Gradall 534B (9103-1390) Service Manual - Manual (Page 160)

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Figure 195
Using a new gasket and “O” ring, position charging
pump assembly on studs. Install washers, nuts and
capscrews.
Figure 196
Tighten capscrews 37 to 41 ft. lbs. torque [50,2 -
55, 5 N.m]. Tighten stud nuts 41 - 45 ft. lbs. torque
[55,6 - 61,0 N.m].
Figure 197
Install new oil filter. Tighten 20 to 25 ft. lbs. torque
[27,1 - 33,9 N.m].
Figure 198
If the control cover valve spools are to be inspected
or the spool oil seals changed, remove the valve spool
stops as shown and pull spools out of oil seals. Always
replace oil seals if valve spools are removed for in-
spection. Sharp edges on valve spool will cut lip of
oil seal. When replacing oil seal, pick old seal out of
housing using caution as not to damage oil seal bore.
Install new seal in control valve. NOTE: When in-
stalling speed and direction selector spools through oil
seal use extreme caution as not to cut lip of oil seal.
Figure 199
Position detent balls in housing.