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Viscosity index, ASTM D2270
Pour Point, ASTM D97
Industry Standards
API GL-4, AGCO Powerfluid 821 XL, Ford New Holland
FNHA-2-C-201.00, Kubota UDT, John Deere J20C, Vickers
35VQ25 and Volvo WB-101/BM
Note:
Many hydraulic fluids are almost colorless,
making it difficult to spot leaks. A red dye additive
for the hydraulic system fluid is available in 20 ml
(0.67 fl oz) bottles. One bottle is sufficient for 15 to
22 L (4 to 6 US gallons) of hydraulic fluid. Order
Part No. 44-2500 from your Authorized Service
Dealer.
Checking the
Hydraulic-Fluid Level
Service Interval: Every 25 hours
Refer to
Hydraulic Fluid Specifications (page 35)
hydraulic fluid specifications.
1.
Park the machine on a level surface, engage
the parking brake (if applicable), and lower the
grinder.
2.
Shut off the engine and remove the key.
3.
Look into the glass bubble on the right side of
the machine. If you cannot see hydraulic fluid in
the bubble, continue this procedure to add fluid.
Figure 57
1. Hydraulic-fluid check bubble
4.
Remove the front cover; refer to
Front Cover (page
5.
Clean the area around the filler neck of the
hydraulic tank and remove the cap and filter
from the filler neck using a socket
140 to 152
-37 to -43°C (-35 to -46°F)
Removing the
19).
(Figure
58).
1. Filler-neck cap
6.
If the level is low, add fluid until it is visible in the
for
glass bubble.
7.
Install the cap and filter on the filler neck and
torque bolt on top to 21 to 25 N∙m (200 to 240
in-lb).
8.
Install the front cover; refer to
Front Cover (page
Replacing the Hydraulic
Filter
Service Interval: Every 200 hours
1.
Park the machine on a level surface, engage
the parking brake (if applicable), and lower the
grinder.
2.
Shut off the engine and remove the key.
g319440
3.
Remove the front cover; refer to
Front Cover (page
4.
Remove and discard the old filter
5.
Install the replacement hydraulic filter and filler
cap
(Figure
to 25 N∙m (200 to 240 inch-lb).
6.
Clean up any spilled fluid.
7.
Install the top cover.
36
Figure 58
2. Hydraulic-fluid filter
Removing the
19).
Removing the
19).
(Figure
58) and torque the bolt on top to 21
g319454
58).
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