Figure 7.9 Position
of Cross Connection Pump
on the Launch Vehicle
THE HYDRAULIC FLUID IS UNDER GREAT PRESSURE.
ENGINES ON BOTH TRUCKS MUST BE SHUT OFF WHILE DISCONNECTING HYDRAULIC
FAILURE TO DO SO COULD CAUSE SERIOUS INJURY OR DEATH TO
Equipment damage. To prevent hydraulic contamination, keep the hydraulic quick
disconnects clean, or damage to hydraulic system may result.
The quick disconnects are located on the back of the L/H box on the donor PLS
Disconnect the hydraulic lines (Figure 7.10 (2)) on the donor truck at the quick
Using the first slave hose, connect the male end of the slave hose to the female end
of the supply hose on the operable PLS truck.
Using the second slave hose, connect the female end of the slave hose to the male
end of the return hose on operable the PLS truck.
It is possible to daisy chain two or more hoses together but this should be avoided if
at all possible as it can create backpressure in the tank line.