Owner's manual

ATEX Compliant

Main Air Valve Assembly Parts List

Item Part Number Description Qty

1 031.030.557 Assembly, Main Air Valve 1

1A 031.039.000 Sleeve and Spool set 1

1B 095.051.557 Body, Air Valve 1

1C 165.038.558 Cap, End 2

1D 560.058.360 O-ring 8

1E 675.043.115 Ring, Retaining 2

Air Distribution Valve Servicing

See repair parts drawing, remove screws.

Step 1: Remove end cap retainer (1E).

Step 2: Remove end cap (1C).

Step 3: Remove spool part of (1A) (caution, do not scratch).

Step 4: Press sleeve (1A) from body (1B).

Step 5: Inspect O-Ring (1D) and replace if necessary.

Step 6: Lightly lubricate O-Rings (1D) on spool (1A).

Step 7: Press sleeve (1A) into body (1B).

Step 8: Reassemble in reverse order.

Note: Sleeve and spool (1A) set is match ground to a specied clearance

sleeve and spools (1A) cannot be interchanged.

Air Distribution Valve Assembly

With Cast Iron Center

hdf1dl2sm-rev0614

sandpi p erpu m p.c o m

11 • Model HDF1/HDF25

MODEL SPECIFIC

4: AIR END