JLG 1850SJ Service And Maintenance Manual page 418

SECTION 5 - BASIC HYDRAULIC INFORMATION & HYDRAULIC SCHEMATICS
12. Install the dowel pins.
Install four 5 mm dowel pins into the proper cavities on
both sides of the body (refer to the illustration). Swab
the pins with assembly grease or petroleum jelly to
retain them during assembly.
Do not install dowel pins to the rear cover or flange, as
one of them may drop inside the pump during assem-
bly.
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13. Clean the mating surfaces.
Remove any excess lubrication and grease from the mat-
ing surfaces of the front flange and rear cover. Ensure
that these surfaces are dry and free of contamination
before moving on to the next step.
Ensure the pressure seals are seated properly after this
operation.
14. Install Rear Cover.
Mount the cover on the body. Ensure the arrow on the
back is oriented properly. The arrow should be In the
same direction as the flow.
Ensure that all the pressure seals stay in place during
this operation.
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