Air Systems and Brakes

535 topics in this forum

1. air line question B85

   By Mack58B42, July 16
   • 4 replies
   • 151 views
   • 
   • Hobert62
   • July 19

2. Slack adjuster replacement help

   By Moparmike, July 10
   • 1 reply
   • 104 views
   • 
   • thomastractorsvc
   • July 16

3. Air compressor won't stop building air

   By jasonemryss, July 12
   • 1 reply
   • 83 views
   • 
   • thomastractorsvc
   • July 16

4. Air leaking from left back relay valve

   By DJG, July 5
   • 7 replies
   • 186 views
   • 
   • DJG
   • July 14

5. 1979 MR685S - brakes on rear dragging

   By Virtual400, November 28, 2016
   • 5 replies
   • 506 views
   • 
   • Virtual400
   • July 8

6. b model brake shoe wear plate.

   By tom1361, June 27
   • 3 replies
   • 159 views
   • 
   • kscarbel2
   • June 28

7. R model brake troubles

   By martinf, June 5
   • 3 replies
   • 219 views
   • 
   • martinf
   • June 7

8. 1948 Mack Fire Truck, Bad Breaks

   By froutzy1, June 1
   • 2 replies
   • 131 views
   • 
   • froutzy1
   • June 1

9. Air start tank acquisition

   • 1
   • 2

   By Freightrain, February 13
   • 38 replies
   • 1,201 views
   • 
   • Freightrain
   • May 26

10. R Model Air start losing air over two days

    • 1
    • 2

    By thebaz, March 12
    • 27 replies
    • 783 views
    • 
    • thebaz
    • May 19

11. Air Governor

    By Plowboy, May 13
    • 1 reply
    • 121 views
    • 
    • Lmackattack
    • May 13

12. 2007 CH Foot valve

    By dcrow, April 10
    • 2 replies
    • 187 views
    • 
    • dcrow
    • April 30

13. 2004 Granite parking brake takes about 15 seconds to engage

    By CA Trucking, March 30
    • 7 replies
    • 282 views
    • 
    • Swishy
    • April 9

14. wheel cylinders

    By antique61cmodel, November 9, 2014
    • 6 replies
    • 1,147 views
    • 
    • 1941 ED
    • April 3

15. need Mack midliner brake help

    By kfguy, April 21, 2015
    • 12 replies
    • 2,547 views
    • 
    • Neo
    • March 22

16. Brakes seize while still cold, normal after pumping them or warm MS200P

    By thesloc, March 21
    • 0 replies
    • 97 views
    • 
    • thesloc
    • March 21

17. 2014 LEU613 P-Brake Pressure Switch Location

    By Mickey603, March 20
    • 0 replies
    • 82 views
    • 
    • Mickey603
    • March 20

18. B61 Brake Spiders

    By BCT, January 26, 2012
    • 8 replies
    • 1,544 views
    • 
    • Hobert62
    • March 8

19. 1964 Mack B61 Aluminum Spiders

    By FarmEnterprises, December 13, 2016
    • 10 replies
    • 599 views
    • 
    • FarmEnterprises
    • March 5

20. Rollaway & Height sticker question

    • 1
    • 2

    By Mack007, October 15, 2012
    • 25 replies
    • 2,785 views
    • 
    • BillyT
    • February 15

21. 2003 Mack ch613

    By Daveinbuffalo, January 23
    • 9 replies
    • 449 views
    • 
    • Hobert62
    • February 13

22. Air buzzard

    By Gary Miller, January 15
    • 2 replies
    • 353 views
    • 
    • Brian P. Barnes
    • February 10

23. Mack Defense Kerax 8X8

    By Mike Lavoie, January 11
    • 2 replies
    • 383 views
    • 
    • fjh
    • January 13

24. TRAILER BRAKE SHOES

    By wilbur, January 8
    • 4 replies
    • 372 views
    • 
    • wilbur
    • January 8

25. 1980 mack rd 686 airline diagram

    By Asarine, January 4
    • 5 replies
    • 428 views
    • 
    • Coenut
    • January 5