Layout with 100 Gallon Waste Tank . . . . . . . . . . . 13
Waste Tank To Console Connection . . . . . . . . . . . 14
Fuel Pump Assembly Installation. . . . . . . . . . . . . . 14
Van Bulkhead Installation . . . . . . . . . . . . . . . . . . . 15
Fuel Supply & Return Line Installation. . . . . . . . . . 16
Battery Connection . . . . . . . . . . . . . . . . . . . . . . . . 18
Technical Specifications . . . . . . . . . . . . . . . . . . . . 20
Chemical Requirements. . . . . . . . . . . . . . . . . . . . . 21
Water Requirements . . . . . . . . . . . . . . . . . . . . . . . 21
Fuel and Engine Oil Requirements - Gas . . . . . . . 22
Fuel and Engine Oil Requirements - Diesel. . . . . . 23
Components - Upper Control Panel - GAS . . . . . . 24
Components - Upper Control Panel - DIESEL. . . . 26
Components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Water Pumping And Heat Transfer System. . . . . . 30
Chemical Injection System. . . . . . . . . . . . . . . . . . . 32
Vacuum System. . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Pre-Run Inspection / Setup . . . . . . . . . . . . . . . . . . 34
Priming the Chemical Pump . . . . . . . . . . . . . . . . . 35
Waste Pumpout (Optional). . . . . . . . . . . . . . . . . . . 35
Cleaning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Upholstery Cleaning. . . . . . . . . . . . . . . . . . . . . . . . 36
Shutdown And Daily Maintenance . . . . . . . . . . . . . 36
De-Flooding Operations. . . . . . . . . . . . . . . . . . . . . 36
Freezing Protection . . . . . . . . . . . . . . . . . . . . . . . . 36
Winterizing Your Unit . . . . . . . . . . . . . . . . . . . . . . . 37
Removing Anti-Freeze From the Unit . . . . . . . . . . 38
Maintenance
Service Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Key Checkpoints . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Engine Coolant System (Radiator) Maintenance. . 41
External Fuel Pump Maintenance . . . . . . . . . . . . . 41
Chemical Supply System Maintenance . . . . . . . . . 41
Heat Exchanger System Maintenance. . . . . . . . . . 41
Vacuum Pump Maintenance . . . . . . . . . . . . . . . . . 41
Engine - Gas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Engine - Diesel. . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Vacuum Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Vacuum Inlet Filter (In Waste Tank) . . . . . . . . . . . 45
Vacuum Relief Valve . . . . . . . . . . . . . . . . . . . . . . . 45
Vacuum Pump Drive Belts . . . . . . . . . . . . . . . . . . . 45
Solution Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Solution Pump Drive Belt . . . . . . . . . . . . . . . . . . . . 46
Float Valve (Water Box) . . . . . . . . . . . . . . . . . . . . . 46
Waste Tank Float Valve. . . . . . . . . . . . . . . . . . . . . 46
Waste Tank Strainer Basket . . . . . . . . . . . . . . . . . 46
Waste Tank Vacuum Inlet Filter . . . . . . . . . . . . . . . 46
Solution Screen (Outlet). . . . . . . . . . . . . . . . . . . . . 46
Check Valve (Outlet) . . . . . . . . . . . . . . . . . . . . . . . 47
Chemical Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Chemical Metering Valve . . . . . . . . . . . . . . . . . . . . 47
Pressure Regulator . . . . . . . . . . . . . . . . . . . . . . . . 47
Vacuum Hoses. . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
High Pressure Solution Hoses . . . . . . . . . . . . . . . . 47
Optional Waste Pump-Out . . . . . . . . . . . . . . . . . . . 47
Temperature Balance Orifice . . . . . . . . . . . . . . . . . 47
Engine Coolant Replacement . . . . . . . . . . . . . . . . 48
General Service Adjustments . . . . . . . . . . . . . . . . 48
Engine Speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
High Altitude Operations - Gas . . . . . . . . . . . . . . . 49
Check Valve (Solution Outlet) . . . . . . . . . . . . . . . . 49
Water Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Chemical Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Packing Nut Adjustments For Chemical Valves. . . 50
Pressure Regulator . . . . . . . . . . . . . . . . . . . . . . . . 51
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
2
86341750 APEX GTX
Table of Contents
Parts
Frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Side Panel - Right. . . . . . . . . . . . . . . . . . . . . . . . . 62
Side Panel - Left . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Chemical Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Control Panel - Gas . . . . . . . . . . . . . . . . . . . . . . . 68
Control Panel - Diesel. . . . . . . . . . . . . . . . . . . . . . 70
Control Panel Mounting . . . . . . . . . . . . . . . . . . . . 72
Engine - Gas. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Engine - Diesel . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Engine Mounting. . . . . . . . . . . . . . . . . . . . . . . . . . 78
Engine Mounting. . . . . . . . . . . . . . . . . . . . . . . . . . 80
Coolant System. . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Vacuum Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Solution Pump. . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Solution Pump. . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Heat Exchanger - Exhaust - Gas . . . . . . . . . . . . . 90
Heat Exchanger - Exhaust - Diesel. . . . . . . . . . . . 92
Heat Exchanger-Cores . . . . . . . . . . . . . . . . . . . . . 94
Heat Exchanger Mounting . . . . . . . . . . . . . . . . . . 96
Helicoil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Helicoil Mounting. . . . . . . . . . . . . . . . . . . . . . . . . 100
Solution Outlet . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Water Box. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Pressure Regulator. . . . . . . . . . . . . . . . . . . . . . . 106
