Installation - YUKEN KOGYO ELDFG-01EH 10 Series Instruction Manual

3.5 Installation

Upon valve installation, check the port locations with reference to the installation drawing. Be
careful to install the valve in the correct direction for the proper operation of equipment. When
mounting the valve, use four hexagon socket head cap bolts supplied with the product.
Tighten the bolts gradually and evenly in the order shown by the numbers 1 to 4 below and
repeat this cycle two to three times. Refer to the recommended tightening torque listed below.
Valve Model Number
ELDFG-01EH
ELDFG-03EH
WARNING
CAUTION
1 3
4 2
Bolt Tightening
Mounting Bolt
M5 × 45L
M6 × 35L
For valve installation, use the specified number of bolts and apply
the specified tightening torque.
damage to the bolts or outflow of hydraulic fluid, resulting in a
major accident.
(1) Install the valve in the correct direction. Failure to do so
may interfere with the normal operation of equipment,
resulting in a major accident.
(2) Handle the valve carefully, since it is a precision device.
(3) Do not install the valve with any foreign matter left between
the valve and the mounting surface or with the O-rings
mounted improperly. Doing so may cause damage to the
O-rings or outflow of hydraulic fluid, resulting in injury or fire.
Tighten the bolts diagonally in the
order of 1 → 2 → 3 → 4 → 1.
Tightening Torque
6 - 8 Nm
13 - 16 Nm
Failure to do so may cause
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EM-1359