DANIEL 700 User Manual page 42

MODEL 700 CONTROL VALVE
User manual
P/N 3-9008-553
9.3.2 Cylinder disassembly NPS 16 valve only
Important
The 16-in valve does NOT disassemble as a complete assembly. The first step is to remove
the cylinder head from the valve body.
Prerequisites
The construction of the NPS 16 valve cylinder assembly is different from all other valve
cylinder assemblies and requires different procedures. The following tools are needed to
disassemble and reassemble the control valve.
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User manual
42
www.Daniel.com
Figure 9-1: Using the piston to remove the seat ring from the 150/300 lb
cylinder
1. Cylinder
3. Seat ring
4. Piston
9. Turn the cylinder over with the ports on top when removing the high pressure seat
ring. Remove the set screw from the seat ring. Turn the seat ring counterclockwise
to remove the seat ring and then remove the O-ring from the cylinder.
Socket wrench
Adjustable wrench
Extended allen wrench set
Mallet and cold chisel
Appropriate lifting gear and sling
(2) all thread rods, ¾-in no. 10x18-in to 24-in long
(2) ¾" no. 10x2-in bolts with ¾-in flatwashers
Hand pump
Planned maintenance
November 2020
51