100 Gallon Waste Tank . . . . . . . . . . . . . . . . . . . 108
60 Gallon Waste Tank . . . . . . . . . . . . . . . . . . . . 110
Fuel Pump - Gas. . . . . . . . . . . . . . . . . . . . . . . . . 112
Fuel Pump - Diesel . . . . . . . . . . . . . . . . . . . . . . . 114
Battery Floor Mount . . . . . . . . . . . . . . . . . . . . . . 116
Chemical Jug Floor Mount . . . . . . . . . . . . . . . . . 118
Hose Diagram - Gas. . . . . . . . . . . . . . . . . . . . . . 120
Hose Diagram - Diesel . . . . . . . . . . . . . . . . . . . . 121
Wiring Diagram - Gas . . . . . . . . . . . . . . . . . . . . . 122
Wiring Diagram - Diesel . . . . . . . . . . . . . . . . . . . 123
Options
Hose Accessories . . . . . . . . . . . . . . . . . . . . . . . . 126
Exhaust - Optional . . . . . . . . . . . . . . . . . . . . . . . 128
Automatic Pumpout - Dual Diaphragm - Optional 130
Wand - Titanium Six Jet - Optional . . . . . . . . . . . 132
Wand - Ergo Titanium Six Jet - Optional. . . . . . . 134
Wand - Quad Jet - Optional . . . . . . . . . . . . . . . . 136
Wand - Tri Jet -Optional . . . . . . . . . . . . . . . . . . . 138
Stair Tool - Optional . . . . . . . . . . . . . . . . . . . . . . 140
Upholstery Tool - Optional . . . . . . . . . . . . . . . . . 142
Shelf Assembly - Optional. . . . . . . . . . . . . . . . . . 144
Water Tank Dual with Demand Pump - Optional 146
Water Tank - Demand Pump - Optional . . . . . . . 148
Auxiliary Water Tank with Pump-Optional . . . . . 150
Hose Reel - Optional. . . . . . . . . . . . . . . . . . . . . . 152
Motorized Hose Reel - Tank - Optional. . . . . . . . 154
Motorized Hose Reel - Optional . . . . . . . . . . . . . 156
E Z - Charge Water Softener - Tank & Tray -
Optional . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
E Z - Charge Water Softener - Filter - Optional . 160
E Z - Charge Water Softener - Brine System -
Optional . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
Serial Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . 164
86341750 APEX GTX
3
Receiving Your Unit
Acceptance Of Shipment
Every part of your cleaning unit was carefully checked,
tested, and inspected before it left our manufacturing
plant. Upon receiving the unit, make the following
acceptance check:
1. The unit should not show any outward signs of
damage. If damaged, notify the common carrier
immediately.
2. Check your equipment and packing list. The
standard cleaning unit should arrive equipped with
the following items (unless otherwise specified)
and any optional accessories which were ordered:
Equipment List:
1. Console.
2. Waste tank
3. Fuel pump assembly
4. 150 ft. of 2" vacuum hose.
5. 2 vacuum hose connectors.
6. 150 ft. of 1/4" high pressure hose with quick
connects.
7. 50 ft. water supply hose with quick connect.
8. Installation bolting kit.
9. Installation mounting plates.
10. Operation and service manuals for engine, solution
pump, and vacuum pump.
11. Hose clamps for fuel and vacuum hoses.
4
86341750 APEX GTX
How to Use This Manual
Model:
Date of Purchase:
Serial Number:
Dealer:
Address:
Phone Number:
Sales Representative:
This manual contains the following sections:
• How to Use This Manual
•Safety
• Installation
• Operations
• Maintenance & Service
•Parts List
The HOW TO USE THIS MANUAL section will tell you
how to find important information for ordering correct
repair parts.
Parts may be ordered from authorized dealers. When
placing an order for parts, the machine model and
machine serial number are important. Refer to the
MACHINE DATA box which is filled out during the
installation of your machine. The MACHINE DATA box
is located on the inside of the front cover of this manual.
machine. Levels of hazards are identified that could
result in product damage, personal injury, or severe
injury resulting in death.
The INSTALLATION section contains information on
how to properly install the unit in your vehicle.
The OPERATIONS section is to familiarize the operator
with the operation and function of the machine.
The MAINTENANCE section contains preventive maintenance to keep the machine and its components in
good working condition. They are listed in this general
order:
•Engine
• Vacuum Pump
• Solution Pump
• Drive Belts, Pulleys & Hubs
• Chemical Pump
• Hoses
• Vac / Exhaust Heat Exchanger
• General Service Adjustments
• Machine Troubleshooting
The PARTS LIST section contains assembled parts
illustrations and corresponding parts list. The parts lists
include a number of columns of information:
The model and serial number of your machine is
located approximately where shown.
The SAFETY section contains important information
regarding hazardous or unsafe practices for this
• REF – column refers to the reference number
• PART NO. – column lists the part number for
• QTY – column lists the quantity of the part used
• DESCRIPTION – column is a brief description
• SERIAL NO. FROM – If this column has an (*)
• NOTES – column for information not noted by
NOTE: If a service or option kit is installed on your
machine, be sure to keep the KIT INSTRUCTIONS
which came with the kit. It contains replacement parts
numbers needed for ordering future parts.
NOTE: The manual part number is located on the
lower left corner of the front cover.
86341750 APEX GTX
on the parts illustration.
the part.
in that area of the machine.
of the part.
and a Reference number, see the SERIAL
NUMBERS page in the back of your manual. If
column has two asterisk (**), call manufacturer
for serial number. The serial number indicates
the first machine the part number is applicable
to. The main illustration shows the most current
design of the machine. When a boxed illustration is shown, it displays the older design.
the other columns.
