Becker VRP-B-CH Series Valve Regulator Pilot Instruction Manual | 28
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175/600-CH Seal Neck Assembly
Slide – 141 O-ring (A) over the cartridge cap (B). Slide –115 O-Ring
(C) over the seal neck (D). Thread the seal neck (D) into the car-
tridge cap (B).
Figure 18: Inserting the seal neck
175/600-CH Cap Assembly
Pull the adjusting screw (E) up while threading the cartridge cap (B)
counter-clockwise. After the cap (B) is engaged, turn the adjust-
ing screw (E) clockwise while pushing the cap (B) down. When firm
engagement of the cap (B) is felt, orient the cap (B) so that the
mounting holes are in line with the top body assembly (F) pressure
ports. Bolt the cap (B) to the spring chamber (G) using six (6) 1/4-20
x 3/4-inch HHCS (H).
Figure 19: Bolting the cap to the spring chamber
Figure 20: Finalizing the assembly
175/600-CH Thread Seal Assembly
Place the 7/16-inch SS thread seal (I) and the 7/16-inch SS flat
washer (J) onto the adjusting screw (E). After all necessary adjust-
ments on the pilot are made, thread the 7/16-inch SS jam nut (K)
onto the adjusting screw (E). Be careful because overtightening the
jam nut (K) may cause damage to the adjusting screw (E).
I
175/600-CH Cap Assembly
