869. Maintenance (RMS-EX only)English■ GEARCASE LUBRICATIONWith the exception of oil leaks or contamination, theRedMax Sweeper's oil filled gearcase is designed tolast the life of the machine under normal use:• It is not necessary to add oil or to "top off" thegearcase under normal operating conditions.• For continuous heavy-duty applications, (such aswhere the machine will be stopped only duringrefueling), RedMax recommends replacing RedMaxSweeper gearcase oil every 40 hours of operation.■ REPLACING THE GEARCASE OIL (MA1)Warm the gearcase oil by running the RedMaxSweeper at varying speeds for approximately 8-10minutes, and then switch the engine to "OFF" anddisconnect the spark plug wire at the engine. Use thefollowing procedure to remove and replace allgearcase oil.1. Remove the drum and axle assemblies (see page28), and then remove the four end cap bolts and theend cap (the gearcase need not be removed fromthe RedMax Sweeper).2. Allow all used gearcase oil to drain into a smallcontainer.BURN DANGER! The gearcase and oil will beextremely hot after use!3. Place the RedMax Sweeper main gear flat. Refill thegearcase with Mobil SHC 634 Synthetic Gear Oil tothe top of the main gear (60ml – 1.80zs), as shown.DO NOT OVERFILL! (MA1)(1) End cap(2) Main gear4. Apply a continuous bead of loctite ultra grey aroundthe pilot diameter of the end cap. Install the end cap,and then install and firmly tighten the four end capbolts.5. Install the drum and axle assemblies, and thenreconnect the spark plug wire.WARNINGMA1