5
Safety
IMPORTANT SAFETY INSTRUCTIONS
When using this machine, basic precaution
must always be followed, including the following:
READ ALL INSTRUCTIONS BEFORE USING THIS MACHINE.
These symbols mean WARNING or CAUTION. Failure to follow warnings and
cautions could result in fatality, personal injury to yourself and/or others, or
property damage. Follow these instructions carefully!
Read the operator's manual before installing or starting this unit. Failure to adhere to instructions could result
in severe personal injury or could be fatal.
Operate this unit and equipment only in a well-ventilated area. Exhaust fumes contain carbon monoxide which
is an odorless and deadly poison that can cause severe injury or fatality. DO NOT run this unit in an enclosed area.
DO NOT operate this unit where the exhaust may enter any building doorway, window, vent, or opening of any type.
Gasoline is extremely flammable and its vapors can explode if ignited. Store gasoline only in approved
containers, in well-ventilated, unoccupied buildings away from sparks or flames. Never carry any gasoline or
flammable material in the vehicle. Fumes may accumulate inside the vehicle and ignite, causing an explosion.
Diesel fuel is flammable and requires special storage. Ensure all diesel fuel use and storage meets local, state,
and federal requirements. Never utilize an ether spray to assist starting. Severe engine damage will result.
DO NOT store any type of flammable material in the vehicle.
This unit must be operated with the vehicle or trailer doors open in order to ensure adequate engine ventilation.
DO NOT operate engine if fuel is spilled. Avoid creating any ignition until the fuel has been cleaned up. Never
use gasoline as a cleaning agent.
DO NOT place hands, feet, hair, or clothing near rotating or moving parts. Avoid any contact with moving
parts! Rotating machinery can cause injury or fatality.
Never operate this unit without belt guards or hoods in place. The high speed moving parts, such as belts and
pulleys, should be avoided while this unit is running. Severe injury, damage, or fatality may result.
DO NOT service this unit while it is running. The high-speed mechanical parts as well as high temperature
components may result in severe injury or severed limbs.
Never touch electrical wires or components while the engine is running. They can be sources of electrical
shock.
Engine components can get extremely hot from operation. To prevent severe burns, DO NOT touch these
areas while the engine is running - or immediately after the engine is turned off.
DO NOT touch the exhaust system while this unit is running. Severe burns may result.
Before servicing this unit, allow it to cool down. This will prevent burns from occurring.
Water under high pressure at high temperature can cause burns, severe personal injury, or fatality. Shut
down machine, allow to cool down, and relieve system of all pressure before removing valves, caps, plugs,
fittings, filters, and bolts.
Always wear hearing protection when unit is running. Always comply with local noise ordinance when
operating units.
6
86341750 APEX GTX
Safety
DO NOT leave the vehicle engine running while operating this unit.
Dangerous Acid, Explosive Gases! Batteries contain sulfuric acid. To prevent acid burns, avoid contact with skin,
eyes and clothing. Batteries produce explosive hydrogen gas while being charged. To prevent a fire or explosion,
charge batteries only in well ventilated areas. Keep sparks, open flames, and other sources of ignition away from
the battery at all times. Keep batteries out of the reach of children. Remove all jewelry when servicing batteries.
Before disconnecting the negative (-) ground cable, make sure all switches are OFF. If ON, a spark will occur at the
ground cable terminal which could cause an explosion if hydrogen gas or gasoline vapors are present. When
disconnecting the battery, ALWAYS disconnect the negative (-) terminal FIRST.
DO NOT smoke around the unit. Gas fumes may accumulate and be ignited. The battery is also extremely flammable. This will help to prevent possible explosions.
DO NOT damage the vehicle in any manner during installation. When routing fuel lines DO NOT place the hose
in any location where damage may occur to the hose or vehicle. Avoid any contact with moving parts, areas of high
temperature, brake lines, fuel lines, muffler, catalytic converter, or sharp objects.
Use only ProChem supplied fuel installation kits. Ensure to use the kit specific for the truckmount model and
van model being used. When traversing the vehicle floor with fuel lines, always use a bulkhead adapter. This will
help to prevent leakage and ensure that the hose is not punctured by vehicle vibration abrasion.
DO NOT exceed your vehicle's weight limit. The console with empty 60 gallon waste tank and accessories
weighs approximately 1014 lbs. Make certain to account for any additional accessories in your weight and balance
calculations. Make certain that the vehicle has the correct axle rating, to prevent unsafe vehicle driving conditions.
We require high-back seats on all vehicles in which units are to be installed for head and neck protection.
We recommend using a metal partition between the seats and equipment.
DO NOT operate this unit without the water supply attached and turned on. The solution pump and other vital
components may be seriously damaged if this unit is permitted to operate dry without water. Running with out
adequate water supply could damage solution pump. Ensure always to have an adequate water supply.
DO NOT operate this unit without the filter installed in the waste tank.
Keep your vehicle work area clean. Wands, stair tools, and other accessories must be securely fastened before
driving the vehicle.
All high pressure hoses must be rated for 3000 PSI at 250°F. Thermoplastic hoses do not meet these specifications and should not be used. Severe burns and injury may result if the hoses do not meet these requirements.
The winterizing loop hose assembly, Part #86260700, is for winterizing use only. If used improperly, live
steam may escape from this hose, causing it to whip around. Burns or injury may result.
Make certain that you receive complete training by the distributor from whom you purchased this unit.
This unit uses high pressure and temperature. Improper or irresponsible use may result in serious injury.
Do not modify this unit in any manner. Improper modification can cause severe personal injury or fatality.
