CK5 Network
Repairing, restoring or modifying your ride just got a whole lot easier!

ARB with no compressor?

CHEVY 4WD

1/2 ton status
Joined
May 14, 2002
Posts
1,773
Reaction score
0
Location
Florida
you could run a ARB with no compressor as long as you kept a small tank on board and filled it up before leaving right?
Also about how many times can you lock a ARB before the compressor kicks back on?
 

Burt4x4

1 Ton First Gen
Premium Member
Joined
Feb 17, 2000
Posts
7,214
Reaction score
340
Location
California (Modesto area)
Just a guess..
Your better off using a Powertank or regulated C02, that way you won't run out....I am guessing the compressed air tank won't be ehough...I could be wrong.
 

Ryan B.

3/4 ton status
GMOTM Winner
Joined
Jul 18, 2001
Posts
5,693
Reaction score
0
Location
CA
I run a power tank.
I also bought an inline constant 80 psi. regulator from mcmaster carr, and put that in right before the arb selenoid.... That way i could accidently bump my power tank regulator up to 120 psi and the constant regulator will always kick it down to 80 psi preventing me from blowing my arb seals. /forums/images/graemlins/thumb.gif

The only problem with a small tank, it depends on how many times your going to be locking and unlocking your arb.. if you were on a whole weekend trip, i'd say you'd want a powertank then.. It should only be releasing air when you turn off the arb and it goes PSSHHHT.. otherwise it's not consuming any air, just using the 80 psi to hold it locked. /forums/images/graemlins/pimp1.gif
 

HarryH3

1 ton status
Author
Joined
May 31, 2000
Posts
10,384
Reaction score
4
Location
Georgetown, TX
It's not uncommon for ARB's to leak just slightly. I've been on many trips where someones ARB compressor would be kicking on every few minutes while the diff was locked. (And I've also been on trips where you could hear air escaping from the diff vent line, while the ARB never locked). /forums/images/graemlins/yikes.gif It doesn't take much volume of air to lock an ARB, so with no leaks, and judicious use of the diff-lock button then a 3 gallon or so tank should easily last for a day trip.
 

84gmcjimmy

1 ton status
Joined
Dec 3, 2003
Posts
12,837
Reaction score
0
Location
B.C. CANADA
Does the compressor just INGAGE it then sit, then DISENGAGE it and sit? Like all it does it turn the locker on and off? If so why does everyone upgrade to bigger tanks if all it takes it a little air? thanks
 

Steve_87K5

1/2 ton status
Joined
May 26, 2000
Posts
521
Reaction score
0
Location
central NC
It would work OK for a time or 2, but I doubt you would be very happy without a compressor in the long term. My compressor kicks in more often when the ARBs have been on for a short while, but after an hour or so they seem to seal better and compressor stays off for long periods.
 

84gmcjimmy

1 ton status
Joined
Dec 3, 2003
Posts
12,837
Reaction score
0
Location
B.C. CANADA
So a york compressor or something would work better? I'm planning on getting a ARB eventually so I want to no whats best. I dont no much about air supplies so any help would be great. Thanks /forums/images/graemlins/laugh.gif
 

Steve_87K5

1/2 ton status
Joined
May 26, 2000
Posts
521
Reaction score
0
Location
central NC
the air moves a splined assembly in the center of the diff carrier. So the air has to go through a rotary joint. This is formed by an O-ring seal inboard of bearing cap. I think the air pressure being on the O-ring helps to seal it better. The CFM of air that is consumed by leakage is almost nothing, but there has to be sufficient pressure to overcome the return spring, and engage the unit.
 
Top Bottom