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BobCat 753

BobCat 753 – HYDROSTATIC MOTOR – Removal And Installation

Posted on March 6, 2022

Raise the lift arms and install an approved lift arm support device. (See Installing Lift Arm Support Device on Page 10-20-1.) Lift and block the…

BobCat 753

BobCat 753 – HYDROSTATIC SYSTEM INFORMATION – Replenishing Valve Function

Posted on March 6, 2022

The functions of the replenishing valves are: 1. To give replacement fluid to the low pressure side of the hydrostatic circuit. Replacement fluid is needed…

BobCat 753

BobCat 753 – FRONT AUXILIARY HYDRAULIC COUPLER BLOCK – Disassembly And Assembly

Posted on March 6, 2022

Remove the male coupler (Item 1) [Figure 20-121-2] & [Figure 20-121-3]. Installation: Tighten the male coupler (Item 1) [Figure 20-121-2] & [Figure 20-121-3] to 59…

BobCat 753

BobCat 753 – FRONT AUXILIARY HYDRAULIC COUPLER BLOCK – Removal and Installation (S/N 515842310 & Above)

Posted on March 6, 2022

Disconnect the auxiliary tubelines (Item 1) and drain tubeline (Item 2) [Figure 20-121-1] from the coupler block. Remove the two mounting bolts (Item 3) [Figure…

BobCat 753

BobCat 753 – FRONT AUXILIARY PRESSURE RELIEF BLOCK – Solenoid Inspection

Posted on March 6, 2022

Inspect cartridges, check valves, solenoid valves and sealing washers for contamination or damage. Wash all parts in clean solvent. Use air pressure for drying them.…

BobCat 753

BobCat 753 – FRONT AUXILIARY PRESSURE RELIEF BLOCK – Solenoid Testing

Posted on March 6, 2022

Use a test meter to measure coil resistance [Figure 20-120-9]. Coil wires do not have polarity. Correct resistance is 11 ยฑ 1 ohms. Replace the…

BobCat 753

BobCat 753 – FRONT AUXILIARY PRESSURE RELIEF BLOCK – Disassembly And Assembly (S/N 515842309 and Below)

Posted on March 6, 2022

Loosen the electrical brake solenoid nut (Item 1) [Figure 20-120-4]. Assembly: Tighten the solenoid nut to 15-45 in.-lbs. (1,7-5,1 Nm) torque. Remove the solenoid nut…

BobCat 753

BobCat 753 – FRONT AUXILIARY PRESSURE RELIEF BLOCK – Removal And Installation (S/N 515842309 and Below)

Posted on March 6, 2022

Raise the lift arms and install an approved lift arm support device. (See Installing Lift Arm Support Device on Page 10-20-1.) Raise the operator cab.…

BobCat 753

BobCat 753 – POWER BOB-TACH BLOCK – Disassembly And Assembly

Posted on March 6, 2022

Clean the block (Item 1) [Figure 20-110-6] to remove dirt before disassembly. Block ports are labeled for correct assembly. Remove the plug (Item 2) [Figure…

BobCat 753

BobCat 753 – POWER BOB-TACH BLOCK – Removal And Installation

Posted on March 6, 2022

Lift and block the loader. (See LIFTING AND BLOCKING THE LOADER on Page 10-10-1.) Raise the lift arms and install an approved lift arm support…

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