CALIFORNIA PROPOSITION 65 WARNING: Engine exhaust from this product contains chemicals known to the
State of California to cause cancer, birth defects, or other reproductive harm.
86341750 APEX GTX
7
Safety
The following symbols are used throughout this guide as indicated in their descriptions:
Hazard Intensity Level
There are three levels of hazard intensity identified by signal words - WARNING and CAUTION and FOR SAFETY.
The level of hazard intensity is determined by the following definitions:
WARNING - Hazards or unsafe practices which COULD result in severe personal injury or death.
CAUTION - Hazards or unsafe practices which could result in minor personal injury or product or property damage.
FOR SAFETY: To Identify actions which must be followed for safe operation of equipment.
Report machine damage or faulty operation immediately. Do not use the machine if it is not in proper operating
condition. Following is information that signals some potentially dangerous conditions to the operator or the equipment. Read this information carefully. Know when these conditions can exist. Locate all safety devices on the
machine. Please take the necessary steps to train the machine operating personnel.
FOR SAFETY:
DO NOT OPERATE MACHINE:
Unless Trained and Authorized.
Unless Operation Guide is Read and understood.
In Flammable or Explosive areas.
In areas with possible falling objects.
WHEN SERVICING MACHINE:
Avoid moving parts. Do not wear loose clothing; jackets, shirts, or sleeves when working on the machine. Use
ProChem approved replacement parts.
8 86341750 APEX GTX
Safety
TEMPERATURE
BALANCE ORIFICE
SOLUTION PRESSURE
REGULATOR
CHEMICAL
CHECK VALVE
SOLUTION SCREEN
SOLUTION OUTLETS
BALANCE ORIFICE
ON/OFF VALVE
WARM
SOLUTION TEMPERATURE
CONTROL VALVE
CONDENSED OPERATING INSTRUCTIONS
STARTING
SHUTDOWN AND DAILY MAINTENANCE
CAUTION
Safety Labels
The following WARNING LABELS are found on your cleaning unit. These labels point out important Warnings and
Cautions which should be followed at all times. Failure to follow warnings and cautions could result in fatality,
personal injury to yourself and/or others, or property damage. Follow these instructions carefully! DO NOT remove
these labels.
NOTE: If at any time the labels become illegible, promptly replace them.
Caution label
P/N 86186530
Front panel decal with warning labels
Gas Models - P/N 86334840
Diesel Models - P/N 86336860
Warning Label
P/N 86186520
Caution Label
P/N 86352580
Installation on vehicle fuel door.
86341750 APEX GTX 9
Installation
Dealer Responsibility
Your distributor from whom you purchased this mobile
cleaning unit is responsible for correct installation of
this machine. The dealer is also responsible for initial
training of your operators and maintenance personnel
in proper operation and maintenance of this unit.
Vehicle Requirements
1. The unit should NOT be mounted in any motor
vehicle of less than 3/4 ton capacity.
DO NOT exceed the vehicle’s axle weight limit.
Include the console, full tanks, accessories, and
operators in calculations.
2. If mounting in a trailer, make certain that trailer is
rated for the total weight of UNIT AND TRAILER.
Electric or hydraulic brakes should be provided,
and a strict compliance with any State and Federal
vehicle laws must be maintained.
3. The vehicle tires should have a load rating above
the combined vehicle and unit weight.
4. We do not recommend using flooring materials that
absorb water. This could result in rust and
corrosion of the vehicle floor.
5. Padding under rubber floor mats should be
removed before installing this unit.
6. We highly recommend using a drip tray under
console (Part #86055040).
7. If using a trailer, console should be positioned so
that it balances properly with respect to axle. Ten
percent (10%) of the overall unit weight should be
on tongue.
Example: If loaded trailer weight is 2,000 lbs.,
tongue weight needs to be a minimum of 200 lbs.
to tow properly.
10
86341750 APEX GTX
Installation
Lifting Unit Onto Vehicle
Since console weighs approximately 910 lbs. pounds,
we recommend using a forklift to lift unit onto vehicle.
Position forks under unit from front and make CERTAIN
that forks are spread to insert into frame slots.
Positioning Unit In Vehicle
Because vehicles vary in size and openings, individuals
have their own preference as to where they want their
units installed. We strongly recommend a side door
installation for this and DO NOT recommend a rear
door installation.
1. Enough space should be provided to assure
adequate engine ventilation and room for service
and maintenance.
2. The unit with waste tank and accessories must
NOT exceed vehicle's axle weight limit. An empty
60 gallon waste tank and console weighs 1130 lbs.
3. DO NOT position the console closer than 12" from
bottom of driver and passenger seats.
NOTE: For individuals who wish to make an
engineering layout prior to positioning unit, refer to
"Dimensional Data" illustrations for waste tank and
console dimensions.
Bolting Down Unit And Waste Tank
NOTE: When positioning waste tank with respect to
console, hook up the vacuum hose to waste tank.
This will ensure that waste tank is positioned
correctly. Proceed once unit and waste tank are
positioned in vehicle in desired location.
Before drilling any mounting holes in vehicle floor,
make certain that when drilling, you will not do any
damage to fuel tank, fuel lines, or any vital
component which might affect operation or safety
of vehicle.
1. Using console and waste tank mounting holes as a
template, drill six 13/32" diameter holes for
mounting console and six more 13/32" diameter
holes for mounting waste tank.
2. Using installation hardware kit:
a. Insert six 3/8-16 x 2" hex head cap screws with
flat washers through mounting holes in console,
and six 3/8-16 x 2" hex head cap screws with flat
washers through mounting holes in waste tank.
b. Install mounting plates underneath vehicle floor.
c. Screw 3/8-16 hex head locknuts on mounting
screws and tighten them until console and waste
tank are firmly secured to vehicle floor.
