3.6
HYDRAULIC MAINTENANCE
There are four items of routine maintenance associated with the hydraulic system of the V18. With proper maintenance
the hydraulic system of the V18 should provide years of reliable service.
1. OIL FILTER - Ten micron ltration of the hydraulic oil is provided by a spin on type lter mounted on the tank
return line as shown below. The element should be changed every 500 working hours or a minimum of at least once per
year. Suitable replacement elements are:
CANFLO - RSE-30-10
GRESEN - K-23018
LHA - SPE-15-10
ZINGA - AE-10
2. OIL LEVEL - The oil level should be maintained in the upper half of the level gauge. Normally the rate of oil con-
sumption will be very low and it should be unnecessary to add oil more often than at lter changes. Add oil only to the top
line on level gauge. The hydraulic tank capacity is 8 US gallons.
NOTE: The V18 is shipped from the factory with Texaco Rando HD 46 oil. Generally any brand of recognized mineral hy-
draulic oil with the same properties should be compatible with Texaco Rando HD 46 oil, but to avoid any risk we suggest
staying with Texaco Rando HD 46. If it is desirable to change brands, it is necessary to drain the tank and to ll to1/3 with
the new oil. Operate through several full strokes of each cylinder, drain the tank again, and nally ll the tank with the new
brand.
Recommended replacement oils:
Chevron - AW Hydraulic Oil 46
Conoco - Super Hydraulic 46
Mobil - Mobil DTE 25
Esso - NUTO H46
Shell - Tellus 46
3 HYDRAULIC OIL CHANGE - Oil visual inspection should be conducted with every lter change for the following
signs of degradation:
Milky or hazy oil colour
Burnt smell
Varnish or sludge formation
Increased viscosity
If one of the above is observed, oil should be changed. It is recommended to change the oil after 6000 hours of operation
or every 2 years.
4. OIL TEMPERATURE - Oil temperature is indicated by a thermometer contained in the level gauge. Oil temper-
ature during steady operation should stabilize at about 50 - 55°F (10˚ - 13°C) above room temperature. Thus in a 70°F
(21C) shop one might expect an oil temperature of about 120°F (49°C). Oil temperature should never exceed 160 F°
(71°C).
5. OIL PRESSURE - Oil pressure is factory set to 650 psi and should not require further attention
NOTE: For extended head, pressure is factory set at 900 psi
Hydraulic tank and manifold assembly are
mounted on a door located on the infeed
side of the base. The level and temperature
gauge is found on the front of the door.
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