Kohler 14RESA Manual
  1. Manuals
  2. Brands
  3. Kohler Manuals
  4. Portable Generator
  5. 14RESA
  6. Manual

Kohler 14RESA Manual

Residential/commercial generator sets
Hide thumbs Also See for 14RESA:
Table of Contents

Advertisement

Quick Links

Residential/Commercial Generator Sets
14RESA/RESAL
20RESA/RESAL
20RESB
20RESC/RESCL
20RESD
RDC2 Controller
DC2 Controller
Service
Models:
Controllers:
TP-6805 8/15b

Advertisement

Table of Contents
loading

Related Manuals for Kohler 14RESA

Summary of Contents for Kohler 14RESA

  • Page 1 Service Residential/Commercial Generator Sets Models: 14RESA/RESAL 20RESA/RESAL 20RESB 20RESC/RESCL 20RESD Controllers: RDC2 Controller DC2 Controller TP-6805 8/15b...

  • Page 3: Table Of Contents

    Table of Contents Safety Precautions and Instructions ............Introduction .
  • Page 4 Table of Contents, continued Controller Replacement ..........Controller Setup .
  • Page 5 Fuel Conversion, 14RESA/RESAL Equipped with Fuel Block ..6.12.2 Fuel Conversion, 14RESA/RESAL Equipped with Fuel Orifice Fittings 120 6.12.3 Fuel Conversion, 20 kW Models ....... . .
  • Page 6 Notes TP--6805 8/15...

  • Page 7: Safety Precautions And Instructions

    Safety Precautions and Instructions Accidental Starting IMPORTANT SAFETY INSTRUCTIONS. WARNING Electromechanical equipment, including generator sets, transfer WARNING switches, switchgear, and accessories, can cause bodily harm and pose life-threatening danger when improperly installed, operated, maintained. To prevent accidents be Explosion. Can cause severe injury or death. aware of potential dangers and act safely.
  • Page 8 Remove all jewelry before servicing the Combustible materials. A fire can Carbon monoxide symptoms. equipment. Discharge static electricity cause severe injury death. Carbon monoxide can cause severe from your body before touching Generator set engine fuels and fuel nausea, fainting, or death. Carbon batteries by first touching a grounded vapors are flammable and explosive.
  • Page 9 Hazardous Voltage/ The fuel system. Explosive fuel CAUTION vapors can cause severe injury or Moving Parts death. Vaporized fuels are highly explosive. Use extreme care when handling and storing fuels. Store fuels DANGER in a well-ventilated area away from spark-producing equipment and out of the reach of children.
  • Page 10 Heavy Equipment High voltage test. Hazardous Servicing the exhaust system. Hot voltage can cause severe injury or parts can cause severe injury or death. Follow the instructions of the death. Do not touch hot engine parts. WARNING test equipment manufacturer when The engine and exhaust system performing high-voltage tests on the components become extremely hot...

  • Page 11: Introduction

    Information in this publication represents data available available. The following table lists the available manual at the time of print. Kohler Co. reserves the right to part numbers. change this publication and the products represented...

  • Page 12: Service Assistance

    Visit the Kohler Power Systems website at Phone: (86) 21 6288 0500 KohlerPower.com. Fax: (86) 21 6288 0550 Look at the labels and decals on your Kohler product India, Bangladesh, Sri Lanka or review the appropriate literature or documents India Regional Office included with the product.

  • Page 13: Section 1 Specifications

    The specification sheets for each generator set provide Generator sets covered in this manual are equipped specific generator and engine information. Refer to the with four-cycle, twin cylinder, air-cooled Kohler engines. generator set specification sheet for ratings and other For engine service information and specifications not data not supplied in this manual.

  • Page 14: Alternator Specifications

    1.6 Alternator Specifications 20RESA(L) 20RESB 20RESA 20RESC(L) 20RESC Alternator Specification 14RESA(L) 14RESA 20RESD Alternator model Frequency Hz 50/60 50/60 50/60 50/60 Phase Number of leads Excitation method Static excited Voltage regulator type Digital Coupling type Direct Insulation (rotor and stator) Epoxy varnish, vacuum impregnated;...

  • Page 15: Service Views

    1.7 Service Views 20, 21 ENCLOSURE PANELS REMOVED TO SHOW DETAIL ADV-8424 1. Hinged inner cover 17. RDC2 or DC2 controller (original controller shown) 2. Hinged roof 18. Alternate mini-breaker location (See Section 5.4) 3. Air intake 19. Starter relay (below controller) 4.
  • Page 16 ENCLOSURE PANELS AND ROOF REMOVED TO SHOW DETAIL NO SCALE ADV-8754 1. Hinged inner cover 16. USB connector (for firmware updates) 2. Oil check (dipstick) 17. RDC2 or DC2 controller 3. 120 VAC receptacle for optional carburetor heater 18. Starter relay (below controller) 4.
  • Page 17 ENCLOSURE PANELS AND ROOF REMOVED TO SHOW DETAIL ADV-8758 1. 120 VAC receptacle for optional carburetor heater (not shown) 17. Oil drain hose 2. Nameplate location 18. Oil drain valve 3. Air intake 19. Spark plugs 4. Line circuit breaker 20.
  • Page 18 Notes Section 1 Specifications TP-6805 8/15...

  • Page 19: Section 2 Scheduled Maintenance

    Section 2 Scheduled Maintenance WARNING WARNING Hot engine and exhaust system. Accidental starting. Can cause severe injury or death. Can cause severe injury or death. Do not work on the generator set until Disconnect the battery cables before it cools. working generator set.

  • Page 20: Service Schedule

    Gas fuel leaks. Explosive fuel vapors can cause severe maintenance. Service the generator set more injury or death. Fuel leakage can cause an explosion. Check frequently if it is subject to extreme weather, long the LPG vapor or natural gas fuel system for leakage by using operating hours, or dusty or dirty conditions.
  • Page 21 Procedure Visually Inspect Section Check Change Clean Test System Component or Procedure Fuel Flexible lines and connections Main tank supply level (LP) Fuel piping Fuel regulator vent tubes, if equipped (20 kW models) 2.10 Lubrication Oil level 2.2.2 8 or E Change oil, 14 kW 2.2.4 Y or 100...

  • Page 22: Lubrication System

    2.2 Lubrication System 2.2.3 Engine Oil Recommendation Use 5W-30 or 10W-30 API (American Petroleum See Section 2.1, Service Schedule, for oil change and Institute) Service Class SG, SH, or SJ synthetic oil. oil filter replacement intervals. See Section 1.7, Service Synthetic oil oxidizes and thickens less than other oils View, for the oil drain, oil check, oil fill, and oil filter and leaves the engine intake valves and pistons cleaner.