Electrical Wiring
Ensure all electrical wiring and battery cables are free
from contact with any metal edge. Engine vibration
could cause metal edge to cut wiring and possibly
result in a fire. Be aware of where battery cables are
run.
86341750 APEX GTX
11
Installation
68
11
16
"
3X 37
1
8
"
2X 6
3
16
"
2X 12
3
8
"
2X 1
11
16
"
4"
2X 16
5
8
"
2X 36
1
4
"
3X 29
3
8
"
2X 1
7
8
"
3X
1
2
"
3X
11
16
"
40
3
16
"
CONSOLE
39
3
8
"
WASTE TANK
42"
CONSOLE
38
1
8
"
WASTE TANK
BACK OF DRIVERS SEAT
IN REAR MOST POSITION.
ENSURE THAT VAC INLETS ON CONSOLE
AND WASTE TANK ARE ALIGNED.
TOP VIEW
FRONT VIEW
Layout with 60 Gallon Waste Tank
12
86341750 APEX GTX
50
1
8
"
WASTE TANK
42"
CONSOLE
40
3
16
"
CONSOLE
39
3
8
"
WASTE TANK
3X 29
3
8
"
2X 36
1
4
"
2X 19
5
8
"
3X
11
16
"
68
11
16
"
4"
2X 1
7
8
"
3X
1
2
"
3X 49
1
8
"
2X 1
1
2
"
2X 12
3
8
"
2X 6
3
16
"
BACK OF DRIVERS SEAT
IN REAR MOST POSITION.
ENSURE THAT VAC INLETS ON CONSOLE
AND WASTE TANK ARE ALIGNED.
TOP VIEW
FRONT VIEW
Layout with 100 Gallon Waste Tank
Installation
86341750 APEX GTX
13
Installation
Waste Tank To Console Connection
NOTE: Before connecting any hoses to the waste
tanks, make certain the hose clamps are on each
hose.
1. Connect the section of 3.5" I.D. internal vac hose
between the 3.5" dia. vac outlet tube on the waste
tank and the vacuum pump relief valve on the
console. It may be necessary to cut this hose to fit.
Tighten the hose clamps.
2. Connect the 2" I.D. waste removal hose to the 2"
dia. tube at the bottom corner of the waste tank.
Connect other end to 2" tube labeled "Waste Tank
Drain" on the console left side panel. Tighten the
hose clamps.
3. Connect 3" I.D. hose between waste tank vacuum
inlet (upper right of waste tank) and vacuum inlet
on right side panel of console.
4. Connect the 3/16" blue hose from the water box to
the lower flare fitting (angled downward) on the
waste tank.
5. Run the 5/8" water box overflow hose through the
van floor. Prior to drilling through the van floor,
ensure that no damage will occur in drilling area.
Ensure that you are in compliance with all local
environmental laws.
6. Connect the console engine shut-off cord to the
waste tank level sensor cord.
7. Connect the 3/16" blue hose from the flow setup
valve to the remaining 1/4" flare fitting with jet on
inside of waste tank.
Fuel Pump Assembly Installation
Before drilling the fuel line holes in the vehicle
floor, make certain that when drilling you will not do
any damage to the fuel tank(s), fuel lines, brake
lines, heat shields, or any other vital component
which might affect the operation or safety of the
vehicle.
Do not mount this assembly, any hoses or components near the catalytic converter, exhaust, or any
areas of high temperature. Avoid any contact with
moving parts, areas of high temperature, brake
lines, fuel lines, muffler, catalytic converter, or
sharp objects.
1. Determine the position where the fuel pump
assembly will be mounted. Check to ensure that
the power cord length will support the mounting
location. The pump should be mounted as low as
possible and still be protected by the frame from
road hazards. Mount the fuel pump with the
discharge side of the pump higher than the
suction side to eliminate the possibility of
trapped air in the pump. Additional mounting
holes are provided to allow for different mounting
options.
2. Drill a 5/8" (.625) diameter hole in the vehicle floor
for routing the fuel pump power cord to the truckmount console. Check to ensure that the cord
length will support the location of the hole.
Fire Extinguisher
We recommend that a fire extinguisher, preferably
rated for A, B, & C type fires, be installed inside the
vehicle.
14
86341750 APEX GTX
3. Route the power cord and install the hole grommet.
4. Do not connect the power cord to the truckmount
console wiring harness until installation is
complete.
Installation
BULKHEAD ADAPTER
BULKHEAD NUT
HOSEBARB ELBOW
HOSEBARB ELBOW
HOSE MOUNTING CLAMPS
FUEL HOSE
HOSE CLAMP
VEHICLE FLOOR
5/8" DIA HOLE
LOCTITE
FUEL HOSE
BULKHEAD GASKET
BULKHEAD GASKET
TO CONSOLE
USE AS NEEDED
Van Bulkhead Installation
1. Select a location on the vehicle floor to drill the hole for the bulkhead adapter. This location should be situated
in a position that eliminates the possibility of fuel line contact by either the operator(s) or accessories during the
working hours or maintenance periods. Make certain that the supplied hoses will reach the location and work
with the configuration you choose.
2. Drill a 5/8" (.625) diameter hole through the vehicle floor at the installation point chosen for the bulkhead.
3. Install the 1/8 NPT bulkhead adapter by inserting the adapter and tightening the nut on the opposite side of the
van floor.
4. Attach the 1/8 NPT x 5/16 Hosebarb 90 degree elbow to the bulkhead inside the van to connect the fuel system
to the console.
