G-Force GFR3000 IR3.5 Shank

Features:

Easy to service

Special heat-treated alloy piston for long life, Rockwell hardness 60

Minimum loss of performance when injecting foam or water

Item #	Description	Part #
1	Back Head	G3001
2	Back Head O-Ring	G3002
3	Air Check Valve	G3003
4	Air Check Valve Spring	G3004
5	Make-Up Rubber (Buffering)	G3005
6	Air Guide	G3006
7	Air Distributor	G3007
8	Air Distributor O-Ring	G3008
9	Cylinder	G3009
10	Cylinder Stop Ring	G3010
11	Wear Sleeve	G3011
12	Piston	G3012
13	Piston Stop Ring	G3013
14	Bit Retaining O-Ring	G3014
15	Bit Retaining Ring	G3015
16	Chuck (Drive Sub)	G3016
	Choke Plug Kit	G3029
	O-Ring Kit	G3030

Specifications

Length (w/o drill bit)	33.97"
Outside Diameter	3.14"
Weight (w/o bit)	44 lbs.
Cylinder Bore	2.638"
Piston O.D.	2.634"
Piston Stroke	3.346"
Piston Weight	12.4 lbs.
Hole Sizes	3 3/8" - 5"
Air Pressure Consumption	100 psi - 350 psi
Wrench Size	A/F 2.599
Connection	Std. 2 3/8" API Reg Pin

Air Consumption Chart

PSI	100	150	200	250	300	350	400
CFM with blank choke	140	230	330	445	510	603	685
with 1/8" choke	-	-	-	-	-	-	-
with 1/4" choke	-	-	-	-	-	-	-

All Hammers come Fitted with blank Choke located in the Air Check Valve

Click here to download brochure

Hammer Service Log

Wear Sleeve / Piston Clearance

Part	New Dimension		Discard Clearance
Wear Sleeve	A	2.638"	greater than or equal to 0.010"
Piston OD	B	2.634"	greater than or equal to 0.010"

Inner Cylinder / Piston Clearance

Part	New Dimension		Discard Clearance
Cylinder ID	C	2.264"	greater than or equal to 0.010"
Piston OD	D	2.259"	greater than or equal to 0.010"

Distributor Probe / Piston ID Clearance

Part	New Dimension		Discard Clearance
Distributor Probe OD	F	0.801"	greater than or equal to 0.010"
Piston ID	E	0.807"	greater than or equal to 0.010"

External Wear

Description	Wear Limit
Wear Sleeve Discard Dimension	3.425"
NOTE: Chuck should be replaced when wear transfers to wear sleeve.

Lubrication

G-Force Series Hammers are precision-made tools and should be treated as such. Only the highest quality lubrication should be used and a constant flow of oil must be maintained at all times. Recommended lubrication amount 1/3 Pint per 100 cfm per hour.

Recommended Grades of Lubricant

ESSO
MATEX
CASTROL
SHELL
MOBILE

AROX EP 150
RDO 302
RD OIL DP 100
AIR TOOL OIL 2 A 320
ALMO NO. 5

Heavy duty oil is recommended for all year-round use, in particular where air supply to the hammer is at high temperature. If lighter grade oil is required due to very low ambient temperatures, amount of oil being used should be increased by 30 percent.

Recommended Pull Down

Minimum @ 100 psi - 500 lbs.

Maximum @ 350 psi - 1800 lbs.

Missile Warranty will be voided by the following:

Welding on Wear Sleeve.
Heating Case with a Torch.
Gripping Wrenches across Threads.
Hammering on Casing.