  • Page 23: Oil Cooler, 14Kw Models

    2.2.5 Oil Cooler, 14kW Models e. Clean the area around the dipstick and oil fill cap. Inspect and clean the oil cooler at the intervals shown in f. Remove the cap from the oil drain hose and the Service Schedule. The oil cooler must be kept free lower the hose into an oil collection container.

  • Page 24: Oil Cooler, 20Resa/Resal/Resb

    2.4 Spark Plugs 2.2.6 Oil Cooler, 20RESA/RESAL/RESB The oil cooler is used on models 20RESA, 20RESAL, WARNING and 20RESB. Inspect and clean the oil cooler at the intervals indicated in the service schedule. The oil cooler must be kept free of debris.

  • Page 25: Air Cleaner Service

    2.5.1 Air Cleaner, 14 kW Models The engine has a replaceable high-density paper air cleaner element. See Figure 2-9. Check for a buildup of dirt and debris around the air cleaner system. Keep this area clean. Also check for loose or damaged components. Replace all bent or damaged air cleaner components.

  • Page 26: Air Cleaner, 20 Kw Models

    See Figure 2-1 for the service schedule. See Figure 2-10 for the air cleaner components. When element replacement is necessary, order genuine Kohler parts. 1. Press the OFF button on the generator set controller. 2. Disconnect the utility power to the generator set.

  • Page 27: Air Intake And Exhaust System

    6. Do not wash the paper element or use pressurized WARNING air, as this will damage the element. Replace a dirty, bent, or damaged element. Handle new elements carefully; do not use if the sealing surfaces are bent or damaged. 7.

  • Page 28: Stepper Motor Coupling

    2.7 Stepper Motor Coupling damage caused by overheating, keep the housing cooling inlets and outlets clean and unobstructed at all times. Replace the stepper motor coupling and bushings at the intervals shown in the service schedule. See the Parts Note: Do not block the generator set cooling air inlets or Catalog for replacement part numbers.

  • Page 29: Battery

    2.8 Battery This section contains general battery information and maintenance instructions. Also consult the battery manufacturer’s instructions for battery maintenance. WARNING All generator set models use a negative ground with a 12-volt engine electrical system. Consult the generator set nameplate for the engine electrical system voltage. Consult the generator spec sheet for battery capacity recommendations for replacement purposes.

  • Page 30: Checking Specific Gravity

    2.8.3 Checking Specific Gravity Tempera- Correction ture   Use a battery hydrometer to check the specific gravity of 71.1 + .032 the electrolyte in each battery cell. While holding the + .030 hydrometer vertically, read the number on the glass bulb 65.6 + .028 EXAMPLE NO.

  • Page 31: Fuel System Maintenance

    2.9 Fuel System Maintenance 2.10 Fuel Regulator Vent Tubes Models 20RESA(L) and 20RESC(L) may be equipped WARNING with the fuel regulator vent tubes shown in Figure 2-19. If the generator is equipped with the regulator vent tubes, check that the tubes are not blocked. Clean out the tubes, if necessary.

  • Page 32: Storage Procedure

    2.11 Storage Procedure 2.11.4 Exterior Preparation 1. Clean the exterior surface of the generator set. Perform the following storage procedure before removing the generator set from service for three 2. Seal all openings in the engine with nonabsorbent months or longer. Follow the engine manufacturer’s adhesive tape.

  • Page 33: Section 3 Generator Reconnection

    Section 3 Generator Reconnection 3.1 Voltage Reconnection Disabling the generator set. Accidental starting can cause severe injury or death. Before working on the generator set or connected equipment, disable the generator reconnection procedure explains voltage set as follows: (1) Move the generator set master switch to the reconnections only.

  • Page 34: Four-Lead (Single-Phase) Generator Sets

    3.2 Four-Lead (Single-Phase) Generator Sets See the generator specification sheet for available voltage and frequency configurations. See Figure 3-1 Figure 3-2 single-phase alternator connections. ADV-5875-T Figure 3-1 Single-Phase Connection, 1-Pole Breaker ADV-5875-T Figure 3-2 Single-Phase Connection, 2-Pole Breaker Section 3 Generator Reconnection TP-6805 8/15...

  • Page 35: 12-Lead (Three-Phase) Generator Sets

    3.3 12-Lead (Three-Phase) 3. Disconnect utility power to the generator set. Generator Sets 4. Select desired voltage connection. Figure 3-3. Connect the leads according to the Three-phase, 12-lead generator sets are reconnectable diagram for desired phase and voltage. to the voltages shown on the generator set specification sheet.
  • Page 36 ADV-5875E-P Figure 3-3 12-Lead Generator Reconnection Section 3 Generator Reconnection TP-6805 8/15...

  • Page 37: Section 4 Controller

    The USB port is located behind a small rubber cover. Generator Set Model Controller The mini circuit breaker is located near, but not on, the 14RESA controller. See Section 5.4. 20RESA The circuit board, visible on the back of the controller,...

  • Page 38: Sitetech Software

    SiteTech software available Kohler-authorized distributors and dealers. See the SiteTech Operation Manual, TP-6701, for general software operation instructions. Use a USB cable to connect the personal computer directly to the device. See Figure 4-5. The USB cable...