5. Attach the 5/16" fuel hose from the console to the 5/16” Hosebarb 90 degree elbow on the bulkhead.
Diesel fueled models will require a 2nd bulkhead installed for the return line to the fuel supply.
1. Locate, drill and install the bulkhead as above.
2. Attach the 1/8 NPT x 3/16 hosebarb 90 degree elbow to the other bulkhead inside the van. Attach the 3/16
return fuel hose from the console to the hosebarb elbow. Clamp hose to elbow with 1/4 hose clamp.
86341750 APEX GTX
15
Installation
CHECK VALVE
5/16" SUPPLY HOSE
BYPASS FUEL FILTER
HOSE MOUNTING CLAMP
FRONT OF VAN
BULKHEAD CONNECTOR
BUSHING
ELECTRICAL CORD
PUMP ASSEMBLY
ELECTRICAL FUEL
USE AS NEEDED
5/16" SUPPLY HOSE
5/16" SUPPLY HOSE
FUEL SUPPLY
RETURN TO VEHICLE
FROM VEHICLE
FUEL SUPPLY
FUEL FLOW
FUEL FILTER
1/4" RETURN HOSE
Fuel Supply & Return Line Installation
GAS MODELS
(Underneath Van)
1. Attach the 1/8 NPT x 5/16 Hosebarb 90 degree elbow (86179920) to the bulkhead adapter underneath the van
to be used for the fuel supply line.
2. Cut to length the 6' piece of 5/16" 50 PSI fuel hose (86184980) used for the supply line from:
a. Bulkhead adapter to the outlet side of the bypass fuel filter (86181620).
b. Inlet side of the bypass fuel filter to the discharge side of the fuel pump.
c. Inlet side of the fuel pump to the outlet side of the inline fuel filter (86180960).
3. Cut to length the 6' piece of 1/4" fuel line (86282410) to connect the bypass fuel filter with the fuel tank return
using the appropriate fuel tap kit.
4. Check all hose clamps for tightness.
NOTE: Fuel tap kit installation instructions are found with appropriate fuel tap kit. Refer to Fuel Tap Kit
Information Sheet (8.634-994.0)
16
86341750 APEX GTX
Installation
1/4" RETURN HOSE
RETURN BULKHEAD
CHECK VALVE
5/16" SUPPLY HOSE
HOSE MOUNTING CLAMP
FRONT OF VAN
SUPPLY BULKHEAD
BUSHING
ELECTRICAL CORD
PUMP ASSEMBLY
ELECTRICAL FUEL
USE AS NEEDED
5/16" SUPPLY HOSE
FUEL SUPPLY
RETURN TO VEHICLE
FROM VEHICLE
FUEL SUPPLY
FUEL FLOW
FUEL FILTER
1/4" RETURN HOSE
Fuel Supply & Return Line Installation
DIESEL MODELS
(Underneath Van)
1. Attach the 1/8 NPT x 5/16 hosebarb 90 degree elbow (86179920) to the underside of supply line bulkhead
(5/16 hosebarb inside the van).
2. Attach the 1/8 NPT x 1/4 hosebarb 90 degree elbow (86179930) to the underside of return fuel bulkhead
(3/16 hosebarb inside the van).
3. Cut to different lengths the 6 foot piece of 5/16” 50PSI fuel hose (86282480) for the fuel supply from:
a. Fuel supply bulkhead to the discharge side of the fuel pump.
b. Inlet side of fuel pump to the outlet side of the fuel filter (86180960).
4. Cut to length the 1/4” fuel hose (86282410) for the fuel return. The hose runs from the fuel return bulkhead to
the check valve. The vehicle’s appropriate fuel tap kit will connect to the other side of the check valve, and will
return the fuel to the vehicle’s fuel supply system.
5. Check all hose clamps for tightness.
NOTE: Fuel tap kit installation instructions are found with appropriate fuel tap kit. Refer to Fuel Tap Kit
Information Sheet (8.634-994.0)
86341750 APEX GTX
17
Installation
Battery Connection
Dangerous Acid, Explosive Gases! Batteries
contain sulfuric acid. To prevent acid burns, avoid
contact with skin, eyes, and clothing.
Batteries produce explosive hydrogen gas while
being charged. To prevent a fire or explosion,
charge batteries only in well-ventilated areas. Keep
sparks, open flames, and other sources of ignition
away from the battery at all times. Keep batteries
out of the reach of children. Remove all jewelry
when servicing batteries.
Before disconnecting the negative (-) ground cable,
make sure all switches are OFF. If ON, a spark will
occur at the ground cable terminal which could
cause an explosion if hydrogen gas or gasoline
vapors are present. When disconnecting the
battery, ALWAYS disconnect the negative (-)
terminal FIRST.
1. Attach the red positive (+) battery cable from the
console starter solenoid to the positive (+) terminal
on the battery and tighten the holding nut.
2. Next, attach the black negative (-) battery cable
from the console ground to the negative (-) terminal
on the battery and tighten the holding nut.
18
86341750 APEX GTX
Notes:
86341750 APEX GTX
19
Operations
Technical Specifications
ITEM DIMENSION/CAPACITY
Engine speed -
Engine speed -
Vacuum pump rpm -
GAS MODELS
DIESEL MODELS
GAS MODELS
2740 rpm (high speed) Water Pump ON
850 rpm (idle speed) Water Pump OFF.
2650 rpm (high speed) Water Pump ON
1300 rpm (idle speed) Water Pump OFF.
3100 rpm
Vacuum pump rpm -
Solution pump rpm 965 - 1000 rpm
Water flow rate 4.15 GPM (maximum)
Solution pump pressure 1200 PSI (maximum)
Vacuum relief valve 13" Hg
Waste tank capacity 60 gallons / 100 gallons
Console weight 910 lbs.
