Craftsman 4 Belt Owners Manual

11
OPERATION
Clamp or otherwise secure the work to prevent it from
moving under your sander.
WARNING: Unsecured work could be thrown
back toward operator causing injury.
Before placing sander on work surface, squeeze the
switch trigger and let the motor reach its maximum
speed, then lower your sander to the work surface
with a slight forward motion. Using the rear handle to
control your sander and the front handle only to guide
it, move it slowly over the work. Allowing your sander
to remain in one place...

12
MAINTENANCE
WARNING: When servicing, use only identical
Craftsman replacement parts. Use of any other
part may create a hazard or cause product
damage.
TIMING BELT REPLACEMENT
See Figures 11 and 12.

Unplug your sander.
WARNING: Failure to unplug your sander could
result in accidental starting causing possible
serious personal injury.

When replacing timing belt, use replacement
belt number 989368-000 only. See key number 5
on parts list, page 17.

Remove sanding belt from sander. Follow
instructions...

13
MAINTENANCE
SWITCH REPLACEMENT
See Figures 13 and 14.

Unplug your sander.
WARNING: Failure to unplug your sander could
result in accidental starting causing possible
serious personal injury.

Remove the handle cover screws and handle
cover. Note the locations of all wiring in the handle
and how each connection is made to the switch.
Connections and wiring position must be identical
when installing new switch. 
See Figure 13.
Fig. 14
Fig. 13

Lift the switch away from the handle.

Release the leads...

14
MAINTENANCE
CORD REPLACEMENT
See Figures 15 and 16.

Unplug your sander.
WARNING: Failure to unplug your sander could
result in accidental starting causing possible
serious personal injury.

Remove the handle cover screws and handle
cover. Note the locations of all wiring in the handle
and how each connection is made to the switch.
Connections and wiring position must be identical
when installing new cord. 
See Figure 15.Fig. 16
Fig. 15 SWITCH HANDLE
BEND
RELIEF
CORD

Remove the switch from the...

15
MAINTENANCE
GENERAL
Only the parts shown on parts list, page 17, are
intended to be repaired or replaced by the customer.
All other parts represent an important part of the
double insulation system and should be serviced only
by a qualified Sears service technician.
Avoid using solvents when cleaning plastic parts.
Most plastics are susceptible to damage from various
types of commercial solvents and may be damaged
by their use. Use clean cloths to remove dirt, carbon
dust, etc.
WARNING: Do not at any...

16
CRAFTSMAN 4 in. BELT SANDER — MODEL NUMBER 315.117921
SEE NOTE A PAGE 17
12
3
5
610
7
89
71112
13
14
15
17 16181920
21
21
20 22
25
26
24
32
27
28 29
30
29
31
33
35
34
361
40 41
42 43
44
45 46
47 49 5048 5152 53 54 55
18 4
37 38 39
"S" HOOK
BEFORE ASSEMBLYBEND "S" HOOK
AS SHOWN
AFTER ASSEMBLY
23 

17
CRAFTSMAN 4 in. BELT SANDER — MODEL NUMBER 315.117921
Key Part
No. Number Description Quan.
PARTS LIST
*  Standard Hardware Item — May Be Purchased Locally
*** Complete Assortment Available At Your Nearest Sears Catalog Order Or Retail Store
NOTE: A - The assembly shown represents an important part of the Double Insulated System. To avoid the possibility of alteration or damage
to the System, service should be performed by your nearest Sears Repair Center. Contact your nearest Sears Retail Store for...

 
   (1-800-469-4663)