BLU-JET AT6020, Assembly And Operators Manual

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AT6020
Tie-rod Cylinder Disassembly - Assembly Procedure
With cylinder removed from machine, clean, drained of oil and fully retracted, proceed as follows:
Disassembly:
1. Secure cylinder in vice or other method to prevent rotation. With the immediate area clean of
dirt so parts can be laid out.
2. Remove tie-rod nuts, item (1).
3. Pull rod assembly from cylinder. Remove tube, item (3).
4. Loosen nut item (4), and remove clevis, item (5), from rod assembly.
5. Place rod assembly in vice with copper or brass jaws so as not to damage.
6. Remove all seals from items (6), (8), and (9) for replacement. Clean and inspect all parts, for damage
(nicks, scratches, cracks and etc.) replace as necessary. If you have any question please contact
Prince Hydraulics (712) 235-1220.
Reassembly:
1. Replace all seals in items (6), (8), and (9). Do not replace small O-ring on ID of piston, item (8), until
ready to attach rod, item (2).
2. Place small ID O-ring seal for piston over rod turndown and apply light coat of grease to seal.
Slip piston, item (8), onto turndown with ID counter bore towards rod shoulder. Take care not to
pinch O-ring between piston and rod shoulder. Replace nut, item (7), and secure.
3. Apply light coat of grease to seals in gland, item (6), and slip gland over rod end, carefully so as
not to damage seals. Slip entire assembly into lightly oiled tube, item (3), piston first. Insure tube
slips up over OD seals of gland.
4. Take total assembly in step 3 and slip tube over OD seal on butt, item (9). Align ports in butt and
gland and apply nuts, item (1), to tie-rods and toque uniformly.
Tierod
3/8” tierods 20-23 ft./lbs. (27-31 Nm)
1/2” tierods 45-52 ft./lbs. (61-70 Nm)
5/8” tierods 95-105 ft./lbs. (129-142 Nm)
3/4” tierods 150-165 ft./lbs (203-224 Nm)
5. Test for leaks and reinstall in machine. If you have any problems contact Prince Hydraulics
(712) 235-1220.
6. The hydraulic system MUST have the air removed from the system after initial machine
set-up or following the repair or replacement of any part of the system.
7. Connect implement to the tractor drawbar correctly before operating or making any
adjustments.
1
9
8 3 2
6 5
4
7
WARNING: Make sure you perform the required service and adjustments
correctly. Failure will damage machine or injure operator.
WARNING