Product Manual

18
7000W DIESEL GENERATOR
CHAPTER 3 MAINTENANCE
3-1 Maintenance schedules
Keeping your generator well maintained will prolong the life of your generator. Everything needs to be
checked including the diesel engine, generator, control cabinet, and frame.
Before starting the maintenance, make sure the diesel engine is off.
Please refer to the Table 3-1 for the proper maintenance schedule.
time
item
Everyday
After 1 month
or 50hours
Every 3 month or
200 hours
Every 6 month or 400
hours
Every 1year or
1000 hours
Check the fuel level and
refill
_Before
starting
Drain the fuel tank _
Check and fill enough
engine oil
_
Clean the fuel filter _
Check fuel oil leakage
_after every
operating
Check and screw each
fastered part
_
_screw the bolt of
cylinder head firmly
Check injector _
Check injection pump _
Cheak fuel pipe
_If necessary exchange
it
Check the lube. oil level in
the oil pan and refill
_before
starting
Replace the lube. oil _the first time
_the second time and
afterward
Clean lube. Oil filter _the first time
_the second time and
afterward
Check the air cleaner
element
_the first time
_the second time and
afterward
Change the core of air filter If damaged or smeary , change it in time
Check the battery liquid
level and refill
_
Adjusting the intake and
exhaust valve clearance
_the first time
_the second time and
afterward
Grind air intake and air
exhausted gate
_
Exchange piston ring _
Check electric brush and
slide ring
_
Check insulation resistance The time of stop is over 10 days _
19
7000W DIESEL GENERATOR
3-1.1 Changing the engine oil (every 200 hours)
Take the oil cover off. Remove the oil
drain plug when the diesel engine is still
hot. Be careful of hot oil and hot engine
as you may get burned. The bolt is
located at the bottom of the cylinder.
After draining the oil, put the bolt back
and tighten it. Then fill with the proper
engine oil to the proper level.
3-1.2 Air filter maintenance schedule
1. Clean air-filter every 6 months or 400 hours of
operation.
2. If necessary, exchange it.
3. Do not use detergent to clean air filter element.
Note:
Never start the engine without the air filter.
This can cause serious damage to the engine if
foreign objects enter the intake system.
Always change the air filter on time.
3-1.3 Fuel filter maintenance
1. The fuel filter should be cleaned often to keep the engine running at maximum
performance.
2. The recommended time period for cleaning the fuel filter is 6 months or 400
hours of operation.
a. To do this, first drain the fuel from the fuel tank.
b. Loosen the small screws on the fuel switch and remove the fuel filter
form the port. Use diesel fuel to clean the fuel filter. Also, remove the
fuel injector and clean the carbon deposit around it. The recommended
time period for this is 3 months or 200 hours.
3-1.4 Cylinder head bolt tensions
The cylinder head bolts should be tightened to specifications please refer to the
diesel engine manual for specifications and the special tools required to do
this.