Clarke DR8H-NLKA68 User Manual

C133292 rev AF
1/12/22
Operation and Maintenance
Instructions Manual
DP/DQ/DR/DS/DT MODEL ENGINES
FOR
FIRE PUMP APPLICATIONS
Clarke UK, Ltd.
Clarke Fire Protection Products, Inc.
Unit 1, Grange Works
100 Progress Place
Lomond Road
Cincinnati, OH 45246
Coatbridge
U.S.A.
ML5 2NN
United Kingdom
TELE: +44(0)1236 429946
FAX: +44(0)1236 427274
TELE: +1.513.771.2200 Ext. 427
FAX: +1.513.771.5375
www.clarkefire.com

Clarke DR8H-NLKA68 Specifications

General

Brand	Clarke
Model	DR8H-NLKA68
Category	Engine
Language	English

Summary

1.0 INTRODUCTION

1.1 IDENTIFICATION/NAMEPLATE

Explains the terms "Engine" and "Machine" used in the manual.

MODEL NUMBERING & IDENTIFICATION

Details the identification plates and model numbering system.

1.2 SAFETY/CAUTION/WARNINGS

BASIC RULES

Provides general safety rules for engine operation and maintenance.

ENGINE MODEL WEIGHTS (Figure #2)

Lists engine models and their corresponding weights.

WHAT TO DO IN AN EMERGENCY

FIRE

Instructions for dealing with fire emergencies.

BURNS

First aid instructions for burns.

CARBON MONOXIDE POISONING (CO)

Information on CO poisoning and first aid.

2.0 INSTALLATION/OPERATION

2.1 TYPICAL INSTALLATION

Shows a typical Fire Pump installation layout.

2.2 ENGINE STORAGE

2.2.1 Storage less than 1 year

Guidelines for storing engines for less than one year.

2.2.2 Extended Storage Maintenance Procedure

Procedure for extended engine storage preservation.

2.3 INSTALLATION INSTRUCTIONS

2.4 SPECIFIC FLYWHEEL COUPLING ALIGNMENT INSTRUCTIONS

2.4.2 Driveshaft

Details checking driveshaft alignment and torque values.

Driveshaft Alignment Procedures

Driveshaft Alignment Procedures

Steps and figures for checking driveshaft alignment.

2.5 STARTING/STOPPING THE ENGINE

2.5.1 To Start Engine

Instructions for starting the engine.

2.5.2 To Stop Engine

2.6 WEEKLY TEST

Pre-test checks

Lists checks before performing a weekly engine test.

3.0 ENGINE SYSTEMS

3.1 FUEL SYSTEM

Covers all aspects of the engine's fuel system.

3.1.3 Changing the Fuel Filter Cartridges

3.1.3.1 Fuel Filters

Explains duplex fuel filter replacement.

3.2 AIR/EXHAUST SYSTEM

3.3 LUBRICATION SYSTEM

3.4 COOLING SYSTEM

3.4.2 Engine Coolant

Guidance on selecting suitable engine coolant.

3.4.7 Providing adequate Raw Water Supply to the Engine Heat Exchanger

3.5 ELECTRICAL SYSTEM

3.5.5 Mechanical Engine Control and Alarm Board (MECAB) Speed Switch Troubleshooting

List of Troubleshooting Malfunctions

Details troubleshooting for MECAB speed switch.

3.5.6 FIELD SIMULATION OF PUMP CONTROLLER ALARMS

4.0 MAINTENANCE SCHEDULE

4.1 ROUTINE MAINTENANCE

Routine maintenance schedule based on engine usage.

5.0 TROUBLE SHOOTING

6.0 PARTS INFORMATION

6.1 SPARE PARTS

Guidelines for ordering spare parts.

8.0 WARRANTY

8.1 GENERAL WARRANTY STATEMENT

General statement on engine and system warranty.

8.2 CLARKE WARRANTY

8.3 DOOSAN WARRANTY

APPLICATION OF WARRANTY CLAIMS