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Repair Parts
Parts List For RIDGID 12" Compound Miter Saw
Model No. MS1290LZ 0
RIDGID parts are available on-line at www.ridgidparts.com
Figure 8 - Arm Guard Assembly ‡
Always order by part number - Not by key number
* Standard hardware item - May be purchased locally.
‡ CAUTION: See Mechanical Assembly Caution below.
• WARNING: Uncontrolled spring release or misinstallation of these parts
may create a Hazard unless repair is done by a qualified service technician.
CAUTION: Mechanical Assembly, to qualified service technician.
1. Wear approved eye protection when working with coil springs
including spring, arbor lock 830030.
2. Incorrect re-assembly of torsion spring 830111 can cause an unsafe
condition because cutting head fails to rise fully to stop, or because
spring fails through over-stress.
3. Improper reassembly of mechanisms controlling movement of
lower guard 830059 can cause an unsafe condition because guard
fails to operate freely as cutting head is moved up and down.
2
3
4
5
9
11
12
8
1
7
6
10
13
14
Key
No.
Part No. Description
1
2
3
4
5
6
7
830225
823360
816755-6
830029
830030
830155
830031-2
Arm Guard Asm
Bumper, Lower Guard
Screw, Pan Cr M5 x 16
Pin, Arbor Lock
•Spring
Screw, Set Lock M4 x 5
Nylock
Arbor Asm
Key
No.
Part No. Description
8
9
10
11
12
13
14
830032
830154-1
830154
821875-1
821862
820238-2
830027
Retainer Bearing
Screw, Sems M5 x 12
Screw, Sems M5 x 25
* Screw M6 x 1.0-14
Bearing
* Washer M6 x 12 x 1.6
Key 4 x 4 x 20