Author Topic: ex SVN 170-411 found  (Read 13943 times)

Offline dkg001

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Re: ex SVN 170-411 found
« Reply #45 on: February 21, 2016, 05:58:03 PM »
the side support posts are separate to the troop seats, there are two centre posts and two rear posts, which have a chain fitting to secure the tail gate.

Offline 2short

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Re: ex SVN 170-411 found
« Reply #46 on: February 21, 2016, 06:07:36 PM »
Thank you.
Tailgate has had a couple of previous lives.

Offline 2short

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Re: ex SVN 170-411 found
« Reply #47 on: March 12, 2016, 05:50:07 PM »
Purchased a set of original canopy bows today as well as a set of troop seats.
Overall in pretty good nick. Gave one side a sand back to see how it would come up.

Offline 2short

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Re: ex SVN 170-411 found
« Reply #48 on: March 13, 2016, 10:19:47 PM »
Trial fit of seats.

Offline mike_k

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Re: ex SVN 170-411 found
« Reply #49 on: March 14, 2016, 05:14:32 AM »
Looks terrific.

Canopy next?

 8)

Offline 2short

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Re: ex SVN 170-411 found
« Reply #50 on: March 14, 2016, 08:36:08 AM »
Yes. Would like to try it soon.

Having trouble with the air pressure all of a sudden. Buzzing not going off and pressure not building up for the brakes. Has me puzzled.

Offline Bluebell One-eight

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Re: ex SVN 170-411 found
« Reply #51 on: March 14, 2016, 09:27:02 PM »
Yes. Would like to try it soon.

Having trouble with the air pressure all of a sudden. Buzzing not going off and pressure not building up for the brakes. Has me puzzled.
First check the air reservoir drain cock isn't open, if it's closed then make sure the trailer brake taps are "öff" If the pressure rises to 50-55 psi then the emergency ( painted red at the connector) is most likely the culprit. If you have no luck then check the compressor belt is still on. If that's OK then check the airline starting at the compressor for leaks, with the age of the truck corrosion may have attacked the steel and the tube wall may have failed. If you don't have  a copy of the brake service then let me know and I'll send you one. There are other components such as the winch clutch or treadle valve that will cause big leaks but the system will usually build up enough pressure to silence the buzzer while the engine is operating.

Offline 2short

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Re: ex SVN 170-411 found
« Reply #52 on: April 03, 2016, 04:10:29 PM »
Gave it a look over before, and still not building up pressure.
It has to be something simple. Something I'm overlooking.
The trailer brake handle on the steering column. What position should that be in?

Offline aussiegregmac

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Re: ex SVN 170-411 found
« Reply #53 on: April 03, 2016, 06:20:38 PM »
From memory Up for Off.
1942 C15 Blitz RadioVan 42-CMP "The PieVan"
1960 Series2 FFW 111-515  "The Woodcutter"
1991 Perentie RFSV 51-699  "Berzerker"
1996 Perentie INF 6x6 202-189 "The Walrus"

Offline GGG

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Re: ex SVN 170-411 found
« Reply #54 on: April 03, 2016, 07:11:06 PM »
Up for off is correct. Is the belt driving the compressor? They were inclined to slip when wet. Otherwise compressor problems.
Geoff.

Offline Ravvin

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Re: ex SVN 170-411 found
« Reply #55 on: April 03, 2016, 08:08:56 PM »
Something to try that should point you in the right direction. Undo the rubber inlet hose from the compressor to the air filter.
Start the truck and feel if any air is moving from the opening. If there is air being sucked in, you have a leaking fitting, blown line or open trailer coupling valve somewhere in the system.
If there's no suction, then the issue is in the compressor or the governor.
The service manual says to remove the compressor valve discharge cap nuts and check for excessive carbon. These are the 2 nut looking things on the top of the compressor head. Just take it slow as there are springs under them that try to get out.
If it all looks good in there, I'd bet the governor or the unloader piston is stuck open. Unless you want to remove the whole thing and pull it apart, you could try giving it a good smack with a soft-faced hammer.

Offline Acco 4x4

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Re: ex SVN 170-411 found
« Reply #56 on: April 04, 2016, 07:29:20 PM »
If there is a leak or an open tap you will hear it. The compressor governor uses pressure to "cut out" the pumping so id put my $$$$ on a stuck unloader valve. Same principle as a diesel locomotive compressor. Mine stuck once, i let it run for a while and gave it a couple of good revs, came good. If its been stuck for a while, it may need a little more attention. Worse case scenario, plumb an air blower or similar from an air compressor (tool/workshop type) to the open tank drain valve and charge the main res with air to check for leaks. Don't exceed the max air pressure of the truck but......

Offline john.k

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Re: ex SVN 170-411 found
« Reply #57 on: April 15, 2016, 09:40:31 PM »
The compressor governors are cheap as dirt.I bought a new one a while back for $15.A common cause of pressure loss is the brake valve,with air going out the exhaust.Simply depress the pedal fully,and the valve will seal,while pressure builds up.For air leaks,soapy water is your friend.Put some in a spray bottle and go around the entire air system.Dont overlook the tractor protection valve inside the rear chassis.Hook up the air system to a full pressure workshop compressor,pressure will often cause the problem component to seal.Unfortunately,kits for the Mk3 type brake valve are obsolete.The Mk4 treadle valve is available.Regards John.