THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES
Operation and Parts Manual
MODEL MQP20P
20kW Standby generator
Diesel engine exhaust and some of
proposition 65 warning
Page
Component Drawings
Table of Contents
Installation
Inspection/Setup
Choose from three easy options
Parts Ordering Procedures Ordering parts has never been easier
When ordering parts, please supply
Best Deal! Order via internet Dealers Only
SaFeTY MeSSageS
Safety Information
SaFeTY SYMBOlS
DaNgeR
geNeRaTOR SaFeTY
geNeRal SaFeTY
Safety Information
NeveR lubricate components or attempt service on a running machine
Safety Information
eNgiNe SaFeTY
DaNgeR
TOWiNg SaFeTY
Fuel SaFeTY
Safety Information
DaNgeR
grounding Safety
eleCTRiCal SaFeTY
power Cord/Cable Safety
death
eNviRONMeNTal SaFeTY
BaTTeRY SaFeTY
Safety Information
DaNgeR
Model
SPECIFICATIONS
Phase
Battery
DIMENSIONS
NOTE GROUND LUG MUST BE INSTALLED BY USER
installation
Figure 2. Typical Generator Grounding Application
GENERATOR GROUND LUG
Indoor Installation
Outdoor Installation
Mounting
Generator Grounding
Generator
general information
Camlok outlet box panel
VOLTAGE REGULATION
principle of operation
Engine
ElectrONIC Governor System
Table 4. Generator Major Components
major components
ITEM NO
DESCRIPTION
Table 5. Basic Engine Components
basic engine components
DESCRIPTION
Figure 5. Digital Controller Components
digital controller panel
outlet connectors
connector outlet box and main circuit breaker
MAIN CIRCUIT BREAKER
Single Phase
Table 6. Power Factor By Load
Single Phase Load
load application/generator output
Generator Amperage
Refueling Procedure
inspection/setup
Lubrication Oil
Fuel Check
ONLY use #2 diesel fuel when refueling
when heated
DO NOT fill on unlevel ground
inspection/setup
Air Cleaner
Cleaning the Radiator
Battery
Coolant Antifreeze/summer coolant
Wiring
Battery Cable Installation
Alternator
Piping and Hose Connection
Before Starting
startup
Starting Manual
Starting Auto Mode
emergency Shutdown Procedure
Normal Shutdown Procedure
CLOSING THE ENCLOSURE DOOR
startup
Jacket Water Heater Battery Charger Connect to external
JacketWater Heater and Internal Battery Charger
120 VAC power source
Figure 21. Battery Charger and Jacket Water Heater Power Connections
protective devices
protective devices
TRANSPORTING
transporting
LIFTING
CHAIN
Air Filter Dust Indicator
maintenance
General Inspection
Air FILTER
Fuel Addition
Cleaning Inside the Fuel Tank
Removing Water from the Fuel Tank
Fuel Tank Inspection
voltage regulator adjustments
Radiator Cleaning
Flushing Out Radiator and Replacing Coolant
Potentiometers
Generator Storage
Adjustment Procedure
maintenance
Troubleshooting Generator
Troubleshooting Generator
Symptom
Possible Problem
Troubleshooting Engine
Troubleshooting engine
Symptom
Possible Problem
Troubleshooting MEC20 Controller
troubleshooting controller
Symptom
Possible Problem
troubleshooting controller
Troubleshooting MEC20 Controller - continued
Symptom
Possible Problem
Troubleshooting Voltage Regulator
troubleshooting VOLTAGE REGULATOR
Symptom
Possible Problem
Figure 28. Maintenance Parts Locator
MAINTENANCE PARTS LOCATOR
J1 E1
K1 B1
CONTROL BOX
generator Wiring Diagram single phase
SADDLE BOX
generator Wiring Diagram single phase
CIRCUIT BREAKER BOX
GENERATOR
generator Wiring Diagram three phase
505 K1
generator Wiring Diagram three phase
505 505
Explanation of Code in Remarks Column
SaMple paRTS liST
NO. Column
paRT NO. Column
MQP20P with PERKINS 404D-22 DIESEL ENGINE 1 to 3 units
Suggested Spare Parts
Description
Housing assy
REMARKS
PART NAME
Housing assy
HOUSING ASSY., PAINTED WHITE, W/ INSULATION
Engine and Generator Mounting assy
PART NAME
Engine and Generator Mounting assy
EE46389
To TB1-20
Fuel assy
PART NAME
Fuel assy
REMARKS
CAP, FUEL TANK, LOCKING 2IN NPT
Power Source
Electrical assy
To External
BATTERY, MAINT. FREE, GROUP 24
CHARGER, BATTERY, AUTO, FLOAT EQ
MAGNETIC PCKUP W/ WIRES RED/BLCK
Electrical assy
Jacket Water HEater assy
To External Power Source
PART NAME
Jacket Water HEater assy
REMARKS
EE40205
Solenoid assy
PART NAME
Solenoid assy
REMARKS
EE2916
Radiator Connection
Radiator assy
Radiator assy
KIT, WIRING HARNESS COOLANT SENSR
PART NAME
REMARKS
Air filter assy
Air filter assy
NOT SERVICED SEPARATELY
PART NAME
REMARKS
Engine exhaust assy
PART NAME
Engine exhaust assy
EE54297
Engine Oil assy
PART NAME
Engine Oil assy
REMARKS
VALVE, LOCKING BALL, BRASS, 1/2IN FNPT
control panel assy
PART NAME
control panel assy
REMARKS
FRAME, BOX, CONTROL AND CIRCUIT BREAKER
To Engine
Controller assy
PART NAME
Controller assy
RELAY, 8 BLADE DPDT, 12VDC, 10A
CONTROLLER, SPEED UNIT, 12/24V
saddlebox assy
PART NAME
saddlebox assy
REMARKS
BLOCK, MIDGET FUSE TYPE, 3 POLE
Circuit breaker assy
PART NAME
Circuit breaker assy
REMARKS
BUS BAR, LONG, 1/4 IN COPPER BAR
11 12 13 14
camlok assy
Ground
Circuit
PART NAME
Camlok assy
REMARKS
BOX, CONTINUOUS HINGE, HOFFMAN
SpeCial expeDiTiNg SeRviCe
Terms and Conditions of Sale - Parts
paYMeNT TeRMS
FReigHT pOliCY
Page
PLEASE HAVE THE MODEL AND SERIAL NUMBER ON-HAND WHEN CALLING
HERE’S HOW TO GET HELP
Service Department
Warranty Department