Console weight (with 60 gallon waste tank &
waste tank accessories)
Console weight (with 100 gallon waste tank &
waste tank accessories)
TORQUE VALUES
Engine hub 300 inch lbs 25 foot/lbs
Vacuum pump hub 300 inch/lbs 25 foot/lbs
Engine rear pulley 360 inch/lbs 30 foot/lbs
DIESEL MODELS
2600 rpm
113 0 lbs.
(1565 lbs. If waste tank is full)
114 0 lbs.
(1765 lbs. If waste tank is full)
20
86341750 APEX GTX
Operations
Chemical Requirements
This cleaning unit, due to its chemical injection pump
design, can be used with a variety of water-diluted
chemical compounds (either acidic or alkaline),
depending on the job to be done. However, to obtain
optimum results with this unit, we recommend using the
PROCHEM line of chemicals. For information on using
the cleaning compounds, refer to the chemical manual.
Water Requirements
Hard water deposits will adversely affect the plumbing
and heat exchange systems on this unit. The map
below will give you an idea of where areas of high water
hardness may occur. However, any water supply
obtained from a well is almost always hard water and a
water softener will be needed to protect your equipment.
NOTE: Equipment malfunction or component failure
caused by hard water scaling is NOT covered under
the warranty.
If you are operating this unit in an area where the unit
will be using water in which the harness exceeds 3-1/2
grains, we highly recommend a suitable water softener
be installed. If using a water softener, it must have a
five (5) GPM (or greater) flow capacity without any hose
constrictions.
Using a water softener will reduce maintenance and
decrease down time caused by hard water scaling. It
will also allow cleaning chemicals to be more effective
in lower concentrations
If you require a water softener, your dealer has a model
to meet your needs. Please contact your nearest
distributor for information, price, and availability.
86341750 APEX GTX
21
Operations
Fuel and Engine Oil Requirements Gas
Fuel
Use unleaded gasoline ONLY. DO NOT use any
gasoline additives. We recommend the use of clean,
fresh, unleaded gasoline intended for automotive use.
High octane gasoline should NOT be used with the
engine on this unit.
Engine Oil
Use high quality detergent oil of at least API (American
Petroleum Institute) service class SF or SG. Select the
viscosity based on the air temperature at the time of
operation as shown in the following table. NOTE:
Using less than service class SF or SG oil or extending
oil change intervals longer than recommended can
cause engine damage. The recommended SAE
viscosity grade is 10W-30.
22
86341750 APEX GTX
Operations
Fuel and Engine Oil Requirements -
Diesel
Use diesel fuel ONLY.
NEVER use starting fluid (i.e. ether) to assist in
starting engine. Sever engine damage will result.
Engine Oil Requirements
1. Lubricating Oil
With the emission control now in effect, the CF-4 and
CG-4 lubricating oils have been developed for use of a
low sulfur fuel for on-road vehicle engines. When an
off-road vehicle engine runs on a high-sulfur fuel, it is
advisable to employ the CF, CD or CE lubricating oil
with a high total base number. If the CF-4 or CG-4
lubricating oil is used with a high-sulfur fuel, change the
lubricating oil at shorter intervals.
API service classification: above CD grade.
Ambient temperature: below 35°C (95°F).
O: Recommended X: Not recommended
Lubricating
Oil Class
CF 0 0 TBN>
CF4 0 X -
CG4 0 X -
Low-Sulfur High-Sulfur
Fuel
Remarks
10
Lubricating oil recommended when a low-sulfur or highsulfur fuel is employed.
86341750 APEX GTX
23
Operations
1
2
3
14
4
5
13
6
12
7
11
8
10
9
WASTE TANK
FULL
MAIN
HOURS ENGINE PUMP
OUT
SOLUTION
PUMP
OFF
START
RUN
IGNITION
THROTTLE
ONOVERRIDE
TO START
ENGINE
OFF
CHOKE
SOLUTION PUMP
SOLUTION TEMP
ONOFF
ON
OFF
PUMP OUT
WASTE
AUXILIARY WATER
TANK PUMP
VACUUM
SOLUTION PRESSURE
Components - Upper Control Panel GAS
1. Waste Tank Full Indicator Light
This indicator light is activated when the waste tank is
full. When lit the unit will shutdown protecting the
equipment from damage. This also indicates that the
waste tank must be emptied before the unit can be
brought back in service.
Never dispose of waste water in storm drains,
water ways or on ground areas. Always dispose of
waste in accordance with local, state and federal
laws.
2. Panel Light
This light is useful if the machine is used in a poorly lit
area or night use. It is helpful in reading the instruments and gauges.
3. Engine High Temperature / Low Oil Pressure
Shutdown Indicator
This light when activated signals an engine over heat
or a low oil pressure condition. When this occurs,
troubleshooting is required.
24
86341750 APEX GTX
Operations
4. Solution Pressure Gauge
This gauge registers the amount of pressure in the
system.
5. Solution Temperature Gauge
This gauge measures the temperature of the cleaning
solution as it exits the machine.
6. Waste Pumpout
This switch actuates the optional waste pumpout.
7. Choke
The choke is for restricting air to the carburetor, this
enriches the fuel mixture. The primary purpose is for
starting in cold temperatures. When the cable is pulled
out air is restricted, when pushed in the engine is in run
position.
Do not run engine with choke pulled out.
10. Hour Meter
The hour meter records the number of hours the unit
has run. This serves as a time recorder for servicing
the machine.
11. Ignition Switch
The ignition switch controls the power for the machine.
