Labrie ALLEY -GATOR RIGHT-HAND, Maintenance Manual

Page: 77 / 108

Maintenance 67
Pressure and Cycle Time Chart - Packer Circuit
Pressure and Cycle Time Chart - Body Circuit
Function Pressure Setting
Engine
RPM
Cycle
Time
(sec.)
MIN.
Cycle
Time
(sec.)
MAX.
Relief on pump manifold 3000 ± 50 PSI 700 n/a n/a
Relief on packer valve 2700 ± 50 PSI 700 n/a n/a
Complete packer cycle System pressure 700 22 25
Packer counterbalance valve See procedure on
page 93
700 n/a n/a
Function Pressure Setting
Engine
RPM
Cycle
Time
(sec.)
MIN.
Cycle
Time
(sec.)
MAX.
VPL main relief valve 2800 ± 50 PSI 700 n/a n/a
Body hoist up 2500 ± 100 PSI 700 65,0 75,0
Body hoist down 500 ± 100 PSI 700 45,0 55,0
Tailgate up 2500 ± 100 PSI w/
power bleed from
packer
700 14,0 17,0
Tailgate down 2500 ± 100 PSI w/
velocity fuse to drain
700 16,0 18,0
Crusher panel up pressure
limiter
2500 ± 50 PSI 700 4,0 5,0
Crusher panel down pressure
limiter
2500 ± 50 PSI 700 3,0 4,0
Top door open pressure limiter 1400 ± 50 PSI 700 n/a n/a