Checking Charge Relief Pressure - Kubota L2800 Workshop Manual

L2800, L3400, WSM

(2) Checking Charge Relief Pressure

Tractor Manuals Scotland
Checking Charge Relief Pressure
CAUTION
• When checking, park the machine on flat ground, apply the
parking brake.
NOTE
• Use a new transmission oil filter.
1. Remove the hex. socket head plug from P port.
2. Assemble long adaptor (07916-6083) and thread joint (07916-
50341) with the gasket between them.
3. Install the assembled long adaptor and thread joint to P port.
4. Install the cable, thread joint in relief valve set pressure tester and
low pressure gauge to threaded joint in order.
5. Place the range gear shift lever in neutral.
6. Run the engine at maximum speed.
7. Release the HST pedal to set in neutral, and measure the charge
pressure.
8. If the measurement is no within the factory specifications, check
charge relief valve (2).
(When reassembling)
• Apply liquid lock (Three Bond 1324B or its equivalent) to the hex.
socket head plug.
Charge pressure
NOTE
• Low pressure gauge is 2.9 MPa (30 kgf/cm
scale.
(Condition)
• Engine speed : Maximum.
• Oil temperature : 45 to 55 °C
(1) P Port
(2) Charge Relief Valve
(3) Poppet
Tractor Manuals Scotland - Please Do Not Copy
H3-S8
TRANSMISSION (HST TYPE)
0.49 to 0.78 MPa
Factory spec. 5.0 to 8.0 kgf/cm
71 to 114 psi
113 to 131 °F
(4) Spring
(5) Plug
2
2
, 427 psi) full
W1029913
KiSC issued 08, 2007 A