Caterpillar TH220B, TH330B Telehandler Hydraulic System Systems Operation Testing And Adjusting 31200272

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Caterpillar TH220B, TH330B Telehandler Hydraulic System Systems Operation Testing And Adjusting 31200272

$20.00

Type Of Manual: Systems Operation Testing And Adjusting
Manual ID: 31200272
Number of Pages: 324
Size: 63.4MB
Format: PDF

Category: Caterpillar Operator Manual PDF

Model List:
- TH220B, TH330B Telehandler Hydraulic System

1. Systems Operation Section
2. Graphic Color Codes …………………………. 3
3. Introduction………………………………………. 4
4. General Information…………………………… 5
5. Main Control Valve Group (Implement)5
6. Electronic Pilot Valve Group
7. (Implement) ………………………………….. 6
8. Machine ECM……………………………….. 7
9. Electronic Joystick…………………………. 8
10. Operator Switches…………………………. 9
11. Piston Pump (Implement and Steering)9
12. Hydraulic Oil Tank…………………………. 9
13. Hydraulic Oil Filter…………………………. 9
14. System Operation………………………… 10
15. Load Independent Flow Division
16. (LIFD) ………………………………………… 11
17. Location of Electrical Components…. 11
18. Switch (Lockout Control) ………………. 11
19. Joystick Control…………………………… 11
20. Sensor (Boom Raise/Lower) …………. 12
21. Sensor For Boom Extend And Boom
22. Retract Or Boom Tilt Forward And
23. Rackback……………………………………. 12
24. Switch (Continuous Auxiliary Flow)… 12
25. Switch For Boom Extend and Boom
26. Retract Or Boom Tilt Forward And
27. Rackback……………………………………. 12
28. Switch (Auxiliary Actuator in the +
29. Direction)……………………………………. 12
30. Switch (Auxiliary Actuator in the –
31. Direction)……………………………………. 12
32. Switch (Auxiliary Services 1 or 2)…… 12
33. Switch (Quick Coupler)…………………. 13
34. Switch (Frame Level) …………………… 13
35. Switch (Fully Lowered Boom)………… 13
36. Switch (Critical Angle) ………………….. 14
37. Switch (Fully Retracted Boom)………. 14
38. Switch (Reversing Fan (If Equipped)) 14
39. Machine (ECM) …………………………… 14
40. Main Control Valve (Implement)…….. 15
41. Solenoids (Frame Level) ………………. 15
42. Solenoid (Diverter Valve) ……………… 15
43. Relay (Frame Level)…………………….. 16
44. Relays (Diverter Valve) ………………… 16
45. Relays (Quick Coupler) ………………… 16
46. Location of Hydraulic Components…….. 17
47. Hydraulic Tank ……………………………. 17
48. Piston Pump (Implement and
49. Steering)…………………………………….. 17
50. Compensator Valve ………………………18
51. Main Control Valve Group
52. (Implement)………………………………….18
53. Inlet Manifold ……………………………….18
54. Outlet Manifold……………………………..19
55. Trailer and Towing Hitch Hydraulic
56. System (Option)……………………………19
57. Boom Cylinder ……………………………..20
58. Load Control Valve (Boom Cylinder
59. Lock)…………………………………………..21
60. Telescoping Cylinder …………………….21
61. Load Control Valve (Telescoping
62. Cylinder Lock)………………………………21
63. Tilt Cylinder………………………………….21
64. Lock for Load Control Valve (Tilt
65. Cylinder) ……………………………………..22
66. Compensating Cylinder …………………22
67. Load Control Valve (Compensating
68. Cylinder Lock)………………………………22
69. Frame Leveling Cylinder………………..22
70. Lock Valve (Frame Leveling Cylinder)23
71. Diverter Valve ………………………………23
72. Quick Coupler Cylinder………………….23
73. Electrical Input Components ………………24
74. Switches ……………………………………..25
75. Joystick Control ……………………………25
76. Auxiliary Switches…………………………25
77. Thumb Slider ……………………………….25
78. Boom Critical Angle Switch…………….25
79. Frame Leveling Switch ………………….25
80. Boom Retracted Switch …………………25
81. Quick Coupler Switch ……………………26
82. Continuous Flow Switch ………………..26
83. Implement Lockout Switch……………..26
84. Boom Lowered Switch…………………..26
85. Electronic Control Module………………….27
86. Inputs………………………………………….27
87. Outputs ……………………………………….27
88. Data Links……………………………………27
89. Input/Output…………………………………27
90. Electrical Output Components ……………29
91. Relays…………………………………………30
92. Solenoids…………………………………….30
93. Electrical Function Requirements ……….31
94. Transmission Neutralizer……………….31
95. Solenoid Outputs ………………………….31
96. System Voltage…………………………….31
