Repair
26 3A1570L
Recirculation / Over Pressure
Relief Block
Valves can be serviced with the block on the machine
(see page 47 for parts view). For thorough cleaning,
remove the block assembly as follows.
1. Disconnect two fluid tubes connected to back of
recirculation block (3).
2. Loosen and remove two screws (10) in back of
recirculation block.
3. See Fluid Manifold, page 47. Clean and inspect all
parts for damage. Ensure that the seat (8a) and
gasket (8b) are positioned inside each valve
cartridge (8).
4. Apply PTFE pipe sealant to all tapered pipe threads
before reassembling.
5. Reassemble in reverse order, following all notes on
page 47.
Air Inlet Filter / Water Separator
(Auto Drain)
Air Filter Element Removal
1. Close air inlet valve (302) on filter (301).
2. Hold in metal spring clip and twist black cover
counterclockwise to remove.
3. Unscrew clear drain cover by hand.
4. Unscrew black filter element retainer to remove
element.
5. Inspect filter element. Clean or replace.
Air Filter Element Installation
1. Insert cleaned or replacement filter (15D909).
2. Hand-screw filter retainer into place.
3. Hand-screw clear drain cover until tight.
4. Reposition black cover and turn. Make sure it
“snaps” back into place.
FIG. 4
FIG. 5
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