Generac Power Systems 005053-1, 005054-0, 005053-0, 005054-1, 005040-1 Level, Maintenance, Tasks

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Maintenance

Section 4 — Maintenance

Guardian Liquid-cooled 25 kW Generator

Maintenance

Level 1

 

Level 2

 

Level 3

 

Level 4

 

Tasks

Recom-

Task

Required

Task

Required

Task

 

Task

 

mended

Comp.

to be done

Comp.

to be done

Comp.

Required

Comp.

 

to be done

(Date-

3 months/

(Date-

Semi-

(Date-

to be done

(Date-

 

monthly

Initials)

Break-in

Initials)

annually

Initials)

Annually

Initials)

1. Disable the unit from operating per the first page warning.

2.Check the engine oil level. Adjust as necessary.

3.Check the engine coolant level. Adjust as necessary.

4.Check the engine coolant

thermal protection level. Correct as necessary.

5.Check the natural gas delivery system on gas

engine driven units. Tighten connections as necessary.

6. Check the air inlets and outlets for debris. Clean as necessary.

7. Check the battery electrolyte level if accessible. Adjust as necessary.

8.Check the battery posts, cables, and charger for

loose connections, corrosion, and proper operation. Correct as necessary.

9.Check the unit wiring for loose connections,

corrosion, and damage. Correct as necessary.

10.Check the engine accessory drive belts for

wear, weather cracking, and damage. Replace as necessary.

11.Visually inspect the unit looking for leaks, wear or damage, loose connections or components, and corrosion. Correct as necessary.

12.Test the engine and

transfer switch safety devices. Correct and/or adjust as necessary.

