Remington R300 User Manual download pdf (Page 16)

106088

IMPORTANT:

Clean your tool after each day’s use. The parts shown in the illustration below should

be cleaned daily. Clean metal parts with accessory wire brushes. Apply penetrating

lubricant sparingly and wipe dry.

Maintenance

REMEDY

Remove barrel assembly. Fol-

low instructions for piston

change. Replace all damaged

or missing parts.

Replace piston.

Change either to next lower

powder load, or use next longer

fastener length.

Remove barrel assembly. Fol-

low instructions for buffer re-

placement (page 21). Replace

other parts if damaged.

Clean receiver chamber. If

power loads will not chamber

with a slip-fit or extraction diffi-

culties continue, take tool to

your distributor for repair.

Replacement of ejector is re-

quired. Replace or take tool to

your distributor for repair.

Barrel must be opened fully to

the full extended position to

properly position piston.

Remove piston. Replace pis-

ton ring.

Replace piston.

POSSIBLE CAUSE

Piston not properly as-

sembled in relation to tang.

Broken piston.

Excessive power.

Overdriving of power fas-

tener (see above). Buffer

binding on piston in muzzle

cap.

Dirty or damaged receiver

chamber.

Broken ejector.

Piston not returning to full rear

position.

Worn piston ring.

Broken piston.

PROBLEM

Piston rod hangs out

of muzzle cap.

Overdriving of power

fastener.

Piston jammed.

Expended power load

will not extract.

Reduction or loss of

power.

Troubleshooting Guide

Receiver

Barrel

Buffer

Tang

Tang Spring

Tang Cap

Piston

Muzzle Cap

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 22 23 24

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Remington R300 User Manual Page 16

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