5.3 Diagnosis (Power Steering) – 5 Steering
Maintenance Manual Ottawa T2 4x2
c. Close the flow valve on the steering analyzer and record
the pressure _________ psi. The pressure needs to be
2100 to 2200 psi at pump relief.
d. If pump pressure is less than 2100 psi, the pressure relief
on the pump needs to be adjusted. (Contact a Kalmar
Field Service Representative for more information on set-
ting the pump pressure relief.)
e. When turning the steering to the left, there should be 1700
to 1900 psi before poppet relief. When turning to the right,
there should be 1600 to 1800 psi before poppet relief.
f. If the pump is not producing 4-1/2 to 5 GPM of flow and
2100 to 2200 psi and the steering is not operating correct-
ly, the steering gear relief spring plungers may be set in-
correctly in the steering gear box. (See Kalmar service
bulletin # SB09TI0017.)
g. If the pump is not producing 4-1/2 to 5 GPM of flow at idle,
the priority valve may be sticking due to contamination. To
clean the priority valve, follow the instructions in the next
step.
2. To clean the priority valve, follow these instructions.
a. Remove priority spool plug and the priority valve spring
will be exposed and can be removed.
b. After the spring is removed, place your hand over the
spool bore in the valve body and turn the valve body over.
The priority flow orifice will drop out in your hand.
c. With the spool bore side of valve body down, tap the body
lightly against a block of wood. This should cause the pri-
ority spool to slide out of the spool bore.
d. Clean the spool bore and spool with clean solvent and dry
with shop air or wipe dry with clean, lint-free shop towel.
e. Replace the priority flow orifice in the spring bore of the
priority valve spool.
f. Replace the priority flow spring in the valve spool and with
solid end of valve spool entering first, slide the valve spool
with orifice and spring into the valve spool bore.
g. Install the plug and tighten.
h. Test pump. If there is no change in pump performance,
replace the pump.
Note: Applies to systems using a single pump for steering and
5th wheel boom hydraulics.
–
Tools Needed
• Steering analyzer
• 3000 psi pressure gauge
• 1/2" drive ratchet
• 1/2” drive 1-1/16" deep well socket
• 1/2” drive extension 3"
Содержание Ottawa t2
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Страница 31: ...22 0 4 Preventive Maintenance Technique C Preventive Maintenance Maintenance Manual Ottawa T2 4x2 ...
Страница 47: ...38 0 8 Electrical Instruments 0 Machine Complete Maintenance Manual Ottawa T2 4x2 ...
Страница 53: ...44 1 11 Start Stop 1 Engine Maintenance Manual Ottawa T2 4x2 ...
Страница 55: ...46 2 Transmission Maintenance Manual Ottawa T2 4x2 ...
Страница 57: ...48 3 Driveline Axle Maintenance Manual Ottawa T2 4x2 ...
Страница 71: ...62 5 3 Diagnosis Power Steering 5 Steering Maintenance Manual Ottawa T2 4x2 1 2 end wrench Allen wrench 5 16 ...
Страница 73: ...64 5 4 Diagnosis Hydrostatic Steering 5 Steering Maintenance Manual Ottawa T2 4x2 ...
Страница 81: ...72 7 11 Diagnosis Boom 7 Load Handling Maintenance Manual Ottawa T2 4x2 ...
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Страница 139: ...130 9 16 Accessories and Options 9 Frame Body Cab and Accessories Maintenance Manual Ottawa T2 4x2 ...
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