Service Manual
495B SE (S)
55
Last Updated - 9/28/2016
SWING MOTOR GEARBOX MAINTENANCE (T1/02)
RRT-T1/02 SINGLE-STAGE, VERTICALLY MOUNTED GEARBOX:
CHECKING FLUID LEVELS
Anelbowtting(withanoilexpansiontankandanoilbreather/llerpluginit)islocatedinthetopsideofthegearbox.
Theoilexpansiontankshouldriseabovetheverytopofthegearbox,andtheuidlevelshouldbekeptatjustless
than half way up the expansion tank. See Figure 1.
If a separate lube reservoir is used (it is connected to the gearbox with a hose),it must be kept at half full.
FLUID TYPE
Use EP80-90 Gear Fluid in gearbox and lube reservoir (if used).
FILLING THE GEARBOX WITH FLUID
Fillthegearboxthroughtheoilbreather/llerpluglocatedinthetopoftheoilexpansiontank.SeeFigure1.
Ifalubereservoirisused,keepaddinguidtothelubereservoiruntilgearboxisfullandlubereservoirremainsathalf
full.Thellercaphasabuilt-inbreatherwhichallowsairtoescapeasneeded.
FLUID CAPACITIES
Fluid capacity of gearbox ............................ 9.09 quarts.
Fluid capacity of lube reservoir (if used) ...... 2quarts(keepathalffulloncegearboxislledwithuid).
RECOMMENDED FLUID CHANGE INTERVALS
Fluidshouldbechangedaftertherst50hoursofmachineoperation,andevery400hoursafterthat.Drainplugis
locatedundergearboxmountingange.
MOUNTING BOLT TORQUE
Gearbox mounting bolts should be torqued to 127 Ft. Lbs. of lubed torque. Use anti-seize lubricant 514-00700.
Figure 1
Swing Motor
Drain Plug
Swing Motor
Gearbox
Fluid Level
inside Gearbox
Swing Motor Gearbox
Mounting Bolts
Drain
Plug
Oil Expansion Tank
Oil Breather/Filler Plug
Elbow