Maintenance - DeWalt DW899 Instruction Manual

DW899/384346 IM 5/2/02 1:44 PM
FIG. 1
CRANK DOWN
SLOT
STRIPPER
DIE
Page 3
6. Replace punch and reassemble tool by reversing steps 2-5
Removing Die
OIL FILLER
1. Remove 2 die screws located an an angle at bottom rear of shoe
PLUG
2. If sharpening of die is required, sharpen on a surface grinder by
3. Clean die and shoe surface thoroughly.
OIL FLOW
CONTROL KNOB
4. Insert die in tool.
5. Replace screws and tighten securely.
CLEARANCE HOLE

Maintenance

SHOE
Nibblers should be cleaned, inspected, and lubricated at certified
D
FELT OILER
three months with light usage.
STRIPPER MOUNTING
Inspect carbon motor brushes frequently by unplugging tool,
SCREWS (2)
removing the brush inspection caps, and withdrawing the brush and
spring assembly. Replace the assembly when the brushes are worn
DIE SCREWS (2)
down to the line closest to the spring, or when spring exerts
insufficient pressure to hold brush against commutator. Keep brushes
clean and sliding freely in their guides.
Saturate the felt oiler with SAE 10W or 20W motor oil once very day
of operation in normal use.
3
above.
BE SURE TO THOROUGHLY CLEAN AND LIGHTLY OIL ALL
LOCATING SURFACES BEFORE REASSEMBLY TO PREVENT
DAMAGE TO TOOL. ALSO MAKE CERTAIN THAT STRIPPER IS
SECURELY LOCKED IN POSITION AND PUNCH IS PROPERLY
SEATED BEFORE FINALLY TIGHTENING THE PUNCH
RETAINING SET SCREW.
and remove die (Figure 1).
removing material from only the top surface of the die. Grinding by
a qualified machine shop is preferred.
that the total amount of metal removed from both the punch and
the die cannot exceed 3/32".
WALT service centers every month with heavy usage, every two or
E
CAUTION: Remember