Hitachi NR90GC Support Question
Hitachi NR90GC Support Question
Find answers below for this question about Hitachi NR90GC - 3-1/2" Gas Powered Clipped Head Framing Nailer.Need a Hitachi NR90GC manual? We have 1 online manual for this item!
Question posted by Trevoreccleston on November 13th, 2022
Replacement Part
My Hitachi NR 90GC bail gun fell and the housing case us broken. Where could I buy a replacement
Current Answers
Answer #1: Posted by SonuKumar on November 13th, 2022 9:42 AM
SonuKumar
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Member since:
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https://www.powertoolspares.com/hitachi/gas-strip-nailer-nr90gc.m/nr90gc/spares
https://www.toolpartspro.com/hitachi-parts/hitachi-nr90gc2-parts.html
Please respond to my effort to provide you with the best possible solution by using the "Acceptable Solution" and/or the "Helpful" buttons when the answer has proven to be helpful.
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Answer #2: Posted by Technoprince123 on November 13th, 2022 5:51 AM
Technoprince123
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February 8th, 2021 Points: 1,205,190
Member since:
February 8th, 2021 Points: 1,205,190
Please response if this answer is acceptable and solw your problem thanks
Related Hitachi NR90GC Manual Pages
Service Manual - Page 1
MODEL
NR 90GC
Hitachi
Power Tools
GAS STRIP NAILER NR 90GC
TECHNICAL DATA AND
SERVICE MANUAL
N
LIST No. E025
Sept. 2005
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
Service Manual - Page 3
...SPECIFICATIONS ...2
5-1. Explanation of Cylinder Head Section 34 10-4. Related Laws ...Housing Section 39 10-5. Specifications ...2 5-2. COMPARISONS WITH SIMILAR PRODUCTS 5 7. Disconnection and Reconnection of Handle Section 55 11. Nail Selection ...3 5-4. Disassembly and Reassembly of Wiring between Cylinder Head Section and
Handle Section ...31 10-3. Checking for NR 90GC...
Service Manual - Page 4
...Floor and framing Truss build-up, window build-up Subflooring and roof decking Wall sheathing Mobile home and modular housing construction
4. MARKETING OBJECTIVE Today, one hour
3. We will enter the largest-scale clipped head (D-head) nailer market with the new Model NR 90GC gas strip nailer to expand our market share. PRODUCT NAME Hitachi 90 mm (3-1/2") Gas Strip Nailer, Model NR 90GC
2. The...
Service Manual - Page 5
... (Code No. 317918)
5-2. Specifications (1) Gas nailer
Model
NR 90GC
Driving system
Reciprocating piston type
Weight
Dimensions (Length x Height x Width) Nail feed system
Nail capacity
3.5 kg (7.7 lbs.) 347 mm x 353 mm x 108 mm (13-21/32" x 13-29/32" x 4-1/4") Spiral spring
37 nails (1 strip)
Packaging
Package dimensions (Length x Height x Width)
Plastic case
500 mm x 460 mm...
Service Manual - Page 6
...head nail) with the Model NR 90GC because it may cause bending of misaligned nails or nails collated with a weak paper tape. However, some D-head nails made by P. Use of such nails will cause clogging of nail
--- 3 --- Do not use of nails.
It is recommended to use genuine HITACHI nails to the nailer...The Model NR 90GC utilizes D-head (clipped head) nails collated at a different angle...
Service Manual - Page 7
... effect on the output energy range.
5-4. Figure 2 shows a comparison between the pneumatic nailers Models NR 90AD and others and the gas nailer Model NR 90GC on its combustion. Required nailing energy
Nailer output energy
NR 90GC, P
3.3 x 70 (.13 x 3)
Fig. 2 Required nailing energy and nailer output energy --- 4 --- However, the output energy is changed because environmental conditions...
Service Manual - Page 8
6. COMPARISONS WITH SIMILAR PRODUCTS
Maker
HITACHI
Model
NR 90GC
Weight (tool, battery, fuel cell)
3.5 kg (7.7 lbs.)
Dimensions (L x H x W)
...
Driving method
Single action
Hook Feeder
Provided 2-actioned nail feeding
Battery voltage Charge
7.2 V 1 h
Applicable nails Dia.
(Clip head)
Length
3.0 mm --- 3.3 mm (0.120" --- 0.131") 50 mm --- 90 mm (2" --- 3-1/2")
Fuel cell dimension...
Service Manual - Page 13
... as electric circuits, motor and electric switches. Features of the cylinder head through the spring. The piston reciprocates in the head section rotates and the spark plug discharges.
--- 10 --- The combustion chamber is no similarity between the Model NR 90GC and other Hitachi nailers in the motor mount and secured to output combustion energy. The electrical...
Service Manual - Page 20
... cause
Fuel is not set properly. The bag in a thermal insulating material.
--- 17 --- The nailer is damaged. Replace the metering valve with new one . Warm up the fuel cell. To attach the metering valve to... a fuel cell:
(1) Separate the metering valve and the cap from the gas cartridge....
