5.1.11. Removal, dismantling, check and assembly of the pump of the hydraulic booster of steering
Fig. 5.76. Pump of the hydraulic booster of steering
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Removal
Disconnect a delivery hose from the pump of the hydraulic booster.
Disconnect an inlet hose from a connecting flange on the pump of the hydraulic booster and merge working liquid in suitable capacity.
Weaken bolts of fastening of the pump of the hydraulic booster before removal of a belt of the drive of the pump.
Fig. 5.77. Bolt of adjustment of a tension of a belt of the drive of the pump
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Weaken a bolt of adjustment of a tension of a belt of the drive of the pump (fig. 5.77).
Fig. 5.78. Removal of a belt of the drive of the pump
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Take off a pump drive belt from a pulley of the pump of the hydraulic booster (fig. 5.78).
Completely turn off bolts of fastening of the pump of the hydraulic booster and a bolt of adjustment of a tension of a belt of the drive of the pump.
Remove the pump of the hydraulic booster of steering assembled.
Fig. 5.79. Removal of the pump
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Remove an arm of fastening of the pump of the hydraulic booster of steering.
Dismantling
Remove a connecting flange of an inlet hose and ring laying from the pump of the hydraulic booster.
Fig. 5.80. Bolts of fastening of a cover of the pump of the hydraulic booster
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Weaken four bolts of fastening and uncover the pump of the hydraulic booster (fig. 5.80).
Remove a cam washer.
Remove a rotor and blades.
Remove a side plate.
Fig. 5.81. Pump components
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Remove internal and external ring laying (fig. 5.81).
Fig. 5.82. Spring of a side plate
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Remove a spring of a side plate (fig. 5.82).
NOTE
At assembly of the pump establish new laying of a cover of the pump and new ring laying.
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Fig. 5.83. Otvorachivany nuts of fastening of a pulley of the pump
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Clamp a pump drive pulley in a vice, turn off a nut of fastening and remove a spring washer (fig. 5.83).
Remove a pulley from a pump drive shaft.
Fig. 5.84. Lock ring and expansion plug boot
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Remove a lock ring by means of a stripper of lock rings, then remove the expansion plug boot (fig. 5.84).
Fig. 5.85. Removal of a shaft of the drive of the pump
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Easy blows of the plastic hammer from a rotor beat out a shaft of the drive of the pump (fig. 5.85).
Fig. 5.86. Extraction of an epiploon from a pump housing of the hydraulic booster
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By means of the screw-driver take an epiploon from a pump housing of the hydraulic booster (fig. 5.86).
NOTE
At assembly of the pump always establish a new epiploon.
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Fig. 5.87. Union of a pump housing of the hydraulic booster
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Remove the union from a pump housing of the hydraulic booster, then take the valve of regulation of a consumption of liquid and a spring of the valve (fig. 5.87).
Remove ring laying from the union.
ATTENTION
Do not disassemble the valve of regulation of a consumption of liquid.
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Check
Check length of a spring of the valve of regulation of a consumption of liquid in a free state (without loading).
Valve spring length in a free state: 36,5 mm.
Check the valve of regulation of a consumption of liquid on lack of deformation (bend).
Check a pump drive shaft for lack of wear or damages.
Check a pump drive belt for lack of wear or deterioration in a state.
Check lack of "step" wear of blades and grooves of a rotor.
Check lack of "step" wear for the surfaces of contact of blades and a cam washer.
Check absence of damage on blades.
Check lack of paths of wear on a side plate or the contacting sites between shaft of the drive and a cover of the pump.
Assembly
Fig. 5.88. Components of the union of the pump of the hydraulic booster
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Establish a valve spring, the valve of regulation of a consumption of liquid and the union in a pump housing of the hydraulic booster (fig. 5.88).
Fig. 5.89. Installation of a new epiploon
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By means of the special tool establish a new epiploon in a pump housing of the hydraulic booster (fig. 5.89).
Fig. 5.90. Installation of a shaft of the drive of the pump
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Insert a pump drive shaft assembled into a pump housing of the hydraulic booster, then install the expansion plug boot and a lock ring (fig. 5.90).
Fig. 5.91. Installation of a pulley of the pump of the hydraulic booster
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Establish a pulley of the pump of the hydraulic booster (fig. 5.91).
Establish a spring and internal ring laying.
Fig. 5.92. Installation of the lower ring laying
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Insert external ring laying into a side plate, then establish a side plate in a pump housing of the hydraulic booster (fig. 5.92).
Fig. 5.93. Installation of a cam washer
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Establish lock pins in pump housing openings, then establish a cam washer, paying special attention to the right direction of installation (fig. 5.93).
Establish a rotor.
Fig. 5.94. Installation of the blade of a rotor of the pump
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Install blades so that their rounded end faces were outside (from a cam washer) (fig. 5.94).
Fig. 5.95. Cover of the pump of the hydraulic booster
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Establish laying and a cover of the pump assembled (fig. 5.95).
Establish ring laying and a connecting flange of an inlet hose.
Installation
Fig. 5.96. Installation of the pump of the hydraulic booster
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After installation of an arm and the pump put on a belt of the drive a pump pulley and adjust its tension. Tighten a bolt of adjustment of a tension the regulated moment (fig. 5.96).
Inhaling moment: 35–50 N · m.
Connect an inlet hose.
Delay fastening of a delivery hose on the pump of the hydraulic booster.
NOTE
At installation of a delivery hose be convinced that it is not overwound and there is no possibility of its contact with other details of the car.
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Fill a hydraulic system of the amplifier of steering with the recommended working PSF-3 liquid.
Remove air from a hydraulic system of the amplifier of steering.
Check pressure of the pump of the hydraulic booster of steering.