To turn the machine on, turn solution pump switch
counterclockwise to override and hold. Turn key
clockwise until engine starts and release. Wait 5
seconds then release override switch. To stop engine
rotate key to OFF position.
12. Solution Pump Switch
This switch serves to energize the magnetic clutch to
turn the solution pump on or off. Turn clockwise for
activating the pump and counter clockwise for deactivating the pump.
13. Auxiliary Water Tank Pump Switch
The auxiliary water tank pump switch is used to actuate
an optional fresh water demand pump.
8. Throttle
The throttle is used to set the speed of the engine
(rpm). The engine speed (rpm) may be increased by
releasing the collar lock, pushing in the red button on
the end of the handle, and pulling the handle straight
out. Engine speed may be changed in smaller increments by rotating the throttle handle clockwise or
counter-clockwise. The collar lock can be tightened to
prevent the throttle from slipping and changing the
engine speed.
9. Circuit Breakers
These serve to protect the circuits from electrical spikes
and over loads and protects wires from damage and
fire.
14. Vacuum Gauge
This gauge indicates in inches of mercury how much
vacuum the system is producing at any given time.
86341750 APEX GTX
25
Operations
1
3
4
14
5
6
13
7
8
12
9
11
10
2
WASTE TANK
FULL
GLOW PLUG
CHECK ENGINE
VACUUM SOLUTION PRESSURE
SOLUTION TEMP
ONOFF
PUMP OUT
WASTE
ONOFF
AUXILIARY WATER
TANK PUMP
ON
OFF
SOLUTION PUMP
OFF
START
RUN
IGNITION
THROTTLE
MAIN
HOURS
ENGINE
PUMP
OUT
SOLUTION
PUMP
GLOW
PLUG
Components - Upper Control Panel -
86341750 APEX GTX
DIESEL
1. Waste Tank Full Indicator Light
This indicator light is activated when the waste tank is
full. When lit the unit will shutdown protecting the
equipment from damage. This also indicates that the
waste tank must be emptied before the unit can be
brought back in service.
Never dispose of waste water in storm drains,
water ways or on ground areas. Always dispose of
waste in accordance with local, state and federal
laws.
26
2. Glow Plug Indicator Light
After turning the ignition switch counterclockwise this
indicator lamp illuminates during glow plug warm up.
When light goes out, engine is ready for start
3. Panel Light
This light is useful if the machine is used in a poorly lit
area or night use. It is helpful in reading the instruments and gauges.
Operations
4. Engine High Temperature / Low Oil Pressure
Shutdown Indicator
This light when activated signals an engine over heat
or a low oil pressure condition. When this occurs,
troubleshooting is required.
5. Solution Pressure Gauge
This gauge registers the amount of pressure in the
system.
6. Solution Temperature Gauge
This gauge measures the temperature of the cleaning
solution as it exits the machine.
7. Waste Pumpout
This switch actuates the optional waste pumpout.
8. Solution Pump Switch
10. Circuit Breakers
These serve to protect the circuits from electrical spikes
and over loads and protects wires from damage and
fire.
11. Hour Meter
The hour meter records the number of hours the unit
has run. This serves as a time recorder for servicing
the machine.
12. Ignition Switch
The ignition switch controls the power for the machine.
To turn the machine on, rotate the key counterclockwise to energize the glow plugs and hold. This will illuminate the green glow plug lamp. When the glow plug
lamp goes out the engine is ready to start. Turn
solution pump switch counterclockwise to override and
hold. Turn key clockwise until engine starts and
release. Wait 5 seconds then release override switch.
To stop engine rotate key to OFF position.
This switch serves to energize the magnetic clutch to
turn the solution pump on or off. Turn clockwise for
activating the pump and counter clockwise for deactivating the pump.
9. Throttle
The throttle is used to set the speed of the engine
(rpm). The engine speed (rpm) may be increased by
releasing the collar lock, pushing in the red button on
the end of the handle, and pulling the handle straight
out. Engine speed may be changed in smaller increments by rotating the throttle handle clockwise or
counter-clockwise. The collar lock can be tightened to
prevent the throttle from slipping and changing the
engine speed.
13. Auxiliary Water Tank Pump Switch
The auxiliary water tank pump switch is used to actuate
an optional fresh water demand pump.
14. Vacuum Gauge
This gauge indicates in inches of mercury how much
vacuum the system is producing at any given time.
86341750 APEX GTX
27
Operations
Components
3
TEMPERATURE
BALANCE ORIFICE
SOLUTION PRESSURE
REGULATOR
CHEMICAL
CHECK VALVE
SOLUTION SCREEN
SOLUTION OUTLETS
BALANCE ORIFICE
ON/OFF VALVE
WARM
SOLUTION TEMPERATURE
CONTROL VALVE
CONDENSED OPERATING INSTRUCTIONS
STARTING
SHUTDOWN AND DAILY MAINTENANCE
See Upper Panel
4
1
2
5
67
8
9
10
11
12
13
14
15
16
17
18
Components
1. Lubrication Cup
The lubrication cup allows lubricant spray to reach the
vacuum blower.
2. Vacuum Inlets
The vacuum inlets serve as connecting points for
vacuum hoses.
28
3. Exhaust
Exhaust fumes contain carbon monoxide which is an
odorless and deadly poison that can cause severe
injury or fatality. DO NOT run this unit in an enclosed
area. DO NOT operate this unit where the exhaust may
enter any building doorway, window, vent, or opening of
any type
4. Solution Temperature Control Lever
This lever directs hot engine and blower exhaust gases
through or around the heat exchangers.
86341750 APEX GTX
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