Rans Inc.
Section 7
Model S-7LS COURIER
Aircraft Ground Handling and Servicing
Original Issue
March 3, 2005
7- 3
SERVICING WITH OIL
The engine oil is contained inside the oil bottle which is mounted firewall forward.
Oil quantity is 3 qts.
Reference Section 1 for a description of the system and approved oil grades.
For additional information refer to ROTAX Operators - and Maintenance Manual.
Visual inspect the oil level using the dipstick in the top of the oil bottle. The top cowling is
equipped with an oil door to allow for access.
Prior to oil check turn the propeller several times by hand to pump oil from the engine
into the oil tank, or let the engine idle for 1 min. This process is finished when air is
returning back to the oil tank and can be noticed by a murmur from the open oil tank.
WARNING
–Do not stand within the arc of the propeller, check ignition
off, throttle closed and park brake set before rotating the propeller by
hand.
SERVICING WITH COOLANT
Check the coolant level inside the coolant expansion bottle.
The bottle is located on the left side of the firewall.
Inspection is possible using a flash light via the oil door on the top cowling.
Remove the top cowling if required for a thorough inspection.
For filling - the top cowling must be removed.
Fluid is added to the expansion bottle to just above the minimum fluid mark. Use a long
funnel to fill the system.
For approved coolant fluids and additional information about the system refer to ROTAX
Operators – and Maintenance Manual.
AIRCRAFT CARE
INTRODUCTION
If your airplane is to retain that new airplane performance and dependability, certain
inspection and maintenance requirements must be followed. It is recommended to follow
a planned schedule of lubrication and preventive maintenance based on the climatic and
flying conditions encountered.