Replacement of Intake Seat

TOOLS REQUIRED -1/4" Allen wrench -1/2" Open end wrench (2) -4-45-3 (accessory item) -Torque wrench

Removal

Remove the eight bolts securing

the

material

head (ref# 21) to the hydraulic head

(ref# 59).

Remove

the

material head

c u s h i o n

(ref# 22) and replace with the new

1-5/16 Inches

c u s h i o n

provided.

Place a container under pump to

catch hydraulic

oil.

Gently

pull

hydrapulse

membrane

separate it from the hydraulic head.

Remove the nut (ref# 58) on the

h y d r a p u l s e

membrane stem in order to separate

the

hydrapulse

membrane

from the hydraulic

plastic

horn

(ref# 55), hydrapulse membrane spring (ref# 56), and spring

locator (ref# 57).

6.Clean all parts.

Assembly

1.Place hydraulic plastic horn over the new hydrapulse membrane.

2.Position the spring in the bore of the plastic horn.

3.Install the spring locator over the hydrapulse membrane stem and into the spring. Thread the new jam nut onto the stem.

4.Tighten the jam nut until a measurement of 1-5/16” is obtained. The measurement is taken from the top of the hydraulic horn (ref# 55) to the top of the spring locator ( ref# 57). See diagram above.

5.Check the assembly. The spring must be positioned in the bore of the plastic horn on one end and over the shoulder of the spring locator on the other end.

6.Place the hydrapulse membrane assembly back into the hydraulic head.

7.Re-install the material head with the eight bolts. Torque to 30 ft. lbs.

8.Refill hydraulic oil tank and "PURGE" system following instructions on page 18.

9.Prime the pump with solvent or water and bring the pump up to full pressure (approximately 2500 psi.). Run the pump on standby ( not triggering gun ) for about 20 minutes, to “break-in” new membrane.

I.C.T.C. Holdings Corporation 1150GSD operating instructions Replacement of Intake Seat, Removal

Removal

Assembly

(REF # 13)

H.E.R.O. INDUSTRIES