JLG GRADALL 522D Owner's/Operator's Manual page 67

FIGURE 11
NOTE: Residual Valve (item 21) is only found in
Model 06-460-566.
Repair
Model
Kit
Number
06-460-654 06-459-010
06-460-656 06-459-020
06-460-658 06-459-020
06-460-660 06-459-020
06-460-662 06-459-020
06-460-664 06-459-020
06-460-666 06-459-020
06-460-668 06-459-010
06-460-670 06-459-020
06-460-672 06-459-010
06-460-674 06-459-020
06-460-676 06-459-010
06-460-678 06-459-020
06-460-682 06-459-010
Items included in Repair
Kit 06-459-010
Items included in Repair
Kit 06-459-020
Courtesy of Crane.Market
(11)