Warranty

Warranty Time:

During the warranty time, customer will enjoy YARMAX power or local authorized distributor’s good service and maintenance.

Products Warranty:

Products warranty time based on the delivery time and running time. YARMAX power provide warranty time in the following tables, special terms could be settled in the contract.

Product warranty time：
   

Wearing parts warranty time：

Warranty Contents:

During warranty time, products are used in correct way by customer, if there are malfunctions occur in engine/alternator/pump. YARMAX power or local authorized distributor wil be in charge of free check and preparing. Broken parts will be replaced by brand new spare parts,further more,products will be debugged well.

Warranty Charges:

All spare parts and labor cost will be paid by YARMAX power or local authorized distributor during warranty time. Customer will not take on any charges.

Response Time:

YARMAX power or local authorized distributor should response customers’ claims within 24 hours and provide the relative service.

Exceptions for Warranty:

Damages occur in customer’s transportation;

Damages occur from customer’s incorrect operation;

Damages occur from customer’s self-repairing during warrant time;

Damages occur in war,earthquake,hurricane etc irresistible;

Customer could not provide the warranty card or purchasing evidence.
   

Repair and Maintenance

1. General

A good maintenance program is the key to extending the genset’s lifetime. Maintenance and service should only be operated by qualified technicians. Records of this work should be kept to develop an efficient maintenance program.

2 Generator Set Preventative Maintenance

Check before starting every time ( For standby sets these procedures may be performed weekly.) A walk around inspection should be performed on a daily basis and prior to starting the engine.
   

Every two weeks:

( For standby sets that have not been run.) Perform an operational check on the generating set by starting and running the set for only takes 5 minutes. WARNING: don’t run diesel engines at low loads for long periods.

Every month

( For standby sets that have not been run on load. ) Perform an operational check on the generating set by starting and running the set on at least 50% load takes 1 to 2 hours.

Every six months or 250 hours

Repeat the daily procedures, as follows:

Check all control system safety devices by electrically simulating faults.

Clean all battery cap vents.

Tighten all exhaust connections.

Tighten all electrical connections.

Perform other engine maintenance as specified in the engine manual.

Start the engine and observe the instrument panel to ensure that ll gauges and meters are operating properly.
   

FAQ

When diesel generator sets operate, in standby power or prime power, they perhaps encounter some mechanical or electrical problems which could cause them to either shutdown or degrade their performance. Generator set problems vary from simple electrical wiring faults to major engine problems. Trouble-shooting in the generator sets can simply answer these questions: What caused this alarm, or what caused this shutdown or what caused this erratic befavior. Trouble-shooting is a process of collecting the information and defining the problem. After defining the problem, list all the possible causes of the problem and finally select the solution to eliminate the problem, as well as taking the economics and reliability into consideration.

A. Malfunction and Troubleshooting for Diesel Engine
   

Trouble and Trouble shooting for the Engine Not Being Started

Trouble and Troubleshooting for Deficient Power of Diesel Engine

Trouble and Troubleshooting for Engine Stopping Automatically.

Trouble and Troubleshooting for Exhausting Black Smoke

Checking Methods when the Engine Encounters Malfunction

B Overhaul and Troubleshooting for Diesel Generator

Trouble and Troubleshooting for the Generator not Running Automatically