MQ Power MQ POWER WhisperWatt DCA70USI Guide

PARTS AND OPERATION MANUAL
OPERATION AND PARTS MANUAL
Revision #0 (01/04/06)
THIS MANUAL MUST ACCOMPANY
THE EQUIPMENT AT ALLTIMES.
ULTRA-SILENTTM SERIES
MODEL DCA-70USI
60 Hz GENERATOR
PARTS LIST NO. M2900000314

PAGE 2 — DCA-70USI (60 Hz) — OPERATION AND PARTS MANUAL — REV. #0 (01/04/06)

DCA-70USI (60 Hz) — OPERATION AND PARTS MANUAL — REV. #0 (01/04/06) — PAGE 3
1
© COPYRIGHT 2005, MULTIQUIP INC.
MQ Power Inc, Ultra-Silent series, and the MQ Power logo are registered trademarks of Multiquip Inc. and may not be used,
reproduced, or altered without written permission. All other trademarks are the property of thier respective owners and used with
permission.
This manual MUST accompany the equipment at all times. This manual is considered a permanent part of the equipment and
should remain with the unit if resold.
The information and specifications included in this publication were in effect at the time of approval for printing. Illustrations are
based on the
DCA-70USI (60 Hz) Ultra Silent Generator . Multiquip Inc.reserves the right to discontinue or change specifications,
design or the information published in this publication at any time without notice and without incurring any obligations.
To find the latest revision of this
publication, visit our website at:
www.mqpower.com
HERE'S HOW TO GET HELP
PLEASE HAVE THE MODEL AND SERIAL
NUMBER
ON-HAND WHEN CALLING
MQ POWER CORPORATE OFFICE
18910 Wilmington Ave. 800-421-1244
Carson, CA 90746 FAX: [phone]
Email:[e-mail]
Internet:www.mqpower.com
PARTS DEPARTMENT
800-427-1244 FAX: [phone]
310-537-3700
FAX: [phone]
SERVICE DEPARTMENT
800-835-2551 FAX: [phone]
310-537-3700
TECHNICAL ASSISTANCE
800-835-2551 FAX: [phone]
WARRANTY DEPARTMENT
800-835-2551, EXT. 279 FAX: [phone]
310-537-3700, EXT. 279

PAGE 4 — DCA-70USI (60 Hz) — OPERATION AND PARTS MANUAL — REV. #0 (01/04/06)
TABLE OF CONTENTS
Specification and part
number are subject to
change without notice.
NOTE
MQ POWER DCA-70USI(60HZ)MQ POWER DCA-70USI(60HZ)
MQ POWER DCA-70USI(60HZ)MQ POWER DCA-70USI(60HZ)
MQ POWER DCA-70USI(60HZ)
ULUL
ULUL
ULTRA-SILENT GENERATRA-SILENT GENERA
TRA-SILENT GENERATRA-SILENT GENERA
TRA-SILENT GENERATORTOR
TORTOR
TOR
California Proposition 65 Warning ..................................... 2
Here's How To Get Help .................................................... 3
Table Of Contents ............................................................. 4
Parts Ordering Procedures ............................................... 5
Specifications ................................................................... 6
Dimensions (Top, Side, Front) ........................................... 7
Safety Message Alert Symbols .................................... 8-9
Rules for Safe Operation ........................................... 10-13
Generator Decals ....................................................... 14-15
Installation ................................................................. 16-17
General Information ........................................................ 18
Major Components ......................................................... 19
Generator Control Panel ................................................. 21
Engine Operating Panel ............................................. 22-23
Output Terminal Panel Familiarization ........................ 24-26
Load Application ............................................................. 27
Generator Outputs .......................................................... 28
Gauge Reading ............................................................... 29
Output Terminal Panel Connections ........................... 30-31
Pre-Setup .................................................................. 32-35
Generator Start-up Procedure (Manual) ..................... 36-37
Generator Start-up Procedure (Auto Mode) .................... 38
Generator Shut-Down Procedure .................................... 38
Maintenance (Engine) ................................................ 39-40
Maintenance (Trailer) ................................................. 41-44
Trailer Wiring Diagram ..................................................... 45
Generator Wiring Diagram ............................................... 46
Engine Wiring Diagram ................................................... 47
Generator Troubleshooting .............................................. 48
Engine Controller Troubleshooting ................................... 49
Explanation of Code in Remarks Column ....................... 50
Suggested Spare Parts .................................................. 51
Generator Assembly .................................................. 52-53
Control Box Assembly ............................................... 54-57
Engine and Radiator Assembly ................................. 58-61
Output Terminal Assembly ......................................... 62-63
Battery Assembly ...................................................... 64-65
Muffler Assembly ...................................................... 66-67
Fuel Tank Assembly .................................................. 68-69
Enclosure #1 Assembly ............................................ 70-73
Enclosure #2 Assembly ............................................ 74-75
Rubber Seals Assembly ............................................ 76-77
Nameplate and Decals .............................................. 78-79
Terms and Condition of Sale — Parts ............................ 80
ISUZU FF- 4BG1T ENGINEISUZU FF- 4BG1T ENGINE
ISUZU FF- 4BG1T ENGINEISUZU FF- 4BG1T ENGINE
ISUZU FF- 4BG1T ENGINE