  • Page 39: Controller Parameters

    4.4 Controller Parameters for 50 Hz models. See Section 6.9.2 for instructions to adjust the engine speed, if necessary. Adjustable parameter settings can be changed using a Note: The system frequency must be set correctly personal computer (or laptop) with Kohlerr SiteTecht before adjusting the engine speed setting.
  • Page 40 RBUS modules that can be used. Adjustment Default Range * Setting SiteTech Group Parameter Units Notes Identity Vendor Read Only Kohler Company Product Read Only RDC 2 Firmware Version Read Only Engine Metering Engine Speed R/min Read Only Engine Target Speed...
  • Page 41 Adjustment Default Range * Setting SiteTech Group Parameter Units Notes Generator Metering Generator Apparent Power L1 Read Only Generator Apparent Power L2 Read Only Generator Apparent Power L3 Read Only Generator Total Apparent Power Read Only Generator Reactive Power L1 Read Only Generator Reactive Power L2 Read Only...
  • Page 42 Adjustment Default Range * Setting SiteTech Group Parameter Units Notes Genset Run Time Engine Run Time Until Read Only 200.0 Maintenance Genset Controller Date Format MM/DD/YYYY or MM/DD/ DD/MM/YYYY YYYY Genset Controller Time Format 12 or 24 hr 12 Hr Genset Date Time of Next Read Only Maintenance...
  • Page 43 Adjustment Default Range * Setting SiteTech Group Parameter Units Notes Genset Personality Profile Personality Alternator No effect. Manufacturer Personality Alternator Toc Time No effect. Constant Personality Alternator Number Of No effect. Poles Personality Alternator Type No effect. Personality Fixed Voltage 50 Hz No effect.
  • Page 44 Adjustment Default Range * Setting SiteTech Group Parameter Units Notes Genset System Genset System Voltage 110 -- 600 240.0 Configuration Genset System Frequency 50 / 60 60.0 Genset Voltage Phase Dropdown menu Single Connection Phase Genset Power Rating DO NOT CHANGE Auto select based on...
  • Page 45 Units Notes Advanced Speed Control Factory set per unit. Proportional Gain DO NOT ADJUST unless instructed by the Transient Integral Gain Kohler Generator Service Department. Derivative Gain Slow Correction Integral Gain Diagnostic Derivative Gain Diagnostic Transient Integral Gain Voltage Regulator...
  • Page 46 Adjustment Default Range * Setting SiteTech Group Parameter Units Notes Generator Protection Loss Of AC Sensing Shutdown Read Only Delay Genset Low Voltage Shutdown Read Only Delay Genset High Voltage Shutdown Read Only Delay Genset Low Voltage Shutdown Read Only Limit Genset High Voltage Shutdown Read Only...
  • Page 47 Adjustment Default Range * Setting SiteTech Group Parameter Units Notes Digital Output B2 Digital Output B2 Value Read Only False Digital Output B2 Event See dropdown list in Common SiteTech. Fault Digital Output B3 Digital Output B3 Value Read Only False Digital Output B3 Event See dropdown list in...
  • Page 48 Adjustment Default Range * Setting SiteTech Group Parameter Units Notes ATS Connection ATS Source Read Only Configuration Source 1 System Source 1 System Voltage 110.0 -- 600.0 Genset Configuration (Auto select with System system voltage) Voltage Source 1 System Frequency 48.0 -- 62.0 Genset (Auto select with...
  • Page 49 0.0.0.0 -- 0.0.0.0 255.255.255.255 Static DNS Server 1 0.0.0.0 -- 0.0.0.0 255.255.255.255 Static DNS Server 2 0.0.0.0 -- 0.0.0.0 255.255.255.255 Server Host Name devices.kohler.com devices. kohler. Network Status OnCue IP Address Read Only 0.0.0.0 Plus Subnet Mask Read Only 0.0.0.0...
  • Page 50 Adjustment Default Range * Setting SiteTech Group Parameter Units Notes Rbus Devices B2 RXT, Rbus Devices B2 Serial Number Read Only PIM, or Rbus Devices B2 Type Read Only Load Rbus Devices B2 Communication Read Only Mgmt Errors Rbus Devices B2 Communication Read Only Timeouts Rbus Devices B2 Modbus Id...

  • Page 51: Controller Firmware

    Active Alert controller firmware. Kohlerr distributors can download 1.2 h (if any) the latest software from the TechTools area of the Kohler Power Resource Center website. Controller firmware is also available for download on the Kohler dealer portal and at www.KohlerGenerators.com/usb.

  • Page 52: Controller Replacement

    4.6 Controller Replacement Always check the controller settings, wiring, and connections before replacing the controller. Use the procedure in this section for controller replacement, WARNING when necessary. Some setup is required after the new controller is installed. See Section 4.7 after replacing the controller. The RDC2 controller can be set up using the buttons on the controller or using a personal (laptop) computer and Accidental starting.
  • Page 53 Roof and air intake end panel are not shown. ADV--8424 1. Controller location 2. Utility power connection location (terminal block behind panel) 3. Nameplate location GM84094 Figure 4-7 Controller, Utility Power Connection, and Nameplate Locations, 14/20RESA(L), 1. Utility power connection. Disconnect power at distribution panel and test with voltmeter to verify power is off.
  • Page 54 8. If an original (green board) controller is being replaced with an original controller, OR if a revised (red board) controller is being replaced with a revised controller, go to step 10. 9. If an original (green board) controller is being replaced with a revised (red board) controller, install the new relay (with fuse) and mini circuit breaker provided in kit GM95104.
  • Page 55 tp6806 14/20RESA/L GM92803 GM93317 1. Adapter harness GM92802 2. Fuse connection 20RESB 3. Run relay. Install near start relay. Install fuse (not shown) near relay. Figure 4-12 Relay and Adapter Harness (for replacing original controller with revised controller only) 15. Check the firmware version on the controller. See Section 4.5.

  • Page 56: Controller Setup

    Controller Setup Notes: new controller. In some cases, the Kohler Generator Some of the required information can be found on the Service Department may provide a settings file to load onto the controller for testing or troubleshooting.
  • Page 57 Genset M/N: Genset ----> 20 kW Information Genset S/N: ######## Controller S/N: ######## <---- Return tp6810 Figure 4-16 Generator Set Information Menu, RDC2 Genset ----> Fuel Type: System Voltage: See Note. Natural Gas 240 V System Next Exercise 06:30p 15Dec2011 System Freq: 60 Hz Exercise Mode:...

  • Page 58: Voltage Calibration

    4.8 Voltage Calibration 4.8.1 Calibration using the RDC2 Controller Keypad and Menus WARNING The controller’s voltage calibration can be adjusted using the controller keypad. See Figure 4-18 and follow the procedure below. Note: A digital voltmeter is required for these Hazardous voltage.
  • Page 59 Generator ----> Metering Three-phase Single-phase Volts L1--L2: Volts: Calibrate Calibrate 240 V 240V Volts L2--L3: Frequency: Calibrate 240 V 60.0 Hz To Calibrate Voltage: 1. Press Select when the voltage is displayed. The voltage flashes. Volts L3--L1: Calibrate 240 V 2.

  • Page 60: Calibration Using Sitetech

    4.8.2 Calibration Using SiteTech reading with the voltage displayed on the controller. Voltage calibration factors can be adjusted using SiteTech software to calibrate the RDC2 or DC2 7. If the voltage readings do not match, check your controller. Connect a personal computer (laptop) to the calculations.
  • Page 61 1. Voltage calibration factor Figure 4-20 Voltage Calibration Factor in SiteTecht TP-6805 8/15 Section 4 Controller...

  • Page 62: Setting The Oncue Password

    4.9 Setting the OnCue Password 7. Press Select to reset the password. The generator set serial number and new password are displayed If the Kohlerr OnCue Plusr Generator Management for 10 seconds. Be sure to write down the new System is used to monitor the generator set, reset the password for entry into OnCue Plus.

