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A-Boom (JD6615 / 7615 Asy Instruction Manual) 07/03
© 2003 Alamo Group Inc.
Section 10 - 4
Optional Mower Head Installation
Attaching Ditcher Head:
WARNING Escaping fluid under pressure can penetrate the skin causing serious
injury. Relieve pressure before unhooking hydraulic or other lines. Tighten all connec-
tions before applying pressure. Keep hands and body away from pinholes and mozzles
which eject fluids under high pressure. Use a piece of cardboard to search for leaks. If
ANY fluid under pressure is injected into the skin, it must be surgically removed within a
few hours by a doctor familiar with this type injury or gangrene may result.
1. With a forklift or hoist, lower the Boom Weldment down in the Ditcher Head. Align the Boom
Weldment with the Ditcher Head Hitch Post together. Insert special pins p/n 02958929 into Boom
Weldment and Hitch Post. Attach with washer P/N 00749185 and roll pin P/N 00610600. NOTE:
Additional support may be needed at the end of the Boom to aid in installation. (See Figure 5).
2. Attach Hydraulic Hoses as illustrated (See Figure 69). Tighten all Hydraulic Fittings. Care
must be taken when tightening Hydraulic Fittings. Over tightening can cause the fittings to crack and
require replacement. Use recommended hose end torque values found in chart in operators
manual..
3. The motor for the Ditcher will operate in both directions. It is important to plumb the motor so
that it rotates to deposit the spoil properly. The direction of rotation can be observed by standing
behind the Ditcher Head, beside the right rear tire. If the Ditcher rotates 'clockwise' it is plumbed for
forward rotation and the spoil will be deposited away from the tractor. If the Ditcher is the reverse
design then the proper rotation is counter-clockwise when observed from the rear. Do Not try to
reverse Ditcher from Rotation it was designed for, it will not work. The Forward and reverse Rotation
Models do not use the same Blade Assembly.
4. Note: The two hoses (P/N 02961054) connecting the main boom to dipper arm are used to
connect the Ditcher motor. The 90 degree fittings attach to the fittings on the main boom and the
straight fittings attach to the 90 degree fittings on the hydraulic motor. See Figure 69 below.
See Note
Figure 5