TROUBLESHOOTING

PROBLEM

CAUSE

CORRECTION

 

 

. . . . .O-ring cut or cracked

.Replace O-ring

Trigger valve stem leaks air

O-ring/seals cut or cracked

.Replace trigger valve assembly

Frame/nose leaks air

Loose nose screws

.Tighten and recheck

 

 

O-ring or Gasket is cut or cracked

.Replace O-ring or gasket

 

 

Bumper cracked/worn

.Replace bumper

Frame/cap leaks air

Damaged gasket or seal

.Replace gasket or seal

 

 

Cracked/worn head valve bumper

.Replace bumper

 

 

Loose cap screws

.Tighten and recheck

Failure to cycle

Air supply restriction

.Check air supply equipment

 

 

Tool dry, lack of lubrication

.Use BOSTITCH Air Tool Lubricant

 

 

Worn head valve O-rings

.Replace O-rings

 

 

Broken cylinder cap spring

.Replace cylinder cap spring

 

 

Head valve stuck in cap

.Disassemble/Check/Lubricate

Lack of power; slow to cycle

Tool dry, lacks lubrication

.Use BOSTITCH Air Tool Lubricant

 

 

Broken cylinder cap spring

.Replace cap spring

 

 

O-rings/seals cut or cracked

.Replace O-rings/seals

 

 

Exhaust blocked

.Check bumper, head valve spring, muffler

 

 

Trigger assembly worn/leaks

.Replace trigger assembly

 

 

Dirt/tar build up on driver

.Disassemble nose/driver to clean

 

 

Cylinder sleeve not seated correctly

 

 

 

on bottom bumper

.Disassemble to correct

 

 

Head valve dry

.Disassemble/lubricate

 

 

Air pressure too low

.Check air supply equipment

Skipping fasteners; intermittent feed Worn bumper

.Replace bumper

 

 

Tar/dirt in driver channel

.Disassemble and clean nose and driver

 

 

Air restriction/inadequate air flow through

 

 

 

quick disconnect socket and plug

.Replace quick disconnect fittings

 

 

Worn piston O-ring

.Replace O-ring, check driver

 

 

Tool dry, lacks lubrication

.Use BOSTITCH Air Tool Lubricant

 

 

Damaged feed piston spring

.Replace spring

 

 

Low air pressure

.Check air supply system to tool

 

 

Loose canister nose screws

.Tighten all screws

 

 

Fasteners too short for tool

.Use only recommended fasteners

 

 

Bent fasteners

.Discontinue using these fasteners

 

 

Wrong size fasteners

.Use only recommended fasteners

 

 

Leaking head cap gasket

.Tighten screws/replace gasket

 

 

Trigger valve O-ring cut/worn

.Replace O-ring

 

 

Broken/chipped driver

.Replace driver (check piston O-ring)

 

 

Dry/dirty magazine

.Clean/lubricate use BOSTITCH Air Tool Lubricant

Fasteners jam in tool

Driver channel worn

.Replace nose/check door

 

 

Wrong size fasteners

.Use only recommended fasteners

 

 

Bent fasteners

.Discontinue using these fasteners

 

 

Loose canister/nose screws

.Tighten all screws

 

 

Broken/chipped driver

.Replace driver

COIL NAILERS

 

 

Skipping fasteners; intermittent feed

Feed piston dry

.Add BOSTITCH Air Tool Lubricant in hole in feed piston cover

 

 

Feed piston O-rings cracked/worn

.Replace O-rings/check bumper and spring. Lubricate assembly.

 

 

Check Pawl binding

.Inspect Pawl and spring on door. Must work freely.

 

 

Canister bottom not set correctly

.Set canister bottom for length of nails being used

 

 

Broken weld wires in nail coil

.Remove coil of nails and use another coil

Fasteners jam in tool/canister

Wrong size fasteners for tool

.Use only recommended fasteners/check canister bottom adjustment

 

 

Broken welded wires in nail coil

.Remove coil of nails and use another coil

 

 

Wrong slide plate adjustment for

 

 

 

wire collated nail coil

.Adjust switch pins for wire collated nail coil

-11-

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Bostitch N89C manual Troubleshooting, Problem Cause Correction, Coil Nailers

N89C specifications

The Bostitch N89C is a highly regarded pneumatic roofing nailer designed to streamline the roofing process while ensuring maximum efficiency and productivity. As a staple tool in the construction industry, particularly for roofing applications, it is engineered to handle a variety of tasks with precision and ease, making it a favorite among both professionals and DIY enthusiasts.

One of the standout features of the Bostitch N89C is its lightweight design, weighing in at an impressive 4.6 pounds. This reduced weight allows for extended use without excessive fatigue, which is crucial during long working hours on steep roofs. The nailer is constructed with a durable housing that can withstand the rigors of job sites, ensuring longevity and reliable performance.

The N89C operates using a pneumatic system that delivers a powerful and consistent driving force. It is capable of accommodating wire-weld and plastic collated nails ranging from 3/4 inch to 1-3/4 inch in length, offering versatility for various roofing materials, from shingles to plywood. This adaptability makes it an essential tool for contractors who need to switch between different materials and tasks seamlessly.

Equipped with a depth adjustment feature, the Bostitch N89C allows users to control the depth at which nails are driven, ensuring proper fastening without damaging the roofing materials. This precision is vital for maintaining the integrity of roofs and ensuring longevity. An adjustable exhaust port also enhances user comfort by directing air away from the user, reducing the chance of dust and debris being blown back onto the work surface.

The Bostitch N89C's magazine holds up to 100 nails, enabling contractors to work efficiently without frequent reloading. This feature is complemented by a nail lock-out mechanism that prevents dry firing, which can cause damage to the tool and materials. The easy-to-clear jam release lever also ensures that any jams can be resolved quickly, minimizing downtime on the job.

Incorporating advanced technologies like an efficient air consumption design, the Bostitch N89C promotes longer run times and reduced compressor cycling. This innovation not only improves performance but also contributes to cost-effectiveness for contractors who rely on pneumatic tools for their jobs.

In summary, the Bostitch N89C roofing nailer is a powerful, reliable, and easy-to-use tool built for professionals. With its lightweight structure, adjustable features, and durable construction, it offers the performance needed to tackle roofing projects efficiently and effectively, making it an invaluable addition to any contractor's toolkit.