  • Page 63: Section 5 Troubleshooting

    Section 5 Troubleshooting 5.1 Introduction e. The start solenoid closes and energizes the starter motor, which cranks (turns) the engine. Corrective action and testing in many cases requires f. The engine rotation and field excitation knowledge of electrical systems and electronic circuits. produces alternator voltage.

  • Page 64: Usb Port And Auxiliary Winding Mini-Breaker

    Inadequate fuel supply. Check for damaged primary secondary fuel regulators, loose connections to the fuel solenoid valve, a damaged or closed fuel shutoff valve, an empty LP fuel tank, or other problems with the fuel supply. Check the fuel supply pressure to the generator set. Section 6.11, Fuel Systems.

  • Page 65: Circuit Protection

    5.5 Circuit Protection Emergency Stop Switch Operation 1. Push the red emergency stop button to stop the Line Circuit Breaker generator set. The generator set shuts down immediately and the controller displays Emerg The line circuit breaker interrupts the generator output in Stop Shutdwn.

  • Page 66: Thermostat

    5.7 Thermostat WARNING Model 20RESB, 20RESC(L), and 20RESD generator sets include a resettable thermostat that detects excess heat inside the enclosure. If the thermostat trips, the generator will shut down and the controller will display a Hot engine and exhaust system. fault (underspeed, underfrequency, or undervoltage).

  • Page 67: Oncue Plus Troubleshooting

    5.8 OnCue Plus Troubleshooting See the OnCuer Plus Operation Manual for troubleshooting instructions for the OnCue Plus Generator Management System. 5.9 Fuel System Troubleshooting Most problems with gas fuels involve either fuel pressure fuel regulator function. Basic troubleshooting consists of verifying fuel pressures and checking each fuel system component.

  • Page 68: Troubleshooting Engine Hunting, 20 Kw Models

    3. Most hunting cases can be solved by completing the following two steps: a. Update to the most current version of firmware available. The Kohler Generator Service Department will provide the most current version if it is not yet available on TechTools. b. Models 20RESA(L) and 20RESC(L): Install vent tubes on the two reference ports on the fuel regulator.
  • Page 69 If the unit still hunts after performing the preceding 9. Energize the fuel solenoid valve to verify that it is steps, continue following the troubleshooting steps opening and closing properly. You should hear an below. audible click if the solenoid is operating. Is it operating correctly? 4.
  • Page 70 Figure 5-11. Note: If the generator set still hunts after performing Note: Engines with serial numbers 4223605221 or these procedures, please contact the Kohler higher have a new carburetor gasket that Generator Service Department for assistance. does not require trimming.

  • Page 71: Fault Messages

    5.11 Fault Messages 5.11.1 Main Power Overload Shutdown The Main Power Overload shutdown can be caused by The RDC2 controller displays fault messages to aid in an overcurrent condition on the DC power supply circuit. troubleshooting. Fault messages, descriptions, and Check the crank, run, and flash relay circuits for short recommended checks are listed in Figure 5-12.
  • Page 72 Fault Message Action Description/ Comments Check Battery CRLow Warning Warning Battery voltage dropped to 11 VDC or Check engine starting battery. less for 30 seconds or more. Check battery charger DC output voltage from RDC2 on lead CHO (P1-8) or lead P (P1-1) to the battery.
  • Page 73 Fault Message Action Description/ Comments Check Fuel Leak Shutdwn * Shutdown The controller shut down the generator Check customer equipment because the digital input for Fuel Tank connected to the PIM module. Leak Shutdown (PIM) was activated (low). Fuel Leak Warning * Warning The digital input for Fuel Tank Leak Check customer equipment...
  • Page 74 Fault Message Action Description/ Comments Check OB2 CommLoss Warning Communication with option board #2 Check RBUS wiring to (RBUS device has been lost. inoperative option board. OB3 CommLoss Warning Communication with option board #3 Check RBUS wiring to (RBUS device has been lost.

  • Page 75: Faults Related To Paralleling

    5.11.2 Faults Related to Paralleling system may be displayed on the controller and/or in OnCuer Plus. This section lists those faults and events If the PowerSyncr Automatic Paralleling Module (APM) in Figure 5-13 and Figure 5-14. See the installation is used with two 14 kW or two 20 kW generator sets, instructions provided with the APM for additional additional faults and events related to the paralleling paralleling information.
  • Page 76 Fault Text Description Possible Causes * ErraticSig The power metering on this controller gives a signal Bad wiring to the CT. that is not consistent with the system configuration. Too much tension on wires from the CT to Reversing the power direction does not resolve the the controller.

  • Page 77: Status Messages

    5.12 Status Messages The messages shown in Figure 5-15 and Figure 5-16 (PIM) is required for display of those messages as noted are displayed to show system status. Notices are in the table. displayed in the Event History in SiteTech when active Most status messages indicate normal system but do not appear on the controller display.
  • Page 78 Status Message Action Description/ Comments Check Gen Running Notice The digital output for Generator Running Check controller front panel (PIM) is active (contacts closed), buttons for potential RUN indicating the generator is running. command. If in AUTO, check remote start lines. Consult ATS operation manual for events that may cause the generator to start.
  • Page 79 Status Message Action Description/ Comments Check Load Shed 1 Status Info Notice The digital output for LoadPriority1Shed — is active (contacts closed), indicating the 1st priority load shed has been activated. Load Shed 2 Status Info Notice The digital output for LoadPriority2Shed —...

  • Page 80: Troubleshooting Chart

    5.13 Troubleshooting Chart simplest and most likely causes of the problem are listed first; follow the recommendations in the order shown. Use the following table as a reference in troubleshooting The reference column provides additional sources of individual problems. Generator set faults are listed in information in this and related manuals regarding the groups and include likely causes and remedies.
  • Page 81 Problem Possible Cause Test Corrective Action Reference No fuel Verify that manual fuel valve is Open (turn on) manual fuel valve. — Cranks but open. does not start Check fuel supply tank (LP). Contact fuel supplier to add fuel to fuel supply tank (LP). Insufficient fuel Check fuel pressure to the Contact fuel supplier to replace...
  • Page 82 Problem Possible Cause Test Corrective Action Reference Starts hard Low battery voltage Check battery voltage during Charge battery. Replace battery cranking. if necessary. Check battery charger Tighten loose connections. W/D Section 8 connections and utility power connection to the generator set. Air cleaner clogged Check for a dirty air cleaner Replace element.
  • Page 83 Problem Possible Cause Test Corrective Action Reference Fault shutdown Check for a fault shutdown Correct the fault and then press Section 5.11 Stops message on the controller display. the controller’s OFF button to suddenly Identify the cause of the fault. reset the controller.
  • Page 84 Problem Possible Cause Test Corrective Action Reference Air cleaner clogged Check air filter element. Replace element. Erratic operation Spark plug(s) Check spark plug condition and Replace or regap plugs. gap. Spark plug wire(s) Check spark plug connections Tighten connections. Replace Engine S/M and wires.
  • Page 85 Problem Possible Cause Test Corrective Action Reference Air intake Inspect air intakes and exhaust Clear air intakes and exhaust Lacks restriction, for obstructions. area. Maintain clearances shown power inadequate cooling on the genset dimension drawing. Check air cleaner. Replace air cleaner element. Generator Reduce electrical load and check Unplug some lights or appliances...
  • Page 86 Problem Possible Cause Test Corrective Action Reference Brush connection Check for loose brush Tighten loose brush connections. Section 6.6 Low output connections. excessive Check for loose brush mounting. Tighten mounting screws. drop in Check the resistance through the Replace brushes if they show voltage, brushes.

