"popping" jacks
DH and I are camped in Palm Desert, AZ and we've recently noticed something disturbing. It sounds (and feels) like our leveling jacks are slowly retracting...one notch at a time. By feeling, I mean ...
Forum Discussion
This is from Lippert:
Fluid Recommendations for Hydraulic Leveling
1. Operation at air temperatures routinely above 0o
C (32o
F)
• Dexron 3/Mercon ATF
• Mercon 5 ATF
• Dexron 6 ATF
• PetroBlend (Mason City, IA) PHO 0022S (synthetic group 3 base blend)
• Bellman all temp 22 (Bremen, IN)
• Or any ATF or hydraulic fluid with a pour point lower than -42o
C (-45o
F)
2. Operation at air temperatures routinely below freezing, 0o
C (32o
F)
• Mobil 1 full synthetic ATF
• Royal Purple full synthetic ATF
• Valvoline full synthetic ATF
• Amzoil full synthetic ATF
• PetroBlend (Mason City, IA) PHO 0022S (synthetic group 3 base blend)
• Bellman all temp 22 (Bremen, IN)
• Or any ATF or hydraulic fluid with a pour point lower than -42o
C (-45o
F)
• Multivis (all temperature) iso 22 hydraulic fluid
• Or any ATF or hydraulic fluid (conventional or synthetic) with a pour point lower than -46o
C ( -50o
F)
3. Operation at air temperatures routinely below -18o
C (0o
F)
• Kendall Glacial Blue
• Benz oil (Milwaukee, WI) Flomite 530
• Or any conventional or synthetic ATF or hydraulic fluid with a pour point less than -57o
C ( -70o
F) and
viscosity less than 2850 cP @ -40o
C (-40o
F ).
Fluid Recommendations for Hydraulic Leveling
1. Operation at air temperatures routinely above 0o
C (32o
F)
• Dexron 3/Mercon ATF
• Mercon 5 ATF
• Dexron 6 ATF
• PetroBlend (Mason City, IA) PHO 0022S (synthetic group 3 base blend)
• Bellman all temp 22 (Bremen, IN)
• Or any ATF or hydraulic fluid with a pour point lower than -42o
C (-45o
F)
2. Operation at air temperatures routinely below freezing, 0o
C (32o
F)
• Mobil 1 full synthetic ATF
• Royal Purple full synthetic ATF
• Valvoline full synthetic ATF
• Amzoil full synthetic ATF
• PetroBlend (Mason City, IA) PHO 0022S (synthetic group 3 base blend)
• Bellman all temp 22 (Bremen, IN)
• Or any ATF or hydraulic fluid with a pour point lower than -42o
C (-45o
F)
• Multivis (all temperature) iso 22 hydraulic fluid
• Or any ATF or hydraulic fluid (conventional or synthetic) with a pour point lower than -46o
C ( -50o
F)
3. Operation at air temperatures routinely below -18o
C (0o
F)
• Kendall Glacial Blue
• Benz oil (Milwaukee, WI) Flomite 530
• Or any conventional or synthetic ATF or hydraulic fluid with a pour point less than -57o
C ( -70o
F) and
viscosity less than 2850 cP @ -40o
C (-40o
F ).
