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Page Title:
APPENDIX B -- CHECKING CLUTCH AND RETARDER PRESSURES |
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 W T E CWI IECEII E LECTO NNCC CONTROLS S RT R OLESL E S HINO T I ANUALA N U A L
T I I L EC T R RO I I C O N T R O L T OUB U B HOOT O G MN G M
APPENDIX B -- CHECKING CLUTCH AND RETARDER PRESSURES
D.
Retarder Pressure Checks -- MD/B 300/B 400 And HD/B 500
1. MD 3060/3066, B 300, B 400 Test Conditions:
Second Range Lockup, 100 Percent Retarder Apply, Input Speed = 10751125 rpm
2. MD 3560 Test Conditions:
Second Range Lockup, 100 Percent Retarder Apply, Input Speed = 13501400 rpm
Table B3. Retarder Specifications At Above Test Conditions
Parameter To Check
High Capacity
Medium Capacity
Low Capacity
12001260
12001260
12001260
Main PressurekPa [psi]
[174183]
[174183]
[174183]
250370
215280
140240
Retarder Charge PressurekPa [psi]
[3654]
[3141]
[2035]
250340
210300
140255
Cooler In PressurekPa [psi]
[3649]
[3044]
[2037]
Cooler In TemperatureC [F]
150 [300] Max (Ref)
150 [300] Max (Ref)
150 [300] Max (Ref)
3. HD 4060/4070/B 500 Test Conditions:
Second Range Lockup, 100 Percent Retarder Apply, Input Speed = 800850 rpm
4. HD 4560 Test Conditions:
Second Range Lockup, 100 Percent Retarder Apply, Input Speed = 9651015 rpm
Table B4. Retarder Specifications At Above Test Conditions
Parameter To Check
High Capacity
Medium Capacity
Low Capacity
11201270
11201270
11201270
Main PressurekPa [psi]
[162184]
[162184]
[162184]
375480
345450
325420
Retarder Charge PressurekPa [psi]
[5470]
[5065]
[4761]
360530
310510
290480
Cooler In PressurekPa [psi]
[5277]
[4574]
[4270]
Cooler In TemperatureC [F]
150 [300] Max (Ref)
150 [300] Max (Ref)
150 [300] Max (Ref)
0021 00133
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