Hydraulics - Seafish

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Hydraulics in Fishing Vessels Seafish Open Learning
Hydraulics in Fishing Vessels An Open Learning Module for the Seafish Open Learning Project. This work was produced under an Open Tech contract with the Manpower Services Commission. The views expressed are those of the author and do not necessarily reflect those oftheMSC or any Government Department © Crown copyright 1986 Published by per mission of the Controller Her Majesty's Stationery Office. ISBN 1 85280 013 5 Seafish Open Learning
Page 1: SEA FISH INDUSTRY AUTHORITY Hydraul
Page 5 and 6: SEGMENT FIVE - HYDRAULIC OILS AND F
Page 7 and 8: A Guide for Open Learners This will
Page 9 and 10: VII S.A.Q/S are shown by a box with
Page 11 and 12: IX • Time spent just reading a mo
Page 13: XIII Objectives After completing th
Page 17 and 18: Working cylinder V 7 3 •< ► Loa
Page 19 and 20: Write down a list of the main compo
Page 21 and 22: In this type the rotor shaft is off
Page 23 and 24: 8 Pressure Control Valves Positive
Page 25 and 26: 10 Relief valves are either pre-set
Page 27 and 28: 12 (A) From Pump (P) i a(B) Raise H
Page 29 and 30: 14 Out Out Globe valve Figure 17. S
Page 31 and 32: 16 (?) SAQ25 Explain how a relief v
Page 33 and 34: 18 The cylinders shown in Figures 2
Page 35 and 36: 20 Figure. 31. Figure 32. Port A Po
Page 37: 22 Which types of pumps can be used
Page 41 and 42: 24 Hydraulic Pressure The pressure
Page 43 and 44: 26 In order to help you to compare
Page 45 and 46: 28 ® SAQ18 Using Figure 35 on page
Page 47: 30 ® SAQ29 When a hydraulic motor
Page 51 and 52: 32 Rotor Inlet External Gear Pump F
Page 53 and 54:
34 The vanes are pushed out by cent
Page 55 and 56:
36 Piston Pumps All piston pumps de
Page 57 and 58:
38 Drive shaft flange Piston Yoke c
Page 59 and 60:
40 Eccentric Oil outlet Figure 49.
Page 63 and 64:
43 Segment Four — Hydraulic Syste
Page 65 and 66:
45 K4SS^^ LINES AND LINE FUNCTIONS
Page 67 and 68:
47 PUMP ONE-WAY VARIABLE OUTPUT PUM
Page 69 and 70:
49 • Pilot pressure means that oi
Page 71 and 72:
51 ® A reversible motor with a bra
Page 73 and 74:
53 (?) SAQ15 Using the information
Page 75 and 76:
55 First, identify each of the item
Page 77 and 78:
57 ® SAQ28 Using the diagram of Fi
Page 79:
59 SUMMARY You have now completed S
Page 83 and 84:
62 PROPERTIES OF HYDRAULIC OILS The
Page 85 and 86:
64 (2) SAQ20 How is the viscosity o
Page 87 and 88:
66 (?) SAQ26 Using Table 3 determin
Page 89 and 90:
68 Additives in Hydraulic Oils Many
Page 91 and 92:
70 CONTAMINATION Dirt and other for
Page 93 and 94:
72 • Metal wear particles • Pac
Page 95 and 96:
74 Full flow filters are all fitted
Page 99 and 100:
77 Segment Six — Maintenance and
Page 101 and 102:
79 Cleanliness has top priority.
Page 103 and 104:
81 Do not 'grip' a hot pipe. Try a
Page 105 and 106:
83 Faulty Seals Faulty Seals on pum
Page 107 and 108:
85 Excessive Noise Table 4 Seafish
Page 109 and 110:
87 Incorrect Flow Table 6 Seafish O
Page 111 and 112:
89 Faulty Operation Table 8 Seafish
Page 113 and 114:
93 So you can see that there are ma
Page 117 and 118:
95 Responses to the Self Assessment
Page 119 and 120:
97 SAQ 6 Did you show the change in
Page 121 and 122:
99 SAQ9 The various properties whic
Page 123 and 124:
101 SAQ15 SAQ16 A linear actuator p
Page 125 and 126:
103 SAQ20 (a) Viscosity increases a
Page 127 and 128:
105 SAQ26 SAE 20W/30 oil will have
Page 129 and 130:
Other modules in this series which
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Hydraulics - Seafish

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