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WALKER MANUFACTURING COMPANY
July 2006
SERVICE INSTRUCTIONS
NOTE: In case the gearboxes are completely
drained of oil, approximately 5 fl. oz. (15 cl) of oil per
gearbox is required to refill the gear drive assembly.
NOTE: Since the gearboxes are connected as a
unit by connector tubes, it is necessary to add oil
slowly. Allow a few minutes after adding oil for the
oil to flow throughout the assembly and the oil level
to stabilize before reassembly.
IMPORTANT: DO NOT overfill the deck gearbox-
es. The gearbox assembly is not vented, and over-
filling with oil will cause excessive pressure and
result in oil leaks.
5. Check condition of the cover gasket and replace if
worn or damaged. Reinstall gearbox cover plates;
torque screws to 24 in-lb (2.7 N
ā
m).
DSD52 or DSD62 Mower Deck Lubrication
There are several special lubrication requirements for
the DSD52 or DSD62 mower deck in addition to the re-
quirements detailed in the Chassis and Deck Lubrica-
tion illustration. Lubricate the locations shown in the
Blade Spindle Lubrication and Gearbox, Dolly
Wheel, and U-Joint Lubrication photos and check
and maintain oil in the belt drive gearbox.
1. Lubricate the blade spindles every 25 hours with
two (2) shots of SAE general purpose lithium or
molybdenum base grease.
Blade Spindle Lubrication
2. Check the oil level in the belt drive gearbox every
100 hours (or sooner if a visible oil leak has devel-
oped). With the deck in the normal operating posi-
tion, remove the level plug in the side of the
gearcase. Add SAE E.P. (Extreme Pressure) 80W-
90 gear lube to maintain the level to the plug. If the
oil level is low, check the gearbox for any indication
of an oil leak. If an oil leak is noted, the gearbox will
need to be removed and rebuilt.
3. Lubricate the dolly wheel pivot every 25 hours
with general purpose grease.
4. Lubricate the U-Joint in the drive shaft every 8
hours with SAE general purpose lithium or molyb-
denum base grease.
Gearbox, Dolly Wheel, and U-Joint Lubrication
Gearbox and Dolly Wheel Lubrication
Blade
Spindles
Dolly Wheel
Pivot
U-Joint
Belt Drive
Gearbox
Dolly Wheel
Pivot
Belt Drive
Gearbox
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