Service

10.Place the ball (18) on the fluid piston (19c).

11.Apply thread sealant to the threads of the fluid piston (19), screw the fluid piston onto the piston rod (10), and torque to 23 ft-lb (31.2 NSm).

12.Install the air motor rod assembly by inserting it up through the base from the bottom.

13.Install the spring (8) and the washer (7) on top of the piston rod (10).

14.Apply sealant to the threads of the piston rod (10). Carefully hand tighten the air piston assembly (15) onto the piston rod until it is secure. Do not tighten with tools.

15.Lubricate the outside of the air piston assem- bly (15). Install the spring (17) into the cap (2). Lubricate the gasket (6*), and install it in the cap. Install the cap on the cylinder (4).

16.Assemble the cylinder (4) onto the base (5). Screw the cylinder and base together hand tight.

17.Screw the intake valve housing (21) of the assembled intake valve assembly onto the fluid cylinder (24).

18.Heavily lubricate the top inside diameter of the fluid cylinder (24) and the outside threads. Careful- ly guide the fluid piston assembly into the fluid cylinder. Push the fluid cylinder up, and screw it into the pump base. Use a pipe wrench on the knurled part of the intake valve housing (21) to tighten the fluid cylinder and the intake valve.

2

 

17

 

15c*

 

 

 

 

 

 

6*

 

15d

 

 

4

 

15a*

 

 

 

 

 

 

 

 

15e

 

 

15

 

15b*

 

 

7

 

15f

 

 

 

 

 

 

8

 

 

 

 

 

 

15g Apply sealant to threads of screw,

 

10

 

and torque to 10 to 14 in-lb

 

 

(1.3 to 1.6 N-m).

 

 

air inlet

 

 

 

5

 

 

 

 

 

13

 

 

 

 

Piston Detail

 

NOTE: Use pliers and

 

 

pliers

15c*

wrench only for loosening

 

 

 

the piston assembly from

 

 

 

15a*

the piston rod. Do not use

 

 

 

them for tightening the

 

fluid outlet

 

 

piston assembly.

 

 

 

 

 

24

0.032 in.

15b*

 

 

 

(0.8 mm)

 

 

 

21

minimum

 

 

 

 

wrench

 

 

 

 

 

Fig. 3

intake valve

 

 

05943B

 

 

 

 

307906 11

Page 11
Image 11
Hitachi 222104 important safety instructions Piston Detail

222104 specifications

The Hitachi 222104 is a powerful and versatile piece of machinery widely recognized for its robust features and impressive technological capabilities. Tailored for industrial applications, this model exemplifies Hitachi's commitment to quality, efficiency, and durability.

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