Clarke DQ6H-NLKA98 - 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

Summary

1.0 INTRODUCTION

1.1 IDENTIFICATION AND NAMEPLATE

1.2 SAFETY AND WARNINGS

Provides general safety advice and rules for operating the engine.

2.0 INSTALLATION AND OPERATION

2.3 INSTALLATION INSTRUCTIONS

2.4 FLYWHEEL COUPLING ALIGNMENT

Details on checking and ensuring proper alignment of pump and engine shafts.

2.5 STARTING AND STOPPING THE ENGINE

2.5.1 TO START ENGINE

Instructions for starting the engine, including manual and automatic modes.

2.5.2 TO STOP ENGINE

Procedures for stopping the engine using the main pump controller or gauge panel.

2.5.3 EMERGENCY STOP INSTRUCTIONS

How to use the emergency stop lever for different engine models.

2.6 WEEKLY TEST

3.0 ENGINE SYSTEMS

3.1 FUEL SYSTEM

3.3 LUBRICATION SYSTEM

3.4 COOLING SYSTEM

Details on operating temperature, coolant, water, and capacities.

3.5 ELECTRICAL SYSTEM

3.5.2 DRIVE BELT TENSION AND ADJUSTMENT

3.5.3 SPEED SWITCH

Explains the overspeed shutdown and verification functions.

3.5.5 MECAB SPEED SWITCH TROUBLESHOOTING

Troubleshooting guide for MECAB speed switch and alarm indicators.

3.5.6 PUMP CONTROLLER ALARM SIMULATION

3.6 ENGINE SPEED ADJUSTMENT

4.0 MAINTENANCE SCHEDULE

4.1 ROUTINE MAINTENANCE

5.0 TROUBLE SHOOTING

Clarke DQ6H-NLKA98 Specifications

General

Brand	Clarke
Model	DQ6H-NLKA98
Category	Engine
Language	English