National Mower Triplex-CE DL 68" - Manual (Page 13)

NATIONAL 68" SR & DL TRIPLEX – CE ®
13
grease be checked once each year. Check grease level
by loosening the bolts in the differential case flanges and
spreading case halves. It is not necessary to totally
disassemble the case or remove the wheels for this
inspection. Add Multi-purpose Gear Grease such as
Pennzoil No. 303 or equivalent if necessary. Total grease
capacity is 1-1/2 pounds.
Do not use oil in the differential case in place
of grease–it will leak through the seals.
MAINTENANCE
LUBRICATION
Figure D shows the top view of the 68" Triplex Mower
with guards removed. Lubricate the machine at the
recommended locations and intervals using the proper
lubicants to ensure maximum service and long life of your
machine. Refer to the engine manual (separately
furnished) for proper lubrication and maintenance
instructions.
Since the mower does not operate at high speeds, the
grease level in the differential is not critical providing that
there is sufficient grease to coat the gears.
Unless leakage is evident, it is recommended that the
FIGURE D
LUBRICATION CHART
ITEM GREASE OIL FEQUENCY
1
2
3
4
8 Hours
8 Hours
30 Hours
Yearly Gear Grease
Figure E shows the top view of the left
wing mower with guards removed and
shows the proper lubrication locations.
These areas on both wing mowers must
be free of dirt and grass clippings and be
well lubricated for proper drive belt ten-
sion and operation. Support collars for the
wing mower pull rods must be kept in
alignment to maintain belt tension.
IMPORTANT
FIGURE E