  • Page 87: Controller Troubleshooting

    5.14 Controller Troubleshooting and adjusted through the controller’s user interface or using a personal computer and Kohlerr SiteTecht Refer to the controller troubleshooting table in software. The generator set operation manual contains Figure 5-17 when troubleshooting procedures in the instructions for checking and changing the controller Section 5.13 indicate a possible controller problem.

  • Page 88: Troubleshooting Load Management Problems

    5.15 Troubleshooting Load 1. On the RDC2 controller, navigate to the Networking Menu and check the number of Management Problems modules connected and the information for remote devices. See Figure 3 and Figure 4. The number The load control module (LCM), load shed kit, and the should equal the number of RBUS devices combined interface/load management board on the connected, including the load management...
  • Page 89 Networking----> Networking----> Information Status Networking----> Configuration RBUS ----> Modules Connected: Information <---- Return Remote ----> Devices See Figure 4. Net Cycle Time: 123ms Module Timeouts: 1234 Module Errors: 1234 < ---- Return tp6804 Figure 3 RDC2 Controller, Networking Information Menu TP-6805 8/15 Section 5 Troubleshooting...
  • Page 90 From Figure 3. <---- Return S/N: XXXXXXXXX S/N: XXXXXXXXX <<*DeviceType*>> <<*DeviceType*>> Device Status: Connected Comm. Errors: 12345 Comm. Timeouts: 12345 ModBus ID: Firmware Ver.: Connected: Displays date/time device was connected. Connected: MM/DD/YY 12:12 Disconnected: Displays date/time of the last successful communication.
  • Page 91 Troubleshooting Tables The following tables list potential load management device operation problems and recommendations for troubleshooting. Load management functional issues. Problem Check Load shed AC relays do not activate. Verify 120 VAC supply voltage to relays. Verify correct wiring to the load management device board and AC relays. Metering always reads 0% under load.
  • Page 92 Loads do not add when they should. Problem Check Loads do not add when load is below 56%. Verify that the generator set maximum load capacity is adequately sized for the application. Verify that the load is not jumping above the maximum capacity. Loads never add.

  • Page 93: Section 6 Component Testing And Adjustment

    Section 6 Component Testing and Adjustment 6.1 Theory of Operation RDC2 The generator set utilizes a rotating-field alternator to Controller produce AC voltage. See Figure 6-1 and Figure 6-2. Refer to Section 8 for the complete generator set schematics. When the controller receives a start signal, it energizes leads FP and 71.

  • Page 94: Alternator Excitation

    6.2 Alternator Excitation 2. Verify the connections for 55, 55F and 66 per Figure 6-1. WARNING 3. Reconnect P2, start the generator and check for voltage between 55 and 66. This voltage should exceed 30 Volts AC when the AC output voltage is above 60 Volts AC.
  • Page 95 Example: WARNING 12 volts (battery voltage) 3 amps (rotor current) 4 ohms (rotor resistance) 3. Start the engine and check that the ammeter reading remains stable. An increasing meter Hazardous voltage. Moving parts. reading indicates a shorted rotor. A meter reading Can cause severe injury or death.

  • Page 96: Stator

    6.3 Stator Stator Continuity and Resistance Tests 1. Press the OFF button on the controller to turn off The stator contains a series of coils of wire laid in a the generator set. laminated steel frame. The stator leads supply AC voltage to the load and voltage regulator.
  • Page 97 Note: For 14/20RESA and 20RESC three-phase Leads Continuity models, leads 1--12 are the generator output 1 and 4 leads. Leads V7, V8, V9, 55, and 66 are the 2 and 5 controller sensing and supply leads. Refer to the 3 and 6 schematic in Figure 6-6 when performing the 7 and 10 following steps.

  • Page 98: Main Field (Rotor)

    6.4 Main Field (Rotor) 4. Check the rotor for continuity and resistance. a. Raise and secure the brushes away from the The two-pole rotor creates the magnetic field needed to slip rings by removing the two brush holder produce alternating current in the stator windings. mounting screws and moving the brush Before testing, inspect the rotor for visible damage to assembly out of the way.

  • Page 99: Slip Rings

    6.5 Slip Rings Slip rings acquire a glossy brown finish in normal operation. Do not attempt to maintain a bright, newly-machined appearance on the slip rings. Cleaning with a dry, lint-free cloth is usually sufficient. Use very fine sandpaper (#00) and apply light pressure to remove roughness.

  • Page 100: Voltage Adjustments

    Excitation current control is performed by the patented Hazardous voltage. Moving parts. Kohler Hybrid Voltage Regulator. This regulator Can cause severe injury or death. consists of a fast-reacting analog inner loop and a slower digital outer loop. The inner loop regulates the...
  • Page 101 Genset ----> System Voltage: System Voltage: 240 V 240 V System System Freq: System Freq: 60 Hz 60 Hz Press the Up or Down arrow button VR Voltage Adj: VR Voltage Adj: to change the setting. 240.0V 240.0V Press the Select button to save the setting and move to the next screen.

  • Page 102: Volts/Hz Slope And Cut-In Frequency

    At a gain setting of 1, it will take 128 seconds to adjust except under unique circumstances and under direction the voltage output 1%. At a gain setting of 255, the from a Kohler factory representative. voltage adjustment rate is related to the difference between the target voltage and the measured voltage, If the slope of the Volts/Hz curve is set too low, the but could vary up to 3.1% per second.

  • Page 103: Governor System

    6.8 Governor System 6.8.2 Initial Checks The factory sets the electronic governor. Under normal The governor system consists of an electromechanical circumstances the electronic governor requires no stepper motor (actuator) and an engine speed further adjustment. Verify that the governor stepper detection/feedback circuit.

