46 Section 4 Scheduled Maintenance TP-6843 1/13
4.1.1 Service Schedule, 6VSG Models
System Component or Procedure
See
Section
Procedure
Frequency
Visually
Inspect Check Change Clean Test
Fuel
Flexible lines and connections X R Quarterly
Main tank supply level (if LPG fueled) X Weekly
Fuel piping X Yearly
Lubrication 4.2
Oil level X X 8 hours or before use
Crankcase breather hose X Yearly or 500 hours
Change oil X Yearly or 100 hours ‡
Replace filter X Yearly or 200 hours
Cooling 4.5
Air ducts, louvers X X Yearly
Exhaust Line 4.6
Leakage X X Weekly
Insulation, fire hazards X Yearly
Obstructions or combustible materials near exhaust
outlet
X Weekly
DC Electrical System 4.7
Battery charger operation, charge rate (if equipped) X Monthly
Remove corrosion, clean and dry battery and rack X X Yearly
Clean and tighten battery terminals and inspect boots X X Yearly
Battery electrolyte level and specific gravity * X Yearly
AC Electrical System
Tighten control and power wiring connections X Yearly
Remote control system (if equipped) X Monthly
Visible wear or damage X Quarterly
Wire abrasions where subject to motion X X 6 months
Wire-cable insulation condition X 3 years or 500 hours
Engine and Mounting
Visible wear or damage X Weekly
Air cleaner and precleaner service † 4.4 R Yearly or 100 hours
Spark plugs 4.3 X Yearly or 300 hours
Replace stepper motor coupling and bushing D 500 hours
Generator
Visible wear or damage X Quarterly
Exercise generator set X Weekly
Brushes and collector ring D D Yearly
Measure and record resistance readings of windings
with insulation tester (Megger
®
, with SCR assembly or
rectifier and load leads disconnected) *
D 3 years
General Condition of Equipment
Evidence of vibration, leakage, excessive noise,
temperature, or deterioration
X X X Weekly
Interior of sound enclosure X X Quarterly
* Not necessary for maintenance-free batteries. X Action
† Service more frequently under extremely dusty/dirty conditions. D Authorized distributor/dealer only
‡ Yearly or 250 hours if equipped with optional Oil Makeup Kit. R Replace as necessary
Megger® is a registered trademark of Biddle Instruments.