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CHECKING FOR LEAKS

1.  Inflate the air spring to 30 PSI.
2.  Spray all connections and the inflation valves with a solution of 1/5 liquid dish soap 

and 4/5 water. Spot leaks easily by looking for bubbles in the soapy water.

3.  After the test, deflate the springs to the minimum pressure required to restore the 

system to normal ride height. Do not deflate to lower than 5 PSI.

4.  Check the air pressure again after 24 hours. A 2-4 PSI loss after initial installation is 

normal. Retest for leaks if the loss is more than 5 PSI.

FIXING LEAKS

1.  If there is a problem with the swivel fitting:

a.  Check the air line connection by deflating the spring and removing the line by 

pulling the collar against the fitting and pulling firmly on the air line. Trim 1” off 
the end of the air line. Be sure the cut is clean and square (see Fig. 12). Reinsert 
the air line into the push-to-connect fitting.

b.  Check the threaded connection by tightening the swivel fitting another half turn. 

If it still leaks, deflate the air spring, remove the fitting, and re-coat the threads 
with thread sealant. Reinstall by hand tightening as much as possible and then 
use a wrench for an additional two turns.

2.  If there is a problem with the inflation valve:

a.  Check the valve core by tightening it with a valve core tool.
b.  Check the air line by removing the air line from the barbed type fitting. Cut the 

air line off a few inches in front of the fitting and use a pair of pliers or vice grips 
to pull/twist the air line off of the fitting.

DO NOT CUT OFF THE AIR LINE COMPLETELY AS THIS WILL USUALLY NICK THE 
BARB AND RENDER THE FITTING USELESS.

3.  If the preceding steps have not resolved the problem, call Air Lift customer service at 

(800) 248-0892.

Before Operating

LoadLifter 5000 Series

MN-1047

12

CAUTION

Содержание 57275

Страница 1: ...ead these instructions completely before proceeding with installation Watch the video Info on next page S E R I E S Installation Guide TM MN 1047 011704 ERN 8631 Failure to read these instructions can...

Страница 2: ...ss steel roll plates braided stainless steel air lines stainless steel air spring mounting hardware Air Lift offers two Ultimate Plus upgrade kits 52300 Braided stainless steel air line and fittings 5...

Страница 3: ...g the Emergency Brake Line Bracket and Clip 9 Installing the Air Lines 10 Installing Nylon Air Lines 10 Installing Braided Stainless Steel Air Lines 11 Installing the Heat Shield 11 Before Operating 1...

Страница 4: ...ig 1 H J J OR V K G L J I A J L E D C I J L F B U only on 2500 HD model P M J Q O N L only on 2500 HD model Small weld nut bracket must be removed Only on 2500 HD model The 3500 model has a different...

Страница 5: ...connect PTC fitting 2 G 17203 3 8 24 x 7 8 Bolt 4 J 18444 3 8 Flat washer 23 K 18427 3 8 Lock washer 4 P 17215 3 8 24 x 3 4 Flat head screw 4 AA 20086 Air line 1 BB 10466 Zip tie 6 CC 21230 Valve cap...

Страница 6: ...ORTANT SAFETY NOTICE The installation of this kit does not alter the gross vehicle weight rating GVWR or payload of the vehicle Check the vehicle s owner s manual and do not exceed the maximum load li...

Страница 7: ...nds setting the jack stands as wide as possible on the axle Fig 2 2 Drop the axle or raise the frame up to make room for the assemblies to be put into position between the frame and axle ASSEMBLING TH...

Страница 8: ...holes and into the square holes of the legs in the lower bracket Fig 3 7 Attach the lower bracket B to the bottom of the air spring assembly using two 3 8 flat head screws P Tighten securely fig 4 Ou...

Страница 9: ...strike plate 2 With the lower bracket parallel to the strike plate hook one leg under the side of the strike plate and turn the assembly until the other leg is under the strike plate on the other sid...

Страница 10: ...bracket inboard and tighten both upper bolts There should be a thumbs width between the air spring roll plate D and the leaf spring U bolt ALIGNING AND ATTACHING THE ASSEMBLY AND LOWER BRACKET 1 Brin...

Страница 11: ...e brake line clip N onto the emergency brake line bracket Fig 1 10 3 Attach the clip assembly to the brake line bracket using a 5 16 bolt O two flat washers J and a nylon lock nut M Fig 1 10 4 Align t...

Страница 12: ...t pull on the air line 3 Install the Schrader valve in the chosen location Fig 13 Good cut Bad cut MICHIGAN XXX XXX www MICHIGAN gov A Inside fuel tank filler door C License plate or B Inside rear whe...

Страница 13: ...immed CAUTION Hex nuts Star washer Rubber washer Air Line Setup for Compressor Integration Air Line Setup Without Compressor System Vehicle body or bumper Hex nuts Flat washer Star washer Rubber washe...

Страница 14: ...e cut is clean and square see Fig 12 Reinsert the air line into the push to connect fitting b Check the threaded connection by tightening the swivel fitting another half turn If it still leaks deflate...

Страница 15: ...ler should review the operating instructions with the owner Be sure to provide the owner with all of the paperwork that came with the kit Overnight leak down test Recheck air pressure after the vehicl...

Страница 16: ...vary depending on the state of the original suspension Operating the vehicle below the minimum air spring pressure will void the Air Lift warranty 5 When increasing load always adjust air pressure to...

Страница 17: ...es include roll control bounce dive during braking and sponginess Fig 19 Tuning out these problems usually requires an increase in pressure GUIDELINES FOR ADDING AIR 1 Start with the vehicle level or...

Страница 18: ...evelops Look for a kink or fold in the air line Replace any air line that has been kinked FREQUENTLY ASKED QUESTIONS Q Will installing air springs increase the weight ratings of a vehicle No Adding ai...

Страница 19: ...etailer If there is a problem with the price Contact Information Mailing address P O Box 80167 Lansing MI 48908 0167 Shipping address 2727 Snow Road for returns Lansing MI 48917 Phone Toll free 800 24...

Страница 20: ...d Help Contact Air Lift Company Customer Service at 800 248 0892 or email service airliftcompany com For calls outside the U S or Canada dial 517 322 2144 JJC 0417 Thank you for purchasing Air Lift Pr...

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