DCA-70USI (60 Hz) — OPERATION AND PARTS MANUAL — REV. #0 (01/04/06) — PAGE 5
1
MQPOWER
A Division of Multiquip Inc.
POST OFFICE BOX 6254
CARSON, CA 90749
310-537-3700 • 800-421-1244
FAX: [phone]
E-MAIL: [email protected]
INTERNET: www.mqpower.com
When ordering parts,
please supply the following information:
❒❒
❒❒
❒Dealer account number
❒❒
❒❒
❒Dealer name and address
❒❒
❒❒
❒Shipping address (if different than billing address)
❒❒
❒❒
❒Return fax number
❒❒
❒❒
❒Applicable model number
❒❒
❒❒
❒Quantity, part number and description of each part
❒❒
❒❒
❒Specify preferred method of shipment:
✓FedEx or UPS Ground
✓FedEx or UPS Second Day or Third Day
✓FedEx or UPS Next Day
✓Federal Express Priority One
✓DHL
✓Tr u c k
Note:Unless otherwise indicated by customer, all
orders are treated as “Standard Orders”, and will
ship within 24 hours.We will make every effort to
ship “Air Shipments” the same day that the order is
received, if prior to 2PM west coast time. “Stock
Orders” must be so noted on fax or web forms.
Extra Discounts!
All parts orders which include complete part numbers and
are received by our automated web parts order system, or
by fax qualify for the following extra discounts:
Ordered Standard Stock orders
via orders ($750 list and above)
Fax 3% 10%
Web 5% 10%
Special freight allowances
when you order 10 or more
line items via Web or Fax!**
FedEx Ground Service at no charge for freight
No other allowances on freight shipped by any other carrier.
**Common nuts, bolts and washers (all items under $1.00
list price) do not count towards the 10+ line items.
Place Your Parts Order Via Web or Fax
For Even More Savings!
(Domestic USA Dealers Only)
NOTE:DISCOUNTS ARESUBJECT TO CHANGE
Here’s how to get help...
Please have the model and serial number
on hand when calling.
MQ POWER CORPORATE OFFICE
18910 Wilmington Ave. 800-421-1244
Carson, CA 90746
FAX: [phone]
Email: [e-mail]
Internet: www.mqpower.com
PARTS DEPARTMENT
800-427-1244 FAX: [phone]
310-537-3700 FAX: [phone]
SERVICE DEPARTMENT
800-835-2551 FAX: [phone]
310-537-3700
TECHNICAL ASSISTANCE
800-835-2551 FAX: [phone]
WARRANTY DEPARTMENT
800-835-2551, EXT. 279 FAX: [phone]
310-537-3700,
EXT. 279
Direct TOLL-FREE access
to our Parts Department:
Toll-free nationwide — 800-427-1244
Toll-free FAX — 800-6-PARTS-7 (800/672-7877)
PARTS ORDERING PROCEDURES

PAGE 6 — DCA-70USI (60 Hz) — OPERATION AND PARTS MANUAL — REV. #0 (01/04/06)
DCA-70USI (60 Hz) — SPECIFICATIONS
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DCA-70USI (60 Hz) — OPERATION AND PARTS MANUAL — REV. #0 (01/04/06) — PAGE 7
1
DCA-70USI (60 Hz) — DIMENSIONS (TOP, SIDE AND FRONT)
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PAGE 8 — DCA-70USI (60 Hz) — OPERATION AND PARTS MANUAL — REV. #0 (01/04/06)
Before using this generator,ensure that the operating
individual has read and understands all instructions in
this manual.
Safety precautions should be followed at all times when
operating this equipment. Failure to read and understand the
Safety Messages and Operating Instructions could result in
injury to yourself and others.
FOR YOUR SAFETY AND THE SAFETY OF OTHERS! HAZARD SYMBOLS
Potential hazards associated with the operation of this
equipment will be referenced with "
Hazard Symbols " which
appear throughout this manual, and will be referenced in
conjunction with Safety "
Message Alert Symbols ".
NOTE
DCA- 70USI (60 Hz) — SAFETY MESSAGE ALERT SYMBOLS
SAFETY MESSAGE ALERT SYMBOLS
The three (3) Safety Messages shown below will inform you
about potential hazards that could injure you or others. The
Safety Messages specifically address the level of exposure
to the operator, and are preceded by one of three words:
DANGER, WARNING, or CAUTION.
You WILL be KILLED or SERIOUSLY injured if you
do not follow directions.
You COULD be KILLED or SERIOUSLY injured if
you do not follow directions.
You CAN be injured if you do not follow directions
Gasoline engine exhaust gases contain
poisonous carbon monoxide. This gas is
colorless and odorless, and can cause
DEATH if inhaled. NEVER operate this
equipment in a confined area or enclosed structure that
does not provide ample free flow air.
Gasoline is extremely flammable, and
its vapors can cause an explosion if
ignited. DO NOT start the engine near
spilled fuel or combustible fluids.
DO NOT fill the fuel tank while the engine
is running or hot.
DO NOT overfill tank, since spilled fuel could ignite if it
comes into contact with hot engine parts or sparks from
the ignition system. Store fuel in approved containers, in
well-ventilated areas and away from sparks and flames.
NEVER use fuel as a cleaning agent.
Engine components can generate extreme
heat.To prevent burns, DO NOT touch these
areas while the engine is running or
immediately after operations. NEVER
operate the engine with heat shields or heat
guards removed.
WARNING
DANGER
CAUTION
WARNING - LETHAL EXHAUST GASES
WARNING - BURN HAZARDS
WARNING - EXPLOSIVE FUEL
During operation of this generator, there
exists the possibility of electrocution,
electrical shock or burn, which can cause
severe bodily harm or even DEATH!
DANGER - ELECTROCUTION HAZARDS
This Operation and Parts
Manual has been developed to
provide complete instructions
for the safe and efficient
operation of the MQ Power
Model DCA-70USI(60Hz)
UltraSilent™ Generator.

