SOP-EQ-008 Rev 2 — E.H. Wachs SDB-103 Small Diameter Beveler — Safe Operation (UA46 110V, 3.75" coupon scope)

Equipment: E.H. Wachs SDB-103 Small Diameter Beveler (cold cutter) (EQ-008)

Location:

Approved by: Marty Howe, Welding Instructor

Approval date: 2026-05-25

Linked records: HA-EQ-008 · ·

Standards basis: OHSA s.25 (general duty); O.Reg 851 s.24 (machine safety), s.31 (rotating equipment), s.42 (electrical), s.85 (lockout), s.105 (PPE); CSA Z460-13 (cord/plug LOTO); CSA Z432 (Machine Safeguarding); CSA Z1002 (risk assessment); CSA Z94.3 (eye/face protection — grade 2 minimum; ANSI Z87.1-marked acceptable since Z94.3 marks indicate Z87.1 conformance); CSA Z94.2 (hearing); E.H. Wachs manufacturer manual 16-MAN-01 Rev. A (March 2014) takes precedence on equipment-specific procedures.

Machine Specs

Specification	Value
Manufacturer	E.H. Wachs Company (Lincolnshire, IL)
Model	SDB-103 Small Diameter Beveler
UA46 P/N variant	16-000-02 (110V electric)
Manufacturer pipe range	1.16-4.18" I.D., up to 4.5" O.D.
UA46 configured range	2" Sch 80 ONLY (I.D. 1.939") — leg set 16-021-02 (1.90-2.32" range)
Drive motor	110V AC, 50-60 Hz, 8.0 A electric motor
Tool head	4-slot rotating head (UA46 uses 1 slot — single 26-411-01 cutter)
UA46 tooling	26-411-01 37.5° beveling cutter ONLY
Feed	Manual axial, 0.0625" per handle revolution, 2.5" max travel
Drawbar torque	25 lb-ft (using supplied wrench)
Mounting	I.D. self-centering mandrel (bench-mounted in pipe stand at UA46)
Material scope	Carbon steel and stainless steel (no cast iron at UA46)
Manual reference	E.H. Wachs P/N 16-MAN-01, Rev. A March 2014

⚠ Danger Rotating tool head will cut clothing, gloves, jewelry, or hair instantly. NEVER reach near the rotating head. Pipe edge after bevel is razor-sharp — handle with cut-resistant gloves only AFTER motor stopped.

PPE Required

⊙ CSA Z94.3 / ANSI Z87.1 safety glasses with side shields — MANDATORY

⊙ CSA Z94.2 hearing protection (operational noise exceeds 85 dBA)

⊙ Tight-fit gloves for handling pipe BEFORE setup and AFTER cut completion only — REMOVE before motor start (entanglement)

⊙ Hair contained; no loose clothing, neckties, or jewelry

⊙ CSA Z195 Grade 1 safety footwear

Pre-Use Inspection

Confirm cord intact, three-prong grounded plug; verify GFCI cabinet circuit is energized
Verify 2" Sch 80 pipe is rigidly secured in pipe stand — NO loose-pipe operation; pipe must not rotate or shift axially
Inspect SDB-103 tool head bore for chips and debris; clean with brush (NEVER compressed air — UA46 policy)
Confirm leg set 16-021-02 installed; both captivated screws tight on each leg (UA46 scope: 2" Sch 80 only — I.D. 1.939")
Inspect 26-411-01 37.5° beveling cutter for chips, wear, secure mounting; verify cutting edge faces clockwise (viewed from feed handle)
Wipe mandrel clean; apply light coating of oil to mandrel shaft
Verify drawbar wrench available; torque target 25 lb-ft
Verify feed handle moves freely through full travel range (no binding or hard spots)

Operation

Machine Setup on 2" Sch 80 Pipe

Confirm 2" Sch 80 pipe is rigidly clamped in pipe stand (no rotation, no axial movement under cutting forces)
Insert mandrel chuck into pipe I.D., with legs positioned NEAR the pipe edge — max 3/4" (19 mm) penetration from leg end to pipe edge
Hold machine at desired clamping location, square to pipe axis
Rotate drawbar nut clockwise with supplied wrench to expand mandrel legs into the ~1.94" I.D.
Tighten drawbar nut to 25 lb-ft (use torque wrench for tight tolerance work)
Verify mandrel legs are seated and machine is square to pipe axis (visual check)
Confirm 26-411-01 beveling cutter is installed in tool slot with cutting edge facing clockwise; tighten wedge screw

Cutting the 37.5° O.D. Bevel

Verify motor adapter is secure on machine body; motor mounting screws tight
Confirm power switch is OFF before plugging cord into outlet
Plug into GFCI-protected 110V cabinet circuit
Turn feed handle counter-clockwise to FULLY retract cutter clear of pipe face before motor start
Start motor; advance feed handle clockwise until cutter contacts pipe face
Continue clockwise feed at smooth, consistent rate — let the cutter do the work (do not force; forcing causes chatter and tool wear)
When desired bevel depth achieved, retract feed handle counter-clockwise to disengage cutter, then power off motor

Leg Set & Pipe Size Reference

UA46 stocks only leg set 16-021-02 for 2" Sch 80 pipe (I.D. 1.939"). Cutting any other pipe size requires sourcing additional leg sets (procurement task).

