Graco 312068M important safety instructions Pumpline Disassembly, Pumpline Reassembly

Repair

Pumpline Disassembly

1.Remove plug fitting (206) from lube cylinder (205).

2.Insert clevis pin removal tool 296607 through open- ing in lube cylinder (205) and screw tool into left clevis pin (219). Pull clevis pin out of clevis (117).

3.Use hex key to remove four socket head cap screws (203) from left proportioning pump (202). Remove left proportioning pump.

4.Remove lube cylinder (205).

5.Screw pin removal tool 296607 into right clevis pin (219). Pull clevis pin out of clevis (117).

6.Use hex key to remove four socket head cap screws (203) on right proportioning pump (202). Remove right proportioning pump.

203

202

219

201

219

207

204

205

206

204

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203

Pumpline Reassembly

1.Slide the hydraulic piston (104) in the hydraulic cylinder (201) out to its left-most position. The left end of the left clevis (117) should be nearly in line with the left end of the spacers (113). See the fol- lowing image.

2.Place hydraulic cylinder (201) on flat surface with both the manifold (125) and the port blocks (116) contacting the surface. The two main ports in the manifold should be facing up. See the following image.

125

113

116

116

104

117

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3.Install elbow fittings (207, 208) into lube cylinder (206) and install lube cylinder over left clevis (117). Ensure clevis pin hole in lube cylinder is vertical, in line with the hole in the left clevis.

4.Place left proportioning pump (202) on flat surface with the wide end of the outlet flange (26) facing down.

5.Use clevis pin removal tool 296607 to slide the pro- portioning pump piston rod (28) out to its limit. Ensure the hole in the proportioning pump shaft is vertical, in line with the hole in the left clevis and lube cylinder.

206

35

2628

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4 312068M