DCA-70USI (60 Hz) — OPERATION AND PARTS MANUAL — REV. #0 (01/04/06) — PAGE 9
1
DCA- 70USI (60 Hz) — SAFETY MESSAGE ALERT SYMBOLS
ALWAYS place the Engine ON/OFF
switch in the OFF position and remove
the ignition key when the pump is not in
use.
ALWAYS wear approved respiratory
protection.
ALWAYS wear approved eye and
hearing protection.
Other important messages are provided throughout this
manual to help prevent damage to your generator, other
property, or the surrounding environment.
This generator, other property, or
the surrounding environment
could be damaged if you do not
follow instructions.
NOTE
NEVER tamper with the factory settings
of the engine governor or settings.
Personal injury and damage to the engine
or equipment can result if operating in
speed ranges above maximum allowable.
CAUTION - OVER-SPEED CONDITIONS
CAUTION - ACCIDENTAL STARTING
CAUTION - RESPIRATORY HAZARDS
CAUTION - SIGHT AND HEARING HAZARDS
CAUTION - EQUIPMENT DAMAGE MESSAGES
NEVER operate equipment with covers,
or guards removed. Keep fingers , hands ,
hair and clothing away from all moving
parts to prevent injury.
WARNING - ROTATING PARTS

PAGE 10 — DCA-70USI (60 Hz) — OPERATION AND PARTS MANUAL — REV. #0 (01/04/06)
DCA-70USI (60 Hz) — RULES FOR SAFE OPERATION
The following safety guidelines should always be used when
operating the DCA-70USI (60 Hz) Ultra Silent™ Generator.
General Safety:
■ DO NOT operate or service this
equipment before reading this entire
manual.
The operator MUST BE familiar with proper safety
precautions and operations techniques before using
generator.
■ This equipment should not be operated by persons under
18 years of age.
■ NEVER operate this equipment without proper protective
clothing, shatterproof glasses, steel-toed boots and other
protective devices required by the job.
■ NEVER operate this equipment when not
feeling well due to fatigue, illness or taking
medicine.
■ NEVER operate this equipment under the influence or
drugs or alcohol.
■ NEVER use accessories or attachments, which are not
recommended by MQ Power for this equipment. Damage
to the equipment and/or injury to user may result.
■ Manufacturer does not assume responsibility for any
accident due to equipment modifications. Unauthorized
equipment modification will void all warranties.
■ Whenever necessary, replace nameplate, operation and
safety decals when they become difficult read.
Failure to follow instructions in this manual may lead to
serious injury or even DEATH ! This equipment is to be
operated by trained and qualified personnel only! This
equipment is for industrial use only.
DANGER - READ THIS MANUAL!
■ ALWAYS check the machine for loosened threads or bolts
before starting.
■ NEVER operate the generator in an explosive atmosphere
or near combustible materials. An explosion or fire could
result causing severe
bodily harm or even death.
■ NEVER touch the hot exhaust manifold, muffler
or cylinder. Allow these parts to cool before
servicing engine or generator.
■ HighTemperatures – Allow the engine
to cool before performing service and
maintenance functions. Contact with
hot! components can cause serious
burns.
■ The engine of this generator requires an adequate free
flow of cooling air. NEVER operate the generator in any
enclosed or narrow area where free flow of the air is
restricted. If the air flow is
restricted it will cause serious
damage to the generator or
engine and may cause injury
to people. The generator
engine gives off DEADLY
carbon monoxide gas.
■ DO NOT place hands or fingers inside generator engine
compartment when engine is running.
■ NEVER run engine without air filter.Severe engine damage
may occur.
■ DO NOT leave the generator running in the manual mode
unattended.
■ Refer to the ISUZU Engine Owner's Manual for engine
technical questions or information.
■ ALWAYS store equipment properly when it is not being
used. Equipment should be stored in a clean, dry location
out of the reach of children.