AND CHECK VALVE (CV4) REPLACEMENT (Sheet 1 of 4)
Install at ion
TOOLS: 1-1/8 in. open end wrench
12 in. adjustable wrench
15 in. adjustable wrench
1-3/8 in. open end wrench
1-1/4 in. open end wrench
Caps and plugs (assorted sizes)
Holding nipple (A) with 1-1/8 inch wrench, use 1-1/4 inch wrench to disconnect hose
assembly "CH" (B) from nipple (A).
Holding elbow (C) with 15 inch adjustable wrench, use 1 -1/4 inch wrench to remove hose
assembly "CK 1" (D) from elbow (C).
Using 1-1/8 inch wrench, remove nipple (E) and attached parts as an assembly from relief
valve " RV4° (G).
Holding check valve "CV4" (F) with 1-3/8 inch wrench, use 15 inch adjustable wrench to
remove relief valve "RV4" (G) from check valve "CV4" (F).
Using 1-1/8 inch wrench, remove nipple (H) and its attached parts as an assembly from
tongue cylinder (J).
Go on to Sheet 2