5-23
31. HANDLING AUTO-GREASING SYSTEM
3. Method of bleeding air from pressure switch
This work shall be performed by two persons.
1) Open transmission inspection cover 5 at the rear of the cab.
One person removes pressure switch 7 from block 6, then
stays there.
2) The other person presses the auto-greasing switch to start
the grease pump.
3) Discharge the grease containing air (milky white in many
cases) from the block 6. If normal grease comes out, stop
the grease pump.
4) Install pressure switch 7 to block 6. (Check that grease is
not leaking.)
4. Method of bleeding air from supply line
This work shall be performed by two persons.
1) One person removes supply line pressure gauge 8 from
block 6, then stays there.
2) The other person presses the auto-greasing switch to start
the grease pump.
3) Discharge the grease containing air (milky white in many
cases) from the block 6. If normal grease comes out, stop
the grease pump.
4) Install pressure gauge 8 to block 6. (Check that grease is
not leaking.)
NOTICE
If air is left in the circuit, the grease pressure will not rise to the
specified level or will take a long time to rise to the specified level,
and the injector will not work normally.
5. Filling branch lines (Injector - Pin) with grease
Remove cap A of filler fitting 0 of injector 9, then fill the all
branch lines with grease by using a hand grease gun.
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