Service Manual - Page 22
... deformed. Remove the Battery [111] and set (for Europe). Connect properly (Fig. 17). Replace the Switch Arm [82]. Troubleshooting and Correction
(1) Troubleshooting and correction in the fuel cell. Short of fuel in the case of gas nailers The mechanism of a pneumatic nailer. The Pushing Lever [64] is faulty. It automatically turns off if it again...
Service Manual - Page 26
...nailers
Problem
Possible cause
Inspection method
1) Nails cannot
be driven.
Collating band is abnormal (deformed or damaged).
Ribbon Spring [121] is abnormal (deformed, burrs, damaged or fatigued).
Foreign matter is normally loaded with abnormal nails (bent nails, large or small round-head... groove of the nose. Repair or replace the defective part.
Check if the nail...
Service Manual - Page 27
... the injection port. Check Nail Feeder (A) [112] for abnormal condition.
Repair or replace. Replace the head valve spring.
2) Nails are used. Nails are not fully fed into soft wood workpiece and check if the nail is worn. While operating the nailer without nails, check if the driver blade is performed. Check if the driver...
Service Manual - Page 28
... use unspecified workpieces. mechanism. Use specified nails.
See in item 1).
Operate the nailer without nails and check if the driver blade is very hard. Remedy Adjust the ...iem 1). Driver blade worn. Replace Nail Feeder (A) [112].
--- 25 ---
Problem
Possible cause
3) Head of a nail driven into soft wood workpiece and check if the head protrudes from the wood surface....
Service Manual - Page 29
...above operation, perform checking and take corrective actions as follows. (Disassemble and reassemble the nailer according to rotate the Motor [6]. (5) Depress the Trigger [98]. No sparking occurs...abnormal (discharged from the Housing [71]. (3) Put the Fan [20] on . Replace Internal Wire (A) [86].
No sparking occurs". Bolt M5 x 20 [13] and remove the Cylinder Head [14] from the ...
Service Manual - Page 30
To grind with a grinder, gradually grind the tip while cooling the ground area with water to prevent it from being excessively heated. In such a case, replace the driver blade. 9-4. Excessive grinding will rapidly reduce the service life of the driver blade should be ground as shown in Fig. 20. Regrinding the ...
Service Manual - Page 31
... General Precautions in Disassembly and Reassembly Apply grease (ATTOLUB No. 2) (Code No. 317918) to the areas shown in Fig. 21. Oil required: Hitachi Gas Nailer Lubricant 8 oz. (250 cc) oil feeder (Code No. 885-246) (Code No. 885-546) Use the cleaner (Code No. 885245) ...0.5) 4.6 0.5 (45 5, 3.4 0.4)
1.0 to 1.5 (10 to 15, 0.7 to tighten the screw of the head securely before driving nails.
10-1.
Service Manual - Page 34
... before disassembly and reassembly of each section. The wiring between Cylinder Head Section and Handle Section The Model NR 90GC is comprised of the rubber cap. Bolt M5 x 14 [1] and...)
Housing section
Two bolts
Handle section
Wiring connected to 10-3, 10-4 and 10-5 for disassembly and reassembly of Wiring between the cylinder head section and the handle section must be broken.) ...
Service Manual - Page 57
... is supplied in assembly, perform disassembly and reassembly of the Housing Ass'y [74] when replacing the components of the Housing Ass'y [74] singly.
[Tools required] Hand press
(a) Disassembly Push out the Screw M5 [70] in "A" direction as shown in Fig. 49 with a hand press. Housing [71]
Fig. 49
--- 54 --- Degrease the adhering surface on the...
Service Manual - Page 73
... Fixed
10
20
30
40
50
NR 90GC
Work Flow
General Assembly
Cylinder Head Motor Motor Mount Motor Spring Fan
Spark Plug (A) O-ring
Piston O-ring Piston Ring x 2 Piston Bumper
Top Cover Filter Filter Cover
Pushing Lever Pushing
Stopper
Chamber Head Blade Guide
Gasket (A)
Side Plate
Chamber
Cylinder Plate
Housing Ass'y
Pushing Lever Arm (A)
Pushing Lever...
Service Manual - Page 75
...
NO. SOCKET HD. PARTS
ITEM NO. USED
HEX. BOLT M5X20 (10 PCS.) 4
14 885-308 CYLINDER HEAD
1
15 885-316 O-RING (I .D. 66.27)
1
37 885-285 RETAINING RING
1
38 885-286 ...55 885-326 SIDE PLATE
1
56 945-255 U-NUT M5
2
57 885-299 CYLINDER PLATE
1
--- 2 ---
* ALTERNATIVE PARTS
NR 90GC 9 -- 05 SOCKET HD.
BOLT M5X14 (10 PCS.) 1
REMARKS
2 949-424 WASHER M5 (10 PCS.)
3
3 885-...
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