How to Install Auxiliary Port Reliefs | Bobcat Loaders | Tutorial

Step-by-step process of how to properly install new auxiliary port reliefs on select Bobcat® loaders, such as the Bobcat A770 all-wheel steer loader, Bobcat S450-S850 skid-steer loaders and T450-T870 compact track loaders.

This guide explains the reliability and importance of port relief valves being installed on your Bobcat Loader(s) before using attachments. Follow along to see the correct installation, to keep your Bobcat Loader(s) operating at maximum performance, so you can worry less about maintenance and stay productive, to help you accomplish more.

*The port relief valve(s) are sold separately.

Visit the official Bobcat Shop for Genuine Bobcat Parts, supplies or new operation and maintenance manual at https://shop.bobcat.com

ITEMS NEEDED
Installing your Bobcat Loader(s) auxiliary relief port is a relatively simple job, but it’s helpful to gather an assortment of tools and supplies, including:

- A pair of nitrile disposable gloves
- Mechanic gloves
- Safety glasses
- Paper towels or shop rags
- Wrenches, socket sets and other various tools
- Port Relief Valve: https://shop.bobcat.com/port-relief-6...
- Port Relief Plug part: https://shop.bobcat.com/port-relief-p...
- Manuals: https://www.bobcat.com/na/en/parts-se...

*Please verify part compatibility for your Bobcat Loader model before purchasing parts by using the compatibility tool on the Bobcat Shop website. You can also visit or contact your Bobcat dealer for support.

View more Loader Service & Maintenance Videos: https://www.bobcat.com/na/en/parts-se...

VIDEO CHAPTERS
00:00 – Intro: Compatibility for Select Bobcat Loader Models
00:12 – Precaution Before Performing
00:15 – Auxiliary Port Relief Installation
00:23 – The Importance of Port Relief Valves
00:37 – Items Needed for Installation
00:50 – Begin by Parking on a Level Surface
00:53 – Stop Engine
00:57 – Properly Support the Loader
01:00 – Remove the Cab Mounting Hardware
01:07 – Raise the Cab – See Manual for Details
01:12 – Confirm Cab Launching Mechanism Is Secure
01:20 – Locate the Hydraulic Control Valve
01:27 – Location of the Auxiliary Port Relief
01:33 – Model Comparisons to Find the Port Relief
01:40 – How to Identify if a Port Relief Valve Is Already Installed
01:58 – Remove Plug if Necessary and Install Relief Valve
02:02 – How to Capture Excess Fluid
02:21 – Where to Locate and Remove the Plug
02:41 – Ensure the O-Ring Is Installed on Relief Valve
02:46 – Where to Lubricate the O-Ring With Clean Hydraulic Fluid
02:50 – Where to Install the Relief Valve
03:11 – Replace Opposite Side Plug With a Relief Valve – Later Models
03:22 – Steps When Complete With Installment
03:32 – Outro: Visit Bobcat.com

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Parts & Service: https://www.bobcat.com/na/en/parts-se...
Manuals: https://www.bobcat.com/na/en/parts-se...
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