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475 A CRL
800-00167
Figure 8
Figure 8
Figure 8
Figure 8
Figure 8
A20/A35 CONTROL VALVE MAINTENANCE CONTINUED...
SERVICE INSTRUCTIONS FOR VA/VG REMOTE CONTROL OPERATORS
SERVICE INSTRUCTIONS FOR VA/VG REMOTE CONTROL OPERATORS
SERVICE INSTRUCTIONS FOR VA/VG REMOTE CONTROL OPERATORS
SERVICE INSTRUCTIONS FOR VA/VG REMOTE CONTROL OPERATORS
SERVICE INSTRUCTIONS FOR VA/VG REMOTE CONTROL OPERATORS
Read these instructions carefully. Failure to follow these procedures can result in poor performance and/or product
failure. Make sure all work is done in a clean area.
SECTION DISASSEMBLY -
SECTION DISASSEMBLY -
SECTION DISASSEMBLY -
SECTION DISASSEMBLY -
SECTION DISASSEMBLY - SEE FIGURE 8.
1. Remove cap screws (8) from both ends of the valve section.
2. Remove end caps (6), seal (10) and end cap tube (11) from each end of casting.
3. Remove seal retainer (2) and seals (1 & 10) from the clevis end of the spool assembly.
4. Remove spool and spring package assembly from valve section. Remove seal retainer (2) and seals (1 & 10) to
replace seals.
5. If stripper bolt (3) must be removed from the spool for replacement of parts, it may be necessary to apply heat to
the hex nut and stripper bolt to loosen adhesive that was applied to the threads. Use heat carefully to avoid
warping spool.
PREPARATION OF PARTS
PREPARATION OF PARTS
PREPARATION OF PARTS
PREPARATION OF PARTS
PREPARATION OF PARTS
1. Clean adhesive from threads of spool, stripper bolt, housing, cap screw holes and hex nut with Loctite Chisel
Gasket Remover.
2. Wash all parts in solvent to remove grease and oil. Blow dry.
SECTION ASSEMBLY -
SECTION ASSEMBLY -
SECTION ASSEMBLY -
SECTION ASSEMBLY -
SECTION ASSEMBLY - SEE FIGURE 8
CAUTION
CAUTION
CAUTION
CAUTION
CAUTION
Failure to follow these recommended assembly
Failure to follow these recommended assembly
Failure to follow these recommended assembly
Failure to follow these recommended assembly
Failure to follow these recommended assembly
instructions can result in poor performance and/or
instructions can result in poor performance and/or
instructions can result in poor performance and/or
instructions can result in poor performance and/or
instructions can result in poor performance and/or
failure of the product. Product should be thoroughly
failure of the product. Product should be thoroughly
failure of the product. Product should be thoroughly
failure of the product. Product should be thoroughly
failure of the product. Product should be thoroughly
tested to ensure proper operation before the valve
tested to ensure proper operation before the valve
tested to ensure proper operation before the valve
tested to ensure proper operation before the valve
tested to ensure proper operation before the valve
is put into service.
is put into service.
is put into service.
is put into service.
is put into service.