1278778 EQUALIZER BAR AS Caterpillar parts
D8N, D8R
Rating:
Alternative (cross code) number:
CA1278778
127-8778
1278778
CA1278778
127-8778
1278778
Weight: 549 pounds 249 kg.
TRACK-TYPE TRACTOR,
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$3,453.90
25 Nov 2023
US: Florida-Parts-Z
1409698 - BAR Group-Equalizer 2226926 7T1854 1278778 7t1854 10r9155 7T1854E for
FIRST PRICE PARTS
FIRST PRICE PARTS
$3,453.90
01 Jun 2022
US: Florida-Parts-Z
1409698 - BAR Group-Equalizer 2226926 7T1854 1278778 7t1854 10r9155 7T1854E for
FIRST PRICE PARTS
FIRST PRICE PARTS
Number on catalog scheme:
1
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Information:
Removal Procedure
Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for installation purposes. Plug all lines, all hoses and all tubes. This helps to prevent fluid loss and this helps to keep contaminants from entering the system.
Cylinders equipped with lock valves can remain pressurized for very long periods of time, even with the hoses removed.Failure to relieve pressure before removing a lock valve or disassembling a cylinder can result in personal injury or death.Ensure all pressure is relieved before removing a lock valve or disassembling a cylinder.
Illustration 1 g01302464
Remove bolts (1) and cap (2). Remove any shims that may be present.
Illustration 2 g01302472
Illustration 3 g01302469
Attach a suitable lifting device to lift cylinder (3). The weight of lift cylinder (3) is approximately 120 kg (265 lb).
Disconnect hose assemblies (4) and (6). Remove bolts (5) and caps (7). Remove lift cylinder (3) .Disassembly and Assembly Information
Cylinders equipped with lock valves can remain pressurized for very long periods of time, even with the hoses removed.Failure to relieve pressure before removing a lock valve or disassembling a cylinder can result in personal injury or death.Ensure all pressure is relieved before removing a lock valve or disassembling a cylinder.
Cylinders That Use a Nut to Secure Piston
Illustration 4 g01295032
(1) Lubricate the seals with the lubricant that is being sealed. (2) Torque for the nut 640 50 N m (472 37 lb ft) (3) Torque for the bolt 460 60 N m (340 44 lb ft)Cylinders That Use a Bolt to Secure Piston
Illustration 5 g01295034
(1) Lubricate the seals with the lubricant that is being sealed. (2) Apply sealant to the groove of wiper seal prior to assembly. (3) Torque for the bolt 1695 170 N m (1250 125 lb ft)The torque for crown (4) should be between 475 N m (350 lb ft) and 745 N m (550 lb ft).Installation Procedure
Illustration 6 g01302472
Illustration 7 g01302469
Attach a suitable lifting device to lift cylinder (3). The weight of lift cylinder (3) is approximately 120 kg (265 lb).
Install lift cylinder (3). Install caps (7) and bolts (5). Connect hose assemblies (4) and (6).
Illustration 8 g01302464
Position the rod of the lift cylinder. Install any shims that may be present. Install cap (2) and bolts (1) .
Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for installation purposes. Plug all lines, all hoses and all tubes. This helps to prevent fluid loss and this helps to keep contaminants from entering the system.
Cylinders equipped with lock valves can remain pressurized for very long periods of time, even with the hoses removed.Failure to relieve pressure before removing a lock valve or disassembling a cylinder can result in personal injury or death.Ensure all pressure is relieved before removing a lock valve or disassembling a cylinder.
Illustration 1 g01302464
Remove bolts (1) and cap (2). Remove any shims that may be present.
Illustration 2 g01302472
Illustration 3 g01302469
Attach a suitable lifting device to lift cylinder (3). The weight of lift cylinder (3) is approximately 120 kg (265 lb).
Disconnect hose assemblies (4) and (6). Remove bolts (5) and caps (7). Remove lift cylinder (3) .Disassembly and Assembly Information
Cylinders equipped with lock valves can remain pressurized for very long periods of time, even with the hoses removed.Failure to relieve pressure before removing a lock valve or disassembling a cylinder can result in personal injury or death.Ensure all pressure is relieved before removing a lock valve or disassembling a cylinder.
Cylinders That Use a Nut to Secure Piston
Illustration 4 g01295032
(1) Lubricate the seals with the lubricant that is being sealed. (2) Torque for the nut 640 50 N m (472 37 lb ft) (3) Torque for the bolt 460 60 N m (340 44 lb ft)Cylinders That Use a Bolt to Secure Piston
Illustration 5 g01295034
(1) Lubricate the seals with the lubricant that is being sealed. (2) Apply sealant to the groove of wiper seal prior to assembly. (3) Torque for the bolt 1695 170 N m (1250 125 lb ft)The torque for crown (4) should be between 475 N m (350 lb ft) and 745 N m (550 lb ft).Installation Procedure
Illustration 6 g01302472
Illustration 7 g01302469
Attach a suitable lifting device to lift cylinder (3). The weight of lift cylinder (3) is approximately 120 kg (265 lb).
Install lift cylinder (3). Install caps (7) and bolts (5). Connect hose assemblies (4) and (6).
Illustration 8 g01302464
Position the rod of the lift cylinder. Install any shims that may be present. Install cap (2) and bolts (1) .
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