1. Home
  2. Forums
  3. Maintenance & Troubleshooting
  4. quick main hydraulic releif valve adjustment or removal

Discussion:
quick main hydraulic releif valve adjustment or removal

We have a crown sc4500. Is there a quick or easy access to the main hydraulic relief valve to adjust or remove.
Haven't gotten into it yet but it looks like a major job.
  • Posted 12 Feb 2016 01:00
  • By HTL1
  • joined 9 Apr'14 - 36 messages
  • West Virginia, United States
Post a ReplyReport this post
Showing items 1 - 2 of 2 results.
Popeye:

We have been struck by bad weather which has prevented us from doing the job but I am relieved to know that crown hasn't completely gone off there rocker and left a little bit of room to work with.
Thanks for your help
  • Posted 16 Feb 2016 03:38
  • By HTL1
  • joined 9 Apr'14 - 36 messages
  • West Virginia, United States
Post a ReplyReport this post
There is a hole in bottom of truck directly below valve to allow access to adjust it and the secondary relief. Just make sure you adjust correct one and use quick disconnect on top beside valve tap for pressure test.
  • Posted 15 Feb 2016 07:16
  • By popeye
  • joined 24 Nov'14 - 208 messages
  • Ohio, United States
Post a ReplyReport this post

Post your Reply

Forkliftaction accepts no responsibility for forum content and requires forum participants to adhere to our rules of conduct. Click here for more information.

If you are having trouble using the Discussion Forums, please contact us for help.

Machinery-onQ
Machinery-onQ.com is the one place to source and sell all your new and used machinery.
Find equipment for sale | Add a listing
VISIT
machinery-onQ.com
Machinery-onQ
Global Industry News
edition #1256 - 13 November 2025
Automation is a key theme in the stories we have in this week’s Forkliftaction News ... Continue reading
UN Forklift FBT18NQZ1
UN Forklift FBT18NQZ1
HANGZHOU, Zhejiang, China
New - Sale
SMV (Konecranes) 4632CC5
SMV (Konecranes) 4632CC5
Balling, Denmark
New - Sale
|

PREMIUM business

Hyster
Hyster is a world-leading provider of forklift trucks and services in the materials handling industry.
Hyster
Fact of the week
In March 2002, identical twins in Finland died on the same day in similar accidents within hours of each other. A 70-year-old man was killed by a truck while cycling; hours later, his twin brother was killed by a truck on the same road, about a mile away, before the family had been informed of the first accident.
MLA launches new electric forklift Houston, TX, United States

PREMIUM business

Hyster
Hyster is a world-leading provider of forklift trucks and services in the materials handling industry.
Hyster
From the forum discussions …
"Akeem in Guyana needed help with a steering sensor which isn't functioning properly. 'What can I check?' he asks. Martin from Quebec has provided the wiring diagram and suggests this is where the problem lies."
Akeem_b, Guyana
Read & Post in our Forums
Fact of the week
In March 2002, identical twins in Finland died on the same day in similar accidents within hours of each other. A 70-year-old man was killed by a truck while cycling; hours later, his twin brother was killed by a truck on the same road, about a mile away, before the family had been informed of the first accident.