Leg set P/N	I.D. range	Nominal pipe size	UA46 stocked?
16-021-01	1.53-1.94" (38.8-49.3 mm)	~1-1/4" Sch 80	No
16-021-02	1.90-2.32" (48.2-58.9 mm)	2" Sch 80 (I.D. 1.939")	YES — UA46 standard
16-021-03	2.27-2.69" (57.6-68.7 mm)	~2-1/2" Sch 80	No
16-021-04	2.64-3.06" (67.0-77.7 mm)	~2-1/2"-3" Sch 80	No
16-021-05	3.02-3.43" (76.7-87.1 mm)	~3" Sch 80	No
16-021-06	3.39-3.81" (86.1-96.7 mm)	~3-1/2" Sch 80	No
16-021-07	3.76-4.18" (95.5-106.1 mm)	~4" Sch 80	No

Material scope: Carbon steel and stainless steel ONLY at UA46 (no cast iron). Tooling: 26-411-01 37.5° beveling cutter only (no facing, compound bevel, J-prep, or counterbore tooling stocked).

Removing Machine & Inspecting Bevel

Confirm motor is OFF and power cord is unplugged from outlet
Loosen drawbar nut counter-clockwise to retract mandrel legs from pipe I.D.
Withdraw mandrel and machine from pipe — support machine weight; do not drop
Inspect bevel: 37.5° angle, surface clean, no chatter marks, no burrs at land
Deburr inside edge if needed using separate hand deburring tool (NOT the SDB-103)
Wipe mandrel clean; apply light coating of oil for storage
Inspect 26-411-01 cutter for chips, wear, dullness — flag for instructor if cutter needs replacement

Prohibitions

Never operate without leg set 16-021-06 installed and properly clamped — mandrel slip causes the rotating machine body to walk on the coupon and into the operator
Never reach toward the rotating tool head — there is no full guard; the head is exposed by design
Never wear loose sleeves, gloves, jewelry, or anything that can be entangled by the rotating head

Emergency Stop

Emergency Response Release the trigger on the motor body — the motor will stop and tool head will coast for 10-15 seconds. Do NOT touch the tool head while coasting. If the trigger fails to stop the motor, unplug at the wall outlet. There is no E-Stop button on the SDB-103 — the only stop control is the motor trigger. Tool head has NO BRAKE. WAIT MINIMUM 15 SECONDS AFTER MOTOR STOPS before touching the tooling. Bevel tool is exposed (no full guard possible on a portable beveler) — treat the head as live until you have personally verified rotation has stopped.

Scenario	Immediate response	Notify
Operator clothing, glove, or hair caught in rotating tool head	Power off motor IMMEDIATELY; unplug at outlet; do NOT attempt to free until rotation fully stopped	Instructor + 911
Pipe rotates or shifts in stand (clamp failure)	Power off motor; do not approach until rotation fully stopped; secure pipe before any further action	Instructor
Cutter breaks during cut	Power off motor; clear area; inspect for shrapnel/embedded fragments before approach	Instructor + first aid if struck
Smoke or burning smell from motor	Power off; unplug at outlet; do not restart	Instructor; tag machine out of service
Cord damage during operation (GFCI should trip)	If GFCI did not trip, do not touch — power off at cabinet breaker	Instructor immediately
Operator cut on freshly-beveled pipe edge	Stop operation; remove pressure; control bleeding; cover with sterile dressing	Instructor + first aid

Power Isolation

Cord-and-Plug Control Before servicing, cleaning, or accessory change — unplug the unit and maintain exclusive control of the plug. Per CSA Z460-20 cl. 4.3.5.

Power switch OFF; wait for rotating head to fully stop
Unplug cord at GFCI cabinet outlet
Apply personal lock+tag at plug if service >5 minutes (per CSA Z460-20 cl. 4.3.5)

Post-Use

Power off motor; unplug cord from GFCI cabinet outlet
Retract feed handle counter-clockwise; loosen drawbar nut; remove machine from pipe
Brush off chips from machine body, tool head, and mandrel (NEVER compressed air)
Wipe mandrel clean and apply light oil; inspect threads for damage
Inspect cutter 26-411-01 — replace if chipped, dull, or worn; flag instructor for new cutter
Return SDB-103 to storage case; lock cabinet

Related Resources

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ELIM

Cannot eliminate; pipe-end bevel prep is the equipment's purpose for the UA46 training scope.

SUB

Use HSS cutting tool sharpness as primary control; carbide substitution available for harder materials (not used in current UA46 carbon/stainless coupon scope).

ENG

Self-centering mandrel (prevents off-center cut hazards); single-leg-set design at UA46 (eliminates wrong-leg-set error mode); manufacturer safety labels; double-insulated motor; three-prong grounded receptacle; GFCI-protected cabinet circuit; pipe stand for stable coupon hold.

ADM

Authorized-persons-only operation; mandatory training per manufacturer §2 Operator Safety; pre-use mandrel + tool inspection; pre-start rotation test (machine must not rotate on coupon by hand); never-leave-tool-head-exposed rule when machine is mounted but not running; LOTