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G-Force Nova QL80 Shank (8″)

Rental units available!

Product Details

This G-Force Nova QL80 DTH Hammer uses the latest technology in “No Foot Valve” hammer bits; increasing reliability, performance, and production.

Hammer Specifications – G-Force Nova QL80 Shank

G-Force Nova QL80 DTH Hammer

Features:

  • No foot valve required
  • Easy to service
  • Special heat-treated alloy piston for long life, Rockwell hardness 60
  • Minimum loss of performance when injecting foam or water
Item #DescriptionPart #
1Back HeadGFN8501
2Back Head O-RingGFN8502
3Back Head WasherGFN8503
4Air Check ValveGFN8504
5Air Check Valve SpringGFN8505
6Buffering WasherGFN8506
7Make-up RubberGFN8507
8Air GuideGFN8508
9Air Guide Plug (Choke)GFN8509
10Air Guide O-ringGFN8510
11Air DistributorGFN8511
12Air Distributor O-ringGFN8512
13CylinderGFNQ8513
14Wear SleeveGFNQ8514
15PistonGFNQ8515
16Piston Stop Ring (Buffering)GFN8516
17Bit BearingGFNQ8517
18Bit Bearing O-RingGFNQ8518
19Bit RetainerGFNQ8519
20Bit Retainer O-RingGFNQ8520
21Chuck WasherGFN8521
22Chuck (Drive Sub)GFNQ8522
-O-Ring KitGFN8523

Specifications

Length (w/o drill bit)56.1"
Outside Diameter7.28"
Weight (w/o bit)441 lbs.
Cylinder Bore5.925"
Piston O.D.5.92"
Piston Stroke2.38"
Piston Weight92.9 lbs.
Hole Sizes7 7/8" - 10"
Air Pressure Consumption150 psi - 350 psi
Wrench SizeA/F 5.512"
ConnectionStd. 4 1/2" API Reg Pin

Air Consumption Chart

PSI150200250300350400
CFM with blank choke4456508501,0451,240-
with 1/8" choke------
with 1/4" choke------

Lubrication

G-Force Nova 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
AROX EP 150
MATEX
RDO 302
CASTROL
RD OIL DP 100
SHELL
AIR TOOL OIL 2 A 320
MOBILE
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 - 2500 lbs. Maximum @ 350 psi - 6500 lbs.

Hammer Warranty will be voided by the following:

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

READ WARNING LABEL ATTACHED TO HAMMER

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