PARTS LISTING / MAINTENANCE
MD380 TOOL PARTS LIST
KEY PART NO. DESCRIPTION
1 315370 SPALL GUARD
2 315310 THREAD PROTECTOR
3 315350 HEAT RESISTANT SHIELD
4 315180 RETAINING RING
5 312650 O-RING
6 315240 MUZZLE BUSHING SHROUD & 0-RING
7 315190 MUZZLE BUSHING
8 312650 O-RING
9 315120 BUFFER
10 315160 PISTON
11 315000 RECEIVER ASSEMBLY*
12 315110 PAWL
13 315360 RETENTION BALL
14 315100 EJECTOR
15 315090 BARREL
16 304680 EJECTOR CLIP
17 315150 PAWL RETAINING CLIP
18 315140 RETURN SPRING SCREW
19 315200 TRIGGER RETURN SPRING
20 311740 TRIGGER ASSEMBLY WITH ROLL PIN
21 315070 FIRING PIN NUT
22 315060 BREECH PLUG
23 312650 O-RING
24 315220 FIRING PIN SPRING
25 315230 BREECH BLOCK SPRING
26 315040 FIRING PIN
27 33671 SEAR ROLL PIN
28 33659 SEAR SPRING
29 81649 SEAR
30 315030 BREECH BLOCK
31 315080 RUBBER HANDLE
32 315250 HANDLE SCREW
* FACTORY REPLACEMENT ONLY
PARTS LISTING / MAINTENANCE
13
MAINTENANCE
IMPROPERLY MAINTAINED TOOL CAN CAUSE SERIOUS INJURIES
TO TOOL OPERATORS AND BYSTANDERS
CLEAN TOOL DAILY
NORMAL CLEANING
All front end parts shown in the disassembly section are to be cleaned daily or more
often if necessary to maintain best tool function. Remove all dirt and carbon buildup
with detergent oil and a wire brush and wipe parts dry with a clean rag. Check all
parts for wear or damage before reassembly and replace or repair any worn or
damaged parts.
COMPLETE CLEANING / GENERAL MAINTENANCE
Heavy use or constant exposure to dirt may require that the tool be cleaned more extensively and more
often to restore the tool to normal operation. This maintenance should be peformed every six months or
more often if tool is subjected to heavy use.
ALWAYS FUNCTION TEST THE TOOL AFTER PERFORMING ANY SERVICE.
SEE PAGE 9 FOR FINCTION TEST DETAILS.
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