Benford 2000 - Gearbox

June 2004 9507EM/5
2-26
2 to 9 Tonne Dumper Instruction Manual
Maintenance
Gearbox
Due to the complexity of the Shuttle Gearbox only
routine servicing tasks are described for this gearbox
in this manual.
Removing Gearbox
Models 2 and 3 Tonne Straight and Swing Skips
Before removing the gearbox the machine must be cleaned
and positioned on firm level ground. The wheels must also be
chocked to prevent the machine moving.
CAUTION - Engine / Gearbox Assembly
Uses a 3 Point Mounting Arrangement
z Remove the complete floor plate.
z Remove the battery.
z Place a wooden wedge or similar between the engine bed
plate and the front of the engine to support the engine when
the gearbox is being removed.
z Remove the split and clevis pin from the clutch operating
rod on the gearbox end.
z Undo and remove the two nuts and bolts, joining the two
gearbox side brackets, located on the top of the gearbox.
z Undo the nuts fixing the gearbox side brackets to the gearbox.
z Remove the return line filter, complete with bracket, and
allow it to hang safely out of the way. Remove the left hand
gearbox bracket.
z Undo the four nuts and bolts fixing the anti-vibration mount
crossmember to the rear frame and lift the crossmember,
complete with the right hand gearbox side bracket, out of
the frame.
z Remove propshaft nuts and bolts, from the gearbox end, and
allow propshaft to hang from the transfer box.
z Place a suitable sling under the gearbox and attach to a lifting
device. Take the weight of the gearbox / engine assembly on
the lifting device.
z Remove the eight setscrews, fixing the gearbox to the engine,
from around the bell housing. Leave one of the two top
setscrews until the gearbox is ready to be lifted out.
z Remove the last bell housing setscrew and pull the gearbox
away from the engine.
z When gearbox is free from the engine lift out of the frame,
turn the gearbox through 90º when lifting to facilitate
removal.
Clutch
Operating
Arm
A.V. Mount
Bell Housing
Setscrews
A.V. Mount Crossmember
A.V. Mount Crossmember
Fixings - Two Either End
Right Hand
Gearbox Side
Bracket
Gearbox
Side Bracket
Propshaft
Machines fitted with Steel Tanks
have a Return Line Filter mounted at
the bottom of the gearbox bracket