HYDRAULIC
Accessory Clamp Set-Up
94
 M2.0-1055-101
– Use Service Menu, F13, to set Accessory 2 
flow for the attachment. Set flow to match the 
attachment manufacturer's nominal recom-
mended flow. For example, if the attachment 
manufacturer recommends 5 - 8 gpm, start at 5 
gpm. Refer to Figure 19638.
– Use a piece of cardboard or paper to check for 
hydraulic leaks. Disconnect hydraulic plumbing 
to attachment. Cap hoses with a plastic plug to 
avoid oil leakage and contamination. Catch any 
oil that may be spilled.
– Connect a pressure gauge to the two ports (a) 
of the carriage mounted crossover relief mani-
fold used for the attachment. Refer to Figure 
19639.
– Observe and record the pressure on each 
gauge while operating the attachment in the di-
rection of release.
– Calculate the crossover relief valve setting by 
subtracting the lower pressure from the higher 
pressure.
– Adjust the crossover relief valve until the at-
tachment maximum rated pressure is obtained.
2. Re-connect hydraulic plumbing to attachment as 
disconnected above.
3. If equipped with electronic pressure regulator, as-
semble the coil back into PRVA.
4. Use a piece of cardboard or paper to check for hy-
draulic leaks.
5. If the attachment is equipped with a relief valve, set 
it to approximately 100 psi less than the attach-
ment's rated pressure. The attachment should 
have a gauge port for this purpose. For example, if 
the attachment is rated to 2200 psi, set the attach-
ment relief valve to 2100 psi.
Figure 19638
Figure 19639
Crown 2008 PF17288-2