CUMMINS N14 Specifiche Scaricare il pdf (Pagina 283)

Valve Crosshead - Cleaning and

Checking for Reuse (02-12)

Cleaning

Use solvent to clean the crosshead. Dry with compressed

air.

Inspection

Visually inspect the rocker lever contact pad for wear,

cracks, or damage.

Visually inspect the valve stem contact areas for damage.

Measure both valve stem pocket depths from the valve

stem pocket to the rocker pad face (1).

Stem Pocket to Pad Face

mm in

11.53 MIN 0.454

12.55 MAX 0.494

On a given crosshead, the stem pocket to pad bore di-

mension (1) on one end must fall to within 0.020 inch of

the dimension (2) on the opposite end.

In a cylinder head assembly, the crosshead to valve spring

retainer must be a minimum of 0.020 inch.

NOTE: If damaged parts are found or if the stem bore or

pocket depth are not within the limits specified, the parts

must be replaced. If cracks are suspected, refer to Valve

Crosshead - Magnetic Crack Inspection (02-13).

Cylinder Head Valve Crosshead - Cleaning and Checking for Reuse (02-12)

N14 Page 2-41

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Seagate Ultra 320 Manuale Utente (186 pagine)

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Indice

Parallel SCSI Interface

Revision status summary sheet

Table of Contents

List of Figures

1.0 Interface requirements

standards

1.4 Summary of SCSI messages

2.0 SCSI bus

2.1 SCSI bus signals overview

2.2 Signal states

2.3 OR-tied signals

2.4 Signal sources

2.5 SCSI bus timing

0 0.5 0 0.2

induced time asymmetry

due to resis

2.6 Measurement points

2.9 Data transfer modes

2.12 Negotiation

PPR, SDTR Less than or equal

2.12.4 Transfer agreements

Table 13: Transfer agreements

bit shall be set to zero

Transfer

3.0 Logical characteristics

3.2 SELECTION phase

3.3 RESELECTION phase

3.4 SCSI bus fairness

3.6 COMMAND phase

3.7 DATA phase

3.8 STATUS phase

3.9 MESSAGE phase

3.11 SCSI bus phase sequences

3.12 Data bus protection

4.2 Message formats

4.3 Message categories

7 6 5 4 3 2 1 0

101

0 IDENTIFY DISCPRIV LUN

101

Target’s Parallel Protocol

109

4.4 Task attribute messages

116

4.5 Task management messages

119

5.1 Attention condition

121

5.2 Bus reset condition

122

5.3 Hard reset

122

5.4 Reset events

123

6.0 SPI information units

127

[3] See Figure 16

129

[4] See Figure 18

129

[3] See Figure 18

130

6.2 SPI information units

132

field shall be reserved

135

field is not zero

135

129

143

7.0 SCSI commands

145

See notes following Table 61

148

7.3 Status

152

7.4 Command examples

154

7.5 Timing examples

156

7.8 Parameter rounding

163

8.0 Drive features

165

Command, Message, and Status

168

(Bits 14

171

Seagate Technology LLC

186

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CUMMINS N14 Specifiche Pagina 283

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