Generac Mobile MGG450, Owner'S Manual

Page: 28 / 60

24 Owner’s Manual for MGG450
Maintenance
Basic Maintenance Schedule
Table 4-8. Basic Maintenance Schedule
Daily
• Walk around inspection (see Daily Walk Around Inspection )
• Check oil level
• Check coolant level
Every 1,500 Hours**
• Replace oil filters (engine and by-pass)
• Replace engine oil (see Engine Oil Recommendations for oil types)
• Inspect filter minder/replace element as needed
• Inspect fuel and radiator hoses
• Inspect and tension belts*
• Inspect batteries
• Inspect coalescing filter
• Inspect flexible couplings
• Clean and inspect radiator
• Inspect coolant
• Replace spark plugs
• Check and adjust valve lash
Every 7,500 Hours
• Replace spark plug wires and coils
• Replace thermostats
• Rebuild water pump
• Replace block heater
• Replace coolant
• Replace cooling fan belt
• Replace rubber cooling and charge air couplings
• Replace DC alternator and belt
• Replace exhaust flex
• Replace exhaust blankets
* Visually check belts for damage each time the unit is serviced.
** See the 1,500 Hour Service Interval Manual (0L5448).
Daily Walk Around Inspection
Look for conditions that could hinder performance or
safety, such as (but not limited to) oil, coolant, fuel
leakage, blocked vents, loose or missing hardware and
electrical connections. Check for foreign matter blocking
the vents and on top of unit. When unit is not running:
• Visually check belts for damage.
• Coolant should be checked daily. Coolant should
be visible in the sight glass located near the top of
the radiator.
• Check electrical connectors, battery and ground
points. Look for loose or missing hardware.
• Check all flexible rubber hoses for deterioration.
Engine Oil Recommendations
To maintain the product warranty, the engine oil should
be serviced in accordance with the recommendations of
this manual. For your convenience, maintenance kits are
available through your local GMP ASD.
The engine has been filled with factory engine oil of a
grade recommended by the engine supplier. See the
applicable engine service manual for engine oil
recommendations.
Use a high quality detergent oil with an appropriate
classification and viscosity for the engine type and
ambient temperature conditions. Consult your GMP ASD
for oil recommendations.
• Shell Mysell S5 N 15W40 (1500 hour change)
• Valvoline Premium Blue GEO LA 15W40 (1500
hour change)