Hydraulic Hose; Pressure And Cycle Time Table - Wittke STARLIGHT Maintenance Manual

Hydraulic Hose

Labrie Enviroquip Group uses premium quality hydraulic hose designed specifically for use in our
hydraulic systems. All pressure hoses have a maximum working pressure of at least 3000 psi, with a x4
burst pressure rating. The hydraulic hose type is identified on the hose covers, in the "lay line". When
replacing any hydraulic hose, it is extremely important that the replacement hose carries the same
SAE rating as the original hose.
Hose types are listed by a designation or number set by a regulatory authority such as ISO and the
SAE (Society of Automotive Engineers). These regulatory bodies set standards in the hydraulic hose
industry.
Inspect all hydraulic hoses and tubing daily for abrasion, cuts, cracks and damage. Replace any
I :
MPORTANT
hydraulic hose which shows signs of damage.

Pressure and Cycle Time Table

Function
Main valve (S L
TAR IGHT
F ™)
EATHERWEIGHT
Main valve (S D
UPER
Dump valve R5P (S
F ™), Denison pump only
EATHERWEIGHT
Dump valve R5P (S
Denison pump only
Pilot generating relief valve on utility
section, EH valve only
Pressure reducing valve on utility section,
EH valve only
Packer extend
Packer return
Packer complete cycle
Tailgate open
Tailgate close
Tailgate holding valve
Top door open
Pressure Setting (PSI)
™/
™)
UTY
L ™/
TAR IGHT
D ™),
UPER UTY
Engine
RPM
2500 ± 50 1500
2750 ± 50 1500
2750 ± 50 1500
3000 ± 50 1500
420 ± 20 700
550 ± 20 max rpm
System pressure 1500
System pressure 700
n/a 1500
System pressure 700
Velocity fuse 700
600 ± 50 700
System pressure 700
Hydraulic System 121
Cycle Time Cycle Time
(min.) (max.)
n/a n/a
n/a n/a
n/a n/a
n/a n/a
n/a n/a
n/a n/a
14,0 18,0
5,0 6,0
19,0 24,0
15,0 21,0
15,0 26,0
n/a n/a
n/a n/a