Timberwolf TW 280TVGTR, Instruction Manual

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SERVICE INSTRUCTIONS
C190-0176 01.03.2019 Rev: 2.0
TW 280TVGTR
Safe Maintenance
Solidly support the under carriage if it needs to be •
lifted up for maintenance .
Hydraulic systems may get very hot after working. •
Keep all components in good condition as they are •
exposed to high pressures.
Immediately repair damage and replace worn or •
broken items.
Keep the tracks clean, removing excess oil, grease •
and dirt.
Check for oil leaks and damaged hoses. •
Only use recommended lubricants. Do not mix •
different brands.
Keep track stretcher grease nipples clean. •
Maintenance intervals are only guidelines. The amount of times maintenance is conducted should be increased beyond
recommended guidelines if severe conditions are encountered.
6
1
TRACK BASE MAINTENANCE
CHANGE HYDRAULIC OIL AND FILTER
WARNING
USE PLASTIC GLOVES TO KEEP OIL OFF SKIN
AND DISPOSE OF THE USED OIL AND FILTER
IN AN ECOLOGICALLY SOUND WAY. THE OIL
AND FILTER SHOULD BE CHANGED ONCE A
YEAR OR AT ANY TIME IT BECOMES
CONTAMINATED. BEFORE STARTING CHECK
THAT THE CHIPPER IS STANDING LEVEL AND
BRUSH AWAY LOOSE CHIPS.
NOTE: This is a non-adjustable air breather filter.
REPLACEMENT OF OIL IN THE TRACK DRIVE UNIT
To fill with oil, track the machine until the gearbox casing is level with a plug positioned
at 12 o’clock as shown. Unscrew the two plugs and fill from the upper hole until oil
reaches the level of the lower hole.
NOTE - Ensure the correct grade of oil is used: Gear Oil EP80W-90 GL5
OIL FILL
MAXIMUM LEVEL
DRAINING THE OIL IN THE TRACK DRIVE UNIT
DRAIN PORT
VENTING
To drain the oil, track the machine until a plug is at 6 o’clock as shown. Unscrew both
plugs and allow oil to discharge into a suitable container. Dispose of waste oil in a safe
and approved way.
REDUCTION UNIT OIL TYPES
We recommend, for track drive gearboxes, using gear oils with E>P. additives and viscosity
to SAE 80W/90 or ISO VG 150. Continuous duty temperature must not exceed 90
o
C.
Remove the black screw cap from the filter housing. 1
Partially remove the filter element from the inner cup. 2
Leave the filter to drain for 15 minutes.
Remove the filter element from the cup when it’s clear 3
of hydraulic oil.
Remove the drain plug and drain the oil into a suitable 4
container.
Replace the drain plug. 5
Refill with VG 32 hydraulic oil until the level is between 6
the min and the max lines marked on the tank (about
48 litres).
Refit the filter cup, install a new filter element and refit 7
the black screw cap to the filter housing ensuring the
o-ring remains in place.