LT3-00032-2-A - DDKS Industries, hydraulic components distributor

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TROUBLESHOOTING TROUBLESHOOTING (continued) effect of trouble possible cause fault which needs remedy pressure shocks cogging load mechanical considerations worn relief valve needed repairs worn compen- needed repairs sator slow response in replace or relocate check valves servo pressure increase pressure and check pressure drop too low to through servo filter maintain firm control excessive de- improve decompression control compression energy rates excessive line reduce line size or lengths capacitance eliminate hose (line volume, line stretch, accumulator effects) barrel blow-off re-check pump hold-down, rotating group, drain pressure heating of fluid excessive pump re-check case drain flow and repair as required or motor leak- fluid too thin age improper assembly, port timing relief valve set too low(compared to load or to compensator) instability caused by back pressure, worn parts compensator set too high (compared to relief) worn parts pump too large for fluid needs heat exchanger reservoir select smaller pump displacement water turned off or too little flow water too hot fan clogged or restricted efficiency reduced by mud or scale deposits intermittent <strong>hydraulic</strong> fluid flow too little fluid entrained air in fluid improper baffles insulating air blanket that prevents heat rejection heat pickup from adjacent equipment 9
ASSEMBLY / DISASSEMBLY TOOLS T1 No longer used. T2 Barrel H.D. adjustment tool T2 Material - cold roll steel T3 Replenishing and servo pump removal tool T4 Shaft seal installation tool - rear adapter 10
Page 1 and 2: DENISON HYDRAULICS axial piston pum
Page 3 and 4: CONTENTS PAGE technical characteris
Page 5 and 6: SEAL KITS FLUID CONNECTIONS Refer t
Page 7 and 8: INSTALLATION RECOMMENDED FLUIDS VIS
Page 9: TROUBLE SHOOTING TROUBLESHOOTING Co
Page 13 and 14: UNIT DISASSEMBLY SERVO/REPLENISH PU
Page 15 and 16: UNIT DISASSEMBLY REWORK LIMITS OF W
Page 17 and 18: ASSEMBLY PROCEDURE CAM-CRADLE ASSEM
Page 19 and 20: ASSEMBLY PROCEDURE ROCKER CAM ASSEM
Page 21 and 22: ASSEMBLY PROCEDURE BARREL AND AUXIL
Page 23 and 24: ASSEMBLY PROCEDURE SEAL ASSEMBLY SE
Page 25 and 26: ASSEMBLY PROCEDURE CONTROL COVER AS
Page 27 and 28: ASSEMBLY PROCEDURE BARREL HOLDDOWN
Page 29 and 30: ASSEMBLY PROCEDURE PARTS LIST FOR F
Page 31 and 32: ASSEMBLY PROCEDURE shuttle valve ad
Page 33 and 34: ASSEMBLY PROCEDURE VALVE BLOCK ASSE
Page 39 and 40: TEST PROCEDURE BASIC PUMP TEST (con
Page 41 and 42: FLUID CONNECTION NOMENCLATURE (For
Page 43 and 44: CIRCUITS V K KG DG 8 VA VB 7 9 5 6
Page 45 and 46: INSTALLATION DRAWING B 9.75 (247,6)
Page 47 and 48: CODE NO 033-71907-A CODE NO 033-719
Page 49 and 50: 033-71907-A INSTALLATION DRAWING 8.
Page 51 and 52: INSTALLATION DRAWING 8.14 (206,7) N
Page 53 and 54: CODE NO 033-71907-A CODE NO 033-719
Page 55 and 56: INSTALLATION DRAWING MATING CONN.EC
Page 57 and 58: INSTALLATION DRAWING NOTES: 1. FOR
Page 59 and 60: INSTALLATION DRAWING 19˚ MAX. 19˚
Page 61 and 62:
INSTALLATION DRAWING NOTES: 1. FOR
Page 63 and 64:
Cup pumps Model number sheet Gold m
Page 65 and 66:
AVAILABLE CONTROL COMBINATIONS GOLD
Page 67:
Printed in U.S.A. 8- 03 HP Sales &
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LT3-00032-2-A - DDKS Industries, hydraulic components distributor

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