Graco 313998S User Manual Page 33

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Repair
313998S 33
Remove Hydraulic Power Pack Shroud
1. Remove four screws from base of shroud.
2. Lift shroud off of Hydraulic Power Pack.
Install Hydraulic Power Pack Shroud
1. Place shroud on top of Hydraulic Power Pack.
2. Install four screws securing shroud to hydraulic tank.
Replace Hydraulic Filter
Filter is located at right rear of hydraulic power pack.
See FIG. 8 on page 32.
1. Perform Shutdown procedure, see page 21.
2. Use compressed air to remove any loose debris
around the hydraulic filter.
3. Remove new filter from wrapping.
4. Apply a light coat of hydraulic fluid to the o-ring on
the face of the hydraulic filter.
5. Being careful not to allow any debris into the
hydraulic tank remove old filter from tank then
quickly install new filter.
Replace Fan
See FIG. 8 on page 32.
1. Perform Shutdown procedure, see page 21.
2. Remove Hydraulic Power Pack Shroud, see pro-
cedure on this page.
3. Remove four screws (732) connecting fan to mount-
ing plate.
4. Remove fan and install new fan.
5. Install four screws (732) connecting fan to Motor
and Motor Control Module.
6. Install Hydraulic Power Pack Shroud, see proce-
dure on this page.
Remove Motor Control Module
See FIG. 8 on page 32.
1. Perform Shutdown procedure, see page 21.
2. Remove Hydraulic Power Pack Shroud, see pro-
cedure on this page.
3. Remove four screws (732) connecting fan to Motor
and Motor Control Module. Remove fan and mount-
ing plate.
4. Note the location of each Motor Control Module
cable then remove all electrical cables on the left
and right sides of the Motor Control Module.
5. Remove six screws (729) securing Motor Control
Module in place.
6. Slowly and carefully slide the Motor Control Module
up until the cable on the bottom of the Motor Control
Module can be accessed and removed. Disconnect
the cable.
7. Slide the Motor Control Module up and remove.
NOTICE
Do not over-torque any item that threads into the
hydraulic tank. This will strip the threads and
require tank replacement.
NOTICE
If any debr is falls into the hydraulic tank, the debris
must be removed or machine damage will result.
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