  • Page 104: Hunting/Surging

    6.8.3 Hunting/Surging Check the idle-adjustment screw. The screw should not prevent the throttle plate from closing completely. Hunting/surging problems thought to be caused by the Check the throttle linkage for any binding, dirt, governor system are more likely to be caused by fuel damage, or other visible problems.

  • Page 105: Governor System Operation Test

    6.8.4 Governor System Operation Test 6. If the engine speed hunts or surges while the throttle is held steady, check the carburetor and If the engine continues to operate erratically after the engine operation. Refer to the engine service previous checks, test the governor system operation manual for engine diagnostic and service using the following procedure.
  • Page 106 Governor System Operation Test Procedure and operation. See stepper motor troubleshooting starting with step 8 of this procedure. Also check WARNING that the engine speed control parameters are set to the default settings (Engine Speed Governor and Advanced Speed Control parameters in SiteTech). Check the stepper motor, carburetor, and linkage.

  • Page 107: Frequency Adjustment

    If the generator set speed is unstable, hunts, or surges, use SiteTech to verify Using Kohler SiteTech, adjust the Engine Speed Gain that the engine speed control parameters are set to Adjustment setting in the Engine Speed Governor the default settings (Engine Speed Governor group.

  • Page 108: Engine Speed Adjustment For Governor

    Advanced Speed Control Governor Note: Do not adjust the Advanced Speed Control settings unless instructed to do so by the Kohler The Engine Speed Adjustment parameter in the Engine Generator Service Department. Speed Governor group in SiteTech can be adjusted while the generator set is running.
  • Page 109 TP-6805 1. Engine Speed Governor settings 2. Engine Run Speed setting (changes automatically with Genset System Frequency) 3. Genset System Frequency setting (50 or 60 Hz) Figure 6-19 Engine Speed and Frequency Parameters in SiteTech TP-6805 8/15 Section 6 Component Testing and Adjustment...

  • Page 110: Fault Shutdown Tests

    6.10 Fault Shutdown Tests Parameter Setting 14 kW Genset Model Number* Verify the operation of the generator set overspeed, 20 kW overcrank, and low oil pressure shutdowns by Genset Serial Number* From nameplate; see Figure 4-7. performing the tests in Section 6.10.1. If these tests are Natural Gas or inconclusive, test...

