Delta 31-780 Instruction Manual page 5

ATTACHING
SPINDLE ADAPTER
1. Carefully turn the machine upside down. Place it on
a clean, firm supporting surface.
2. Use a flat head screwdriver or similar device to
remove the plug (A) Fig. 5, from the bottom of the
machine to gain access to socket head screw (not
shown).
3. Carefully place the machine on its side (Fig. 6).
Attach the spindle adapter (B) Fig. 6, to the motor shaft
(C), by turning the spindle adapter counterclockwise on
the shaft. NOTE: Motor shaft has a left-hand thread.
4. Place a 7/16" open end wrench (D) Fig. 7 (not
supplied), on the flats of spindle adapter (B). Insert 3/16"
Allen wrench (E) Fig. 8 (supplied), into socket head screw
located where the plug (A) was removed in STEP 2.
5. While holding Allen wrench (E) Fig. 8, to keep motor
shaft from turning, turn wrench (D) counterclockwise and
fasten spindle adapter onto motor shaft.
6. Install plug (A) Fig. 5 that was removed in STEP 2.
ATTACHING SANDER TO
ACCESSORY 50-780 STAND
To attach the tool to the optional accessory 50-780
stand, carefully place the sander on the stand. Align the
four holes on the top of the stand with the four mounting
holes at the base of sander (A) (three of which are
shown). Fasten the sander to the stand with four M8 x
45mm hex head screws, eight flat washers and four hex
nuts, (all supplied).
To use the sander without the stand, please refer to the
section "FASTENING SANDER TO A SUPPORTING
SURFACE".
A
A
Fig. 9
C
B
E
5
A
Fig. 5
B
Fig. 6
D
Fig. 7
Fig. 8
B