Hitachi 231580 manual Pressure Transducer, Suction Hose

Pressure Transducer

WARNING

INJECTION HAZARD

To reduce the risk of serious injury, whenever you are instructed to relieve pressure, follow the Pressure Relief

Procedure on page 9.

NOTE: See Fig. 26 for this procedure.

1. Remove the displacement pump. See page 21.

29

2.	Use a pull±twist motion to remove the transducer
	(29) from the pump manifold (101).		101
3.	Clean paint residue from the hole in the manifold;
	do not scratch the surface of the hole.
4.	Lightly apply oil to the o-ring of the new transducer.
5.	Install the transducer in the pump manifold, while	Fig. 26	02817A
	guiding the o-ring and backup ring into place.

6.Align the holes in the transducer as shown by the arrows in Fig. 26.

7.Install the displacement pump. See page 21.

Suction Hose

WARNING

INJECTION HAZARD

To reduce the risk of serious injury, whenever you are instructed to relieve pressure, follow the Pressure Relief

Procedure on page 9.

1.Remove the drain hose (33) from the clip. Remove the front cover (13).

2.Pull upward on the hose (32) while unscrewing it from the inlet tube (38). The hose coupling (A) threads will engage and the hose will separate from the tube.

3.Replace the o±ring (27) if it is worn or damaged.

4.Lubricate the o±ring (27) and the inlet tube (38) threads with light grease.

5.Align the suction hose coupling with the threads of the inlet tube (38). Tighten the hose onto the tube at least 4 turns to ensure that the threads have disen- gaged and can function as a swivel joint.

CAUTION

Misalignment or cross-threading will damage the parts and/or create shavings which can cause the o±ring (27) to leak.

1Lubricate

Note: Filter not shown

13

	33
	36
	32
1	27

	A
	38
Fig. 27	06978

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