22 Generac® Power Systems, Inc.

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Contents SHOULD ATTEMPT INSTALLATION Owner’s ManualLiquid-cooled, Prepackaged Standby Generators This manual should remain with the unitAUTHORIZED SERVICE DEALER LOCATION ‹ OPERATION AND MAINTENANCE‹ HOW TO OBTAIN SERVICE INTRODUCTIONTable of Contents Guardian Liquid-cooled 25 kW GeneratorGENERAL HAZARDS Despite the safe design of this generatorParts of the generator are rotating and/or hot during operation. Exercise care near running gen- eratorsELECTRICAL HAZARDS FIRE HAZARDSEXPLOSION HAZARDS ‹ STANDARDS INDEX1.2 TRANSFER SWITCH 1.1 GENERATOR1.3 AUTOMATIC SYSTEM OPERATION 1.4 GENERATOR AC CONNECTION SYSTEMS‹ 1.7.1 LOW OIL PRESSURE SWITCH ‹ 1.7.2 HIGH COOLANT TEMPERATURE SWITCH‹ 1.7.3 LOW COOLANT LEVEL SWITCH Figure 1.4 - Low Oil Pressure Switch1.10 SPECIFICATIONS ‹ 1.7.6 LOW BATTERY‹ 1.8.1 UNPACKING PRECAUTIONS 1.8 UNPACKING1.12 RECONFIGURING THE FUEL SYSTEM FOR LP VAPOR Figure 1.8 - Reconfigure the Fuel System1.11 FUEL CONSUMPTION ‹ 1.10.2 GENERATOR1.15 BEFORE INSTALLATION 2.1 STANDBY GENERATOR INSTALLATION1.13 ENGINE OIL RECOMMENDATIONS 1.14 COOLANT RECOMMENDATIONS2.3 GENERATOR MOUNTING AND SUPPORT 2.4 BASIC STANDBY ELECTRIC SYSTEM2.2 GENERATOR LOCATION ‹ 2.1.2 OTHER PUBLISHED STANDARDS2.9 USING AN ENGINEERED “GTS” TRANSFER SWITCH 2.5 EMERGENCY CIRCUIT ISOLATION METHOD2.6 TOTAL CIRCUIT ISOLATION METHOD 2.7 GROUNDING THE GENERATOR2.10 BATTERY INSTALLATION Pos2 OFF - Standard Prepackaged ATS Application‹ 2.10.1 VENTED BATTERIES Standby generators installed with automatic3.1 ENGINEERED GTS TRANSFER SWITCH ‹ 2.11.2 TRANSFER SWITCH2.11 PREPARATION BEFORE START-UP ‹ 2.11.1 PRIOR TO INITIAL START-UP‹ 3.2.2 FAULT INDICATOR LEDS ‹ 3.2.1 AUTO/OFF/MANUAL SWITCH‹ 3.2.5 SET EXERCISE TIME SWITCH 3.2 CONTROL CONSOLE COMPONENTS3.4 ENGINE GOVERNOR ADJUSTMENTS 3.3 MANUAL TRANSFER AND START-UP‹ 3.2.6 SYSTEM READY LED Figure 3.2 - Engine Governor Adjustment Figure 3.3 - “Set Exercise Time” Switch3.6 AUTOMATIC OPERATION 3.7 WEEKLY EXERCISE CYCLE3.8 CONTROL BOARD DIP SWITCH SETTINGS 4.1 MAINTENANCE PERFORMED BY AUTHORIZED SERVICE FACILITIESA. EVERY THREE MONTHS B. ONCE EVERY SIX MONTHS4.2 EXHAUST MANIFOLD PROCEDURE 4.3 INTAKE MANIFOLD PROCEDURE4.4 CYLINDER HEAD PROCEDURE Figure 4.1 - Intake Manifold Installation4.8 MAINTENANCE OWNER/ OPERATOR CAN PERFORM 4.6 OVERLOAD PROTECTION FOR ENGINE DC ELECTRICAL SYSTEM4.7 CHECKING FLUID LEVELS ‹ 4.8.11 CHANGING THE ENGINE AIR CLEANER Figure 4.4 - Setting the Spark Plug Gap‹ 4.8.8 CHECK FAN BELT ‹ 4.8.9 INSPECT ENGINE GOVERNOR4.9 MISCELLANEOUS MAINTENANCE ‹ 4.9.1 CLEANING THE GENERATOR‹ 4.9.2 BATTERY ‹ 4.9.3 BATTERY MAINTENANCE4.10 SCHEDULED MAINTENANCE Service Maintenance Interval InformationTurn off the battery charger turn OFF utility supply to ATS Remove the negative battery cableMaintenance LevelTasks Maintenance TROUBLESHOOTING POINTS PROBLEMCAUSE CORRECTIONGenerac Power Systems, Inc Wiring Diagram - 2.5L Engine 15kW & 20kW units -Drawing No. 0F1411 26 Generac Power Systems, IncSection 7 - Electrical Data Generac Power Systems, Inc 28 Generac Power Systems, Inc Generac Power Systems, Inc Wiring Diagram - 2.5L Engine 25kW unit -Drawing No. 0E9982-B 30 Generac Power Systems, IncGenerac Power Systems, Inc Electrical Schematic - 2.5L 25kW unit - Drawing No. 0E9983-B 32 Generac Power Systems, IncGenerac Power Systems, Inc HARNESS WIRE 34 Generac Power Systems, IncMOUNT BLOCK ENGINEDESCRIPTION PANEL FOR ACCESS GROUND WIRECOVER CABLE FASTENER TO SECUREEnclosure - Drawing No. 0E9720-D 38 Generac Power Systems, Inc HINGE CONTINUOUS 1.5L CTRL PNL 40 Generac Power Systems, Inc DESCRIPTION 42 Generac Power Systems, Inc Guardian Liquid-cooled 25 kW Generator Engine - Drawing No. 0E9918-ESTEPPER MOTOR UNITS ONLY TO RADIATORSOURCE GENERAC-BOSCH GOV GASKET, 2.5L FORD EXHAUST MANSERPENTINE BELT - 41 3/8 LENGTH BRKT,D.C. ALTERNATORMACHINED0E1028A I/N TO ENGINECOVER 44 Generac Power Systems, IncDESCRIPTION LOCKTIGHT LEADS46 Generac Power Systems, Inc Alternator - Drawing No. 0E8660-CROTOR REPLACEMENT PARTS ROTOR 390 30KW 1P DIRECT HSB 3.0L FORD & 2.5L FORDSTR 390 35AD1 HSB 382MM LONG3.0L FORD & 2.5L FORD CONDUIT FLEX 1-1/4 30 LG - 3.0L FORD & 3.9L CHRYSLER48 Generac Power Systems, Inc SCREW HHC M8-1.25 X 60 G8.8 FTSECURE WIRE HARNESS ITEM 13 NEOPRENECOATING WITH TIE WRAP AS SHOWN50 Generac Power Systems, Inc 1024SUPPORT,RADIATOR 2.5L FORD HOSE, UPPER RADIATOR 174MMSection 9 - Installation Diagram Installation Diagram - Drawing No. 0F1020-AYOUR WARRANTY RIGHTS AND OBLIGATIONS MANUFACTURER’S EMISSION CONTROL SYSTEM WARRANTY COVERAGEPURCHASER’S/OWNER’S WARRANTY RESPONSIBILITIES CALIFORNIA EMISSION CONTROL WARRANTY STATEMENTEMISSION CONTROL SYSTEM WARRANTY EMISSION RELATED PARTS INCLUDE THE FOLLOWINGGENERAC POWER SYSTEMS TWO YEAR LIMITED WARRANTY FOR GUARDIAN WARRANTY SCHEDULETHIS WARRANTY SHALL NOT APPLY TO THE FOLLOWING GENERAC POWER SYSTEMS, INC P.O. BOX 297 WHITEWATER, WI