97. Shuttle Shift for the Power Shuttle
98. Transmission ……………………………….31
99. Shift Lever (Cat Data Link) for
100. Powersynchro Transmission…………..31
101. Rear Axle Lock (if equipped)…………..31
102. Machine Security System ………………31
103. Parking Brake ………………………………31
104. Service Brake Pressure Switch for the
105. Transmission Neutralizer ……………….31
106. More Electrical Function
107. Requirements……………………………….31
108. Steering……………………………………….32
109. The Neutral Start Is Disabled………….32
110. Stabilizer Raise/Lower (if equipped) is
111. Disabled ………………………………………32
112. Boom Raise/Lower Is Disabled……….33
113. The Boom Extend/Retract Is Disabled33
114. Disable The Rackback And Dump …..33
115. The Frame Level (if equipped) is
116. Disabled ………………………………………33
117. Disable the Quick Coupler ……………..34
118. Miscellaneous ………………………………34
119. Electrical Schematic………………………….35
120. Programmable Hydraulic System
121. (PHS) ………………………………………….36
122. Piston Pump (Implement and Steering) .37
123. Piston Pump…………………………………37
124. Compensator Valve ………………………38
125. Low Pressure Standby…………………..39
126. Upstroke………………………………………40
127. Constant Flow ………………………………41
128. Destroke………………………………………42
129. High Pressure Stall ……………………….44
130. Main Control Valve (Implement) ……..45
131. Manifold Valve (Inlet) …………………….47
132. Check and Relief Valves ……………………49
133. Manifold Valve (Outlet)………………………49
134. Pilot Hydraulic System ………………………51
135. Telescoping System ………………………….53
136. Valve for the Telescoping Cylinder in the
137. HOLD Position ……………………………..53
138. Valve for the Telescoping Cylinder in the
139. EXTEND Position………………………….55
140. Valve for the Telescoping Cylinder in the
141. RETRACT Position ……………………….57
142. Hydraulic Fan System ……………………….58
143. Reversing Fan (If Equipped) …………..58
144. Auxiliary Hydraulic System…………………60
145. Auxiliary Control (Combined Circuit)..61
146. Auxiliary Circuit 1 ………………………….63
147. Auxiliary Circuit 2 ………………………….64
148. Continuous Flow (Auxiliary
149. Hydraulics)………………………………….. 65
150. Quick Coupler……………………………… 65
151. Quick Coupler Circuit DISENGAGED 66
152. Quick Coupler Pins ENGAGED……… 67
153. Relief Valves and Makeup Valves….. 67
154. Compensating System……………………… 68
155. Trailer and Towing Hitch Hydraulic
156. System…………………………………………… 72
157. Introduction…………………………………. 72
158. Towing Hitch Cylinder LOWER ……… 74
159. Towing Hitch Cylinder RAISE………… 76
160. Trailer DUMP………………………………. 79
161. Trailer LOWER ……………………………. 81
162. Service Brakes ENGAGED …………… 84
163. Hydraulic System Schematic …………….. 85
164. Configuration Parameters…………………. 88
165. Testing and Adjusting Section
166. Testing and Adjusting ………………………. 89
167. Joystick Control – Calibrate……………. 89
168. Main Control Valve (Implement) –
169. Calibrate ………………………………………. 109
170. Programmable Hydraulic System (PHS)
171. Valve Calibrations………………………. 109
172. Manual Adjustment After Calibrating The
173. Valves………………………………………. 118
174. Hydraulic System Pressure -Release .. 118
175. Relieving Pressure in the Hydraulic
176. System …………………………………….. 119
177. Location of the Load Control Valve
178. (Lock) ………………………………………. 119
179. Relieving Pressure from the Load
180. Control Valves (Lock) …………………. 120
181. Hydraulic System Pressures -Test and
182. Adjust…………………………………………… 123
183. Test and Adjustment Procedures …. 123
184. Pilot Pressure (Pressure Reducing Valve) –
185. Test and Adjust……………………………… 123
186. Pilot Pressure Test …………………….. 123
187. Pressure Reducing Valve
188. Adjustment ……………………………….. 125
189. Relief Valve (Implement) – Test and
190. Adjust…………………………………………… 125
191. Auxiliary Pressure Test (Port A and
192. Port B) ……………………………………… 125
193. Auxiliary Relief Valve Adjustments.. 127
194. Hydraulic Oil Contamination -Test ……. 127
195. Hydraulic Oil Contamination………… 127
196. Flushing the Sampling Valve……….. 127
197. Obtaining the Sample…………………. 128
198. General Information Table ………………. 129

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