Bradco CONTRACTOR 408A BACKHOE, Operator'S & Parts Manual, Page: 104 / 142

VALVE ASSEMBLY
GRESEN VALVE SERVICE PARTS
6974
5-22-96
NO PART NO. DESCRIPTION
1 45282 Spool Positioner Assembly
a Bonnet
b Spring
c Spring Collar
d Spool Spud
e Screw
2 45667 Cylinder Port Relief Assembly @ 2500 PSI
(Due to close tolerances only the seals may be serviced in the field.)
4822 Seal Kit
a O-Ring Seal
b Backup Ring
c O-Ring Seal
d Backup Ring
e O-Ring Seal
3 45139 Relief/Anti-Cav. Check Assembly @ 2250 PSI
(Due to close tolerances only the seals may be serviced in the field.)
4822 Seal Kit
a O-Ring Seal
b Backup Ring
c O-Ring Seal
d Backup Ring
e O-Ring Seal
4 4819 Lockout Check Assembly
(Due to close tolerances only the seals may be serviced in the field.)
4829 Seal Kit
a O-Ring Seal
b Backup Ring
c O-Ring Seal
d Backup Ring
5 45633 Port Restrictor Assembly .076 Dia. Orifice
45643 Port Restrictor Assembly .109 Dia. Orifice
a Spring
b Orifice Plate
6 45148 WH Main Relief Valve Assembly @ 2250 PSI
(Due to close tolerances only the seals may be serviced in the field.)
45142 Seal Kit
a O-Ring Seal
b Backup Ring
c O-Ring Seal
d O-Ring Seal