JLG 340AJ Service Manual User Manual
Page 210
SECTION 5 - HYDRAULICS
5-52
– JLG Lift –
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NOTE:
For proper pump operation, it is extremely important to
ensure that there is no contamination between the end
cap and valve plate.
4.
Install new gasket (G150).
NOTE:
Do not bend or warp the gasket in an attempt to straighten
it.This may damage the embossing which is not visible
under the rubber coating.
5.
Using a 10 mm internal hex wrench install endcap with
cap screws (G350) and (G400).
6.
Torque cap screws (G350) and (G400) to 110 Nm[81
Ib.ft.].
7.
Use torque sequence shown below.
CHARGE PUMP INSTALLATION
NOTE:
Charge pump components are available as a complete kit
only. Kit includes (S300), (S250), (SI 00), (SI 50), and (S200).
1.
Install new seal (S300) to valve plate (S250). Lubricate
valve plate (S250) and install in same orientation as
when it was removed.
2.
Lubricate and install outer ring (S150) and charge pump
gear set (S100). Lubricate and install coupling (K200).
3.
Lubricate and install pressure-balance plate (S200) in
same orientation as when it was removed. Install new
outer seal (S300).
4.
Lubricate and install thrust washer (K500) in same orien-
tation as when it was removed.
NOTE:
Bump on thrust washer fits into hole in cover.