91Expert(t) 2000
TM
Maintenance Manual
Cycle Time for All
Hydraulic Functions
Hydraulic Tank
Inspection Procedure
Verify that the oil in the reservoir is
clean and always at the appropriate
level. The oil must be clean and not
colored.
Figure 143. Hydraulic Tank Gauge
1. Make sure the parking brake is
applied and the vehicle is tagged
out for maintenance purposes
(refer to “Lockout/Tagout
Procedure” on page 8);
2. Clean the strainer and replace
the filter element inside the tank
after the first 50 hours of service.
Refer to “Strainer Cleaning
Procedure” on page 96;
3. Change the return filter element,
twice a year (after the first 50
hours). Refer to “Filter Element
Replacement Procedure” on
page 94;
Engine at 1200RPM (vane
pump)
VANE PUMP CYCLE TIME
CRUSHER
PANEL
4-5 SEC.
T
AILGATE 40-50 SEC.
P
ACKER 12-14 SEC.
B
ODY HOIST 55-65 SEC.
CAUTION
MAXIMUM TEMPERATURE FOR
HYDRAULIC
OIL IS 180°F.
Oil Gauge
Temperature
¾ of Oil
Level
Gauge