I know to put 2 or so drops of oil in the air intake, ok, on the side there is a screw and above it say oil. How much and how often?

I would add to both comments: The damage to air tools of all kinds occurs after you finish using them. This is when they are full of moisture/water from the moist air you have been driving them with for a single use or several times a day. The few drops of oil you put in before using them is fine for general lubrication and should be repeated frequently whilst in use but the 5-10 drops (subject to tool type) you put in after you finish is what will determine the life of your tool. You must then pull the trigger with the air still connected and allow the air combined wityh the oil to displace the water that is sitting on your steel bearings and other metal components leaving behind a protective coating so it does not rust inside. 25 years of Air tool sales and repairs behind these comments.

hi can you lets me known where to waranty irt315 air sander , I used couple time only , it was broken

SHOULD HAVE 1 YEAR WARANTY,YOU COULD GET IN TOUCH WITH SELLER FOR REFUN.mine still going strong us in in my body shop every day,the base is a weak point where sand paper goes,,hope this will help..

Can you wet sand with it?

Why would you wet sand with a air file? I hope you aren't doing body work by wet sanding. I wouldn't suggest it. Air files are made for small to major body repair. I would if you got it wet it would likely lock up. It isn't water proof. And I would never suggest doing body work by wet sanding. Bare metal rust when wet.

Does anyone else have a problem with this sander spitting grease/oil out of the exhaust onto your work surface?

I use tool oil It needs to be oiled , But pull the leaver it the air to get oil out of sander not on the car . Wipe it down . then use it on the car I oil daily . this will happen to a DA or any air tool .

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315 Straight-Line Air Sander, 2.75" x 17.5" Pad, 3,000 spm

Product ID: 1625985

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Details

AC Adapter Current
2 Amps
Brand
Ingersoll Rand
Grit Type
Medium
Power Source
Air-Powered
Product Dimensions
16.6"L x 3.6"W

💪Heavy-duty durable build

⚙️3,000 spm twin-piston power

🛠️2.75" x 17.5" precision pad

Description

⚡ Elevate your craft with power and precision that professionals swear by!

VERSATILE SANDING SURFACE - Generous 2.75" x 17.5" pad with quick-action clamps adapts effortlessly to diverse projects.
ERGONOMIC VIBRATION CONTROL - Innovative 2-handle design minimizes vibration, reducing fatigue during extended use.
UNMATCHED POWER PRECISION - Twin-piston design delivers a smooth 3,000 strokes per minute for flawless sanding every time.
PALM FRIENDLY LEVER THROTTLE - Smart throttle reduces hand pressure, letting you work longer with superior control.
BUILT TO LAST BUILT FOR PROS - Heavy-duty construction ensures reliability and longevity on the toughest job sites.

The Ingersoll Rand 315 Straight-Line Air Sander combines a robust twin-piston motor delivering 3,000 strokes per minute with a large 2.75" x 17.5" sanding pad for versatile, efficient surface finishing. Engineered with a vibration-reducing two-handle grip and a lever throttle to ease hand strain, this heavy-duty air-powered tool is built for durability and professional-grade performance across demanding sanding tasks.

Specifications

AC Adapter Current	2 Amps
ASIN	B00004XOT5
Batteries Included?	No
Batteries Required?	No
Battery Description	Air-powered
Best Sellers Rank	#69,037 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #7 in Air Powered Sanders #60 in Power Random Orbit Sanders
Brand	Ingersoll Rand
Color	Red
Customer Reviews	4.5 4.5 out of 5 stars (680)
Date First Available	May 10, 2006
Description Pile	Air-powered
Global Trade Identification Number	00663023000169
Grit Type	Medium
Included Components	Ingersoll Rand - Sander Air 2-3/4X17-1/2In. Dual Piston 3000Spm (315)
Is Discontinued By Manufacturer	No
Item Package Quantity	1
Item Weight	6.6 pounds
Item model number	315
Manufacturer	Ingersoll Rand
Maximum Rotational Speed	3000 RPM
National Stock Number	5130-01-337-2950
Number Of Pieces	1
Part Number	315
Power Source	Air-Powered
Product Dimensions	16.6"L x 3.6"W x 6.8"H
Size	One Size
Special Features	heavy-duty
UPC	094700402547 663023000169 088021742376 787721828891 210344149321 384921711437 031112660066 301652906635 031113098509 826659185697 014444910177
Warranty Description	1 year from date of purchase with sales receipt or invoice

Reviews

D**S

Not as noisy as old one

Very nice,paper stays on ,comfortable to hold

19.01.2026

L**.

good

working good

26.12.2025

A**D

Durable, quality product

I'm doing body work on my car that was hit by hail and this saved my arms a lot of work.

15.12.2025

E**D

Online sander

6.02.2026

B**O

Una herramienta excelente,hace eficiente tu trabajo

28.01.2026

S**.

Air tool

Good tool,great buy and great quality

4.06.2025

R**.

A great air sander! I personally think that this one is the one to buy.

A proven power tool. If you have a decent air compressor this tool can save you lots of time and hard work. I’ve had several over the years and decided to get a new one. It will work well for smoothing flat areas and rounded places as well.

9.03.2025

D**R

It would be nice if it had instructions

This is my first experience with a straight line pneumatic sander. It is not my first rodeo with pneumatic tools. The unit did not come with instructions. It came with a little card prompting me to search the IR website for documents, which I did, and which returned zero search results. Courtesy of an AI web search, apparently this tool design requires oiling in addition to the normal "air inlet" oiling I usually do daily with my air tools. Indeed, there is a small phillips screw on the left side of the sander that says "oil". It leads to an internal reservoir that actually holds a lot of air-tool oil (probably a couple tablespoons). The unit was shipped dry. It would have been nice if there was a sticker on it that said "oil here before use" or something obvious like that. The unit I received stops in a middle position every time I release the trigger. I must "cock" the sander all the way forward or backward to get it to re-start. I do not know if that's by design or if my unit is defective, or if I damaged it by operating it for less than a minute without that oil reservoir filled. The product description also indicates it is variable speed, which it isn't. The speed can be adjusted somewhat by regulating air pressure, but it won't operate at all much below 90 psi, which is the max rated air pressure. I'm returning the unit for an exact replacement, hoping I got a lemon. Will update review then. I cannot comment yet on how well it works or doesn't work on my boat fairing project.

21.02.2026

A**A

Good quality

31.03.2022

H**Z

Trabaja perfecto

12.05.2023

J**Z

Muy practico excelente 👍🏽

31.01.2023

A**D

Good 👍

7.01.2026

J**O

Perfecto

11.12.2022

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