  • Page 111: Fault Shutdown Switches

    frequency for about a minute before the Frequency Low Shutdown is triggered. Locked Rotor Shutdown Remove the connector from the starter relay (see Figure 6-38). Press RUN. Verify that the engine does not turn and the controller indicates a Locked Rotor fault. High Engine Temperature Shutdown Note: Testing the high engine temperature shutdown GM81217...
  • Page 112 shown in Figure 6-23. If the resistance is very low Before testing the LOP switch, check the oil level and (indicating a short circuit) or very high (indicating an add oil if necessary. Inspect the generator set engine for open circuit), replace the CTS. evidence of oil leaks.
  • Page 113 6.11 Fuel Systems The controller energizes the fuel solenoid valve to open at startup and deenergizes the valve to close at shutdown. The secondary fuel regulator reduces fuel WARNING pressure for delivery to the fuel block. The fuel flows from the fuel block to the carburetor in a gaseous state. The carburetor mixes the fuel with intake air for consumption by the engine.
  • Page 114 14kW Models before June 26, 2014 Ignition Timing Lead Connection, 14 kW models 1. Fuel block (used on 14 kW models before June 26, 2014) 6. Fuel orifice location (see Figure 6-37) 2. Regulator 7. LPG fuel orifice is tied here for shipping 3.
  • Page 115 6.11.3 Fuel Regulators Checking the Fuel Pressure Use a gauge or manometer to check the fuel pressure at The typical gaseous fuel system uses two regulators. the secondary regulator inlet. See Figure 6-28. The primary regulator reduces the line pressure to an Measure the fuel pressure with the generator set allowable inlet pressure for the secondary regulator.
  • Page 116 6.11.4 Fuel Metering Valve Adjustment, 14RESA/RESAL Only Note: This procedure applies only to units equipped with the fuel block shown in Figure 6-29. The fuel Natural gas block was used on 14 kW models built before setup shown 6/26/2014. The fuel system is factory-adjusted to comply with applicable emission standards and to provide the best possible hot and cold starting.
  • Page 117 22. Reconnect utility power to the generator set. 1. Oxygen sensor mounting location Figure 6-30 Oxygen Sensor Mounting Location on the 14RESA/RESAL Silencer 6. Reconnect utility power to the generator set. 7. Press the RUN button on the controller to start the generator set.
  • Page 118 UL listing information on the old nameplate. Use extreme care when handling, storing, and using fuels. 6.12.1 Fuel Conversion, 14RESA/RESAL Equipped with Fuel Block The fuel system. Explosive fuel vapors can cause severe Two fuel connections on the fuel block allow field- injury or death.
  • Page 119 10. Slide the hose onto the hose fitting and secure it 3. Fuel inlet, 1/2 in. NPT 4. Hose fitting with the clamp. 5. Plug Figure 6-32 Fuel Block, 14RESA/RESAL 11. Disconnect the ignition timing leads for LPG. See Figure 6-26 for the location of the ignition timing leads. Fuel...
  • Page 120 6.12.2 Fuel Conversion, 14RESA/RESAL Equipped with Fuel Orifice Fittings Note: Model 14RESA/RESAL generator sets built before June 26, 2014, use a fuel block for the fuel type selection. Use the instructions in Section 6.12.1 for fuel conversion. Model 14RESA/RESAL generators built June 26, 2014, or later are not equipped with the fuel block.
  • Page 121 See Figure 6-35. ORIFICE FITTING DETAIL 1. Orifice fitting (see detail) GM84143 2. Hose barb fitting Figure 6-36 14RESA/RESAL Fuel System Showing Orifice Fittings (generators built after June 26, 2014) TP-6805 8/15 Section 6 Component Testing and Adjustment...
  • Page 122 6. Insert the orifice into the hose fitting. valve. These leads are used on the Figure 6-37. 14RESA/RESAL generator sets. Connecting or disconnecting these leads has no effect on the 7. Slide the hose onto the hose fitting and secure it operation of 20 kW generator sets.
  • Page 123 6.13 Start (Crank) and Run Relays Start Relay Run Relay Lead Lead Relay Terminal The start (crank) relay is located under the controller. 30 (1) See Figure 6-38. Generator sets built before August 1, 85 (2) 2014, have one start relay in this location. Generator sets built on or after August 1, 2014, have two relays 86 (3) (start and run).
  • Page 124 6.14 Continuity Checks controller circuit board. Use an ohmmeter to check the continuity of the components listed in Figure 6-41. Also see Section 8, Wiring Diagrams. WARNING Figure 6-41 gives resistance readings for functional components. A zero reading on the ohmmeter indicates continuity.
  • Page 125 Section 7 Disassembly/Reassembly This section provides instructions for the disassembly WARNING and reassembly of the generator set alternator. Before beginning the generator disassembly or reassembly procedure, carefully read all safety precautions at the beginning of this manual. WARNING Unbalanced weight. Improper lifting can cause severe injury or death and equipment damage.
  • Page 126 2. Press the OFF button on the controller. Model Weight, kg (lb) 3. Remove 6 nuts and remove the roof. 14RESA(L) 227 (500) Figure 7-2. 20RESA(L) 227 (500) 20RESB 240 (530)
  • Page 127 GM72523 1. Remove three nuts on each side Figure 7-2 Roof Removal 4. Remove the thermal cover: b. Remove the thermal cover. a. Loosen and remove the lock nuts from the front and rear hinge brackets. See Figure 7-3. SEE REAR HINGE SEE FRONT HINGE BRACKET VIEW BRACKET VIEW...
  • Page 128 5. Remove the right-side panel: b. Remove one screw near the controller area. a. Remove two nuts on each side (total of four c. Pull the right-side panel up and off. nuts). See Figure 7-4. Note: Part of the right side panel is cut away in this view to reveal the fasteners.
  • Page 129 6. Remove two screws and remove the front panel. 12. From the inside of the enclosure, remove four nuts See Figure 7-5. securing the left side panel. See Figure 7-7. 13. Pull the panel up and off. ADV-7876 GM72523 1. Remove 2 screws Figure 7-5 Front Panel (air intake end panel) 7.
  • Page 130 14. Remove the alternator air inlet duct. 15. Disconnect the muffler from the engine at the two Figure 7-8. flange connections and remove the muffler. See Figure 7-9. Note: Use new exhaust gaskets when re-installing the muffler. TP-6805 1. Alternator duct Figure 7-8 Alternator Duct TP-6805 1.
  • Page 131 7.2.2 Remove Enclosure, 20RESB and 20RESD Remove the generator set enclosure as described in the following steps. See Figure 7-10. 1. Open the enclosure roof. 2. Press the OFF button on the controller. 3. Remove the screws on one end of the roof stay to disconnect the roof stay.
  • Page 132 6. Remove the plug and two door screws. 11. Disconnect output leads or load circuit cables at the Figure 7-12. Lift the service-side door up and off. field-connection terminal block. 12. Remove the heat shield over the silencer by removing four screws. See Figure 7-14. 1.
  • Page 133 14. Remove the remaining plugs and screws to 16. Remove the exhaust shield and alternator air inlet remove the non-service side housing panel. See duct. See Figure 7-18. Figure 7-16. a. Remove two bolts securing the exhaust shield at the exhaust end and remove the shield. See Figure 7-19.
  • Page 134 7.2.3 Generator Disassembly Note: Obtain new exhaust gaskets before removing the muffler. 18. Disconnect the following alternator wiring inside 17. Disconnect the muffler from the engine at the two the controller junction box. See the wiring flange connections and remove the muffler. See diagrams in Section 8.
  • Page 135 21. Remove the alternator support bracket from the alternator shell. See Figure 7-22. GM80980 TP-6735 1. Alternator support bracket Figure 7-22 Alternator Support Bracket (RESA shown) GM62996 22. Remove the cable tie that attaches the brush leads to the end bracket. See Figure 7-23. GM80982 23.
  • Page 136 25. Using a soft-faced hammer, strike the sides of the end bracket with medium-force blows to remove 29. 14RESA/RESAL only: Remove the four generator the end bracket from the stator or remove the end adapter mounting bolts to remove the generator bracket from the stator using a puller.
  • Page 137 7.3.1 Reassemble Alternator alternator shell. The hole in the bracket must face the engine. See Figure 7-28. 1. 14RESA/RESAL only: Reinstall the generator adapter onto the engine, if necessary. a. Attach the generator adapter to the engine using four 7/16-14 x 1.0 in. hex cap bolts and washers.
  • Page 138 e. Place the end bracket onto the stator assembly, lining up the alignment marks on the top of the stator and end bracket. See Figure 7-29. f. Thread the four overbolts with locating washers through the end bracket and into the generator adapter, sliding one damper onto each overbolt, if equipped.
  • Page 139 7. Reinstall the end bracket components. a. Inspect the brushes. If brushes show uneven wear or are worn to less than half their original length, replace them. See Section 6.6. b. Install the brush holder with shim onto the end bracket.
  • Page 140 7.3.2 Reassemble Exhaust System 7.3.3 Reinstall Enclosure, 14/20RESA(L) and 20RESC(L) 8. Install the exhaust system. See Figure 7-34. 9. Reinstall the alternator duct panels shown in Note: Use new exhaust gaskets when re-installing Figure 7-35. the muffler. 10. Reconnect the following alternator wiring inside the a.
  • Page 141 17. Re-apply the 120VAC power supply to the generator set by closing the upstream circuit breaker. 18. Turn on the fuel supply. Press RUN to start the generator set and check for leaks with the engine running. 19. Press OFF to turn off the generator set. Then press AUTO if an automatic transfer switch or remote start/stop switch is used.
  • Page 142 SEE REAR HINGE SEE FRONT HINGE BRACKET VIEW BRACKET VIEW REAR HINGE BRACKET VIEW FRONT HINGE BRACKET VIEW 1. Thermal cover 2. Screw 3. Lock nut GM81036 Figure 7-37 Thermal Cover Section 7 Disassembly/Reassembly TP-6805 8/15...
  • Page 143 7.3.4 Reinstall Enclosure, 20RESB and 24. Press the OFF button on the generator set controller. 20RESD Connecting the battery and the battery charger. 21. Reinstall the alternator air inlet duct. Orient the Hazardous voltage can cause severe injury or death. duct as shown in Figure 7-38.
  • Page 144 29. Reinstall the enclosure panels in reverse order of removal. See Figure 7-39 and refer to the disassembly instructions, if necessary. a. Install the rear (alternator end) housing panel. b. Install the non-service side housing panel. c. Install the left side panel. d.
  • Page 145 Section 8 Wiring Diagrams This section contains wiring diagrams and schematics which controller is installed on the generator set, then for the generator sets. Figure 8-1 lists the drawing find the applicable drawings in Figure 8-1, below. numbers and page numbers. All RESC, RESCL, and RESD models are equipped with For RESA, RESAL, and RESB models, note that there revised controllers.
  • Page 146 Figure 8-2 Schematic Diagram, ADV-8164-D Section 8 Diagrams and Drawings TP-6805 8/15...
  • Page 147 Figure 8-3 Point-to-Point Wiring Diagram, GM81217-D TP-6805 8/15 Section 8 Diagrams and Drawings...
  • Page 148 Figure 8-4 Schematic Diagram, ADV-8563 Section 8 Diagrams and Drawings TP-6805 8/15...
  • Page 149 Figure 8-5 Point-to-Point Wiring Diagram, GM89939 TP-6805 8/15 Section 8 Diagrams and Drawings...
  • Page 150 Figure 8-6 Schematic Diagram, 14/20RESA/RESAL, ADV-8706, Sheet 1 of 3 Section 8 Diagrams and Drawings TP-6805 8/15...
  • Page 151 Figure 8-7 Schematic Diagram, 14/20RESA/RESAL, ADV-8706, Sheet 2 of 3 TP-6805 8/15 Section 8 Diagrams and Drawings...
  • Page 152 Figure 8-8 Schematic Diagram, 14/20RESA/RESAL, ADV-8706, Sheet 3 of 3 Section 8 Diagrams and Drawings TP-6805 8/15...
  • Page 153 Figure 8-9 Point-to-Point Wiring Diagram, 14/20RESA/RESAL, GM93298, Sheet 1 of 3 TP-6805 8/15 Section 8 Diagrams and Drawings...
  • Page 154 Figure 8-10 Point-to-Point Wiring Diagram, 14/20RESA/RESAL, GM93298, Sheet 2 of 3 Section 8 Diagrams and Drawings TP-6805 8/15...
  • Page 155 Figure 8-11 Point-to-Point Wiring Diagram, 14/20RESA/RESAL, GM93298, Sheet 3 of 3 TP-6805 8/15 Section 8 Diagrams and Drawings...
  • Page 156 Figure 8-12 Schematic Diagram, Model 20RESC/20RESCL, ADV-8771, Sheet 1 of 3 Section 8 Diagrams and Drawings TP-6805 8/15...
  • Page 157 Figure 8-13 Schematic Diagram, Model 20RESC/20RESCL, ADV-8771, Sheet 2 of 3 TP-6805 8/15 Section 8 Diagrams and Drawings...
  • Page 158 Figure 8-14 Schematic Diagram, Model 20RESC/20RESCL, ADV-8771, Sheet 3 of 3 Section 8 Diagrams and Drawings TP-6805 8/15...
  • Page 159 Figure 8-15 Wiring Diagram, Model 20RESC/20RESCL, GM96293, Sheet 1 of 3 TP-6805 8/15 Section 8 Diagrams and Drawings...
  • Page 160 Figure 8-16 Wiring Diagram, Model 20RESC/20RESCL, GM96293, Sheet 2 of 3 Section 8 Diagrams and Drawings TP-6805 8/15...
  • Page 161 Figure 8-17 Wiring Diagram, Model 20RESC/20RESCL, GM96293, Sheet 3 of 3 TP-6805 8/15 Section 8 Diagrams and Drawings...
  • Page 162 Notes Section 8 Diagrams and Drawings TP-6805 8/15...
  • Page 163 Appendix A Abbreviations The following list contains abbreviations that may appear in this publication. A, amp ampere cubic feet per minute est. estimated ABDC after bottom dead center center of gravity E--Stop emergency stop alternating current cubic inch displacement etc. et cetera (and so forth) analog to digital centerline...
  • Page 164 Motoren--und Turbinen--Union rnd. round kilobyte (2 bytes) megawatt read only memory KBus Kohler communication protocol milliwatt rot. rotate, rotating kilogram microfarad revolutions per minute F kg/cm kilograms per square N, norm. normal (power source)
  • Page 165 Appendix B Common Hardware Application Guidelines Use the information below and on the following pages to Steps for common hardware application: identify proper fastening techniques when no specific 1. Determine entry hole type: round or slotted. reference for reassembly is made. 2.
  • Page 166 Appendix C General Torque Specifications American Standard Fasteners Torque Specifications Assembled Assembled into Cast Iron or Steel Torque into Aluminum Grade 2 Grade 5 Grade 8 Size Measurement Grade 2 or 5 8--32 Nm (in. lb.) (16) (20) – 10--24 Nm (in.
  • Page 167 Appendix D Common Hardware Identification Screw/Bolts/Studs Nuts Hardness Grades Head Styles Nut Styles American Standard Hex Head or Machine Head Hex Head Grade 2 Hex Head or Machine Head Lock or Elastic Grade 5 with Washer Flat Head (FHM) Square Grade 8 Grade 8/9 (Hex Socket Round Head (RHM)
  • Page 168 Appendix E Common Hardware List The Common Hardware List lists part numbers and dimensions for common hardware items. American Standard Part No. Dimensions Part No. Dimensions Part No. Dimensions Type Hex Head Bolts (Grade 5) Hex Head Bolts, cont. Hex Nuts X--465--17 1/4--20 x .38 X--6238--14...
  • Page 169 Metric Hex head bolts are hardness grade 8.8 unless noted. Part No. Dimensions Part No. Dimensions Part No. Dimensions Hex Head Bolts (Full Thread), Hex Head Bolts (Partial Thread) Hex Head Bolts (Partial Thread), continued continued M931--05055--60 M5--0.80 x 55 M931--06040--60 M6--1.00 x 40 M933--12016--60...
  • Page 170 Metric, continued Part No. Dimensions Type Hex Nuts M934--03--50 M3--0.50 Standard M934--04--50 M4--0.70 Standard M934--04--B M4--0.70 Brass M934--05--50 M5--0.80 Standard M934--06--60 M6--1.00 Standard M934--06--64 M6--1.00 Std. (green) M6923--06--80 M6--1.00 Spiralock M982--06--80 M6--1.00 Elastic Stop M934--08--60 M8--1.25 Standard M6923--08--80 M8--1.25 Spiralock M982--08--80 M8--1.25 Elastic Stop...
  • Page 172 Singapore 619159 Phone (65) 6264-6422, Fax (65) 6264-6455 For the nearest KOHLER authorized installation, service, and sales dealer in the US and Canada: TP-6805 8/15b Call 1-800-544-2444 or visit KOHLERPower.com E 2012, 2013, 2014, 2015 by Kohler Co. All rights reserved.

This manual is also suitable for:

14resal20resa20resal20resb20resc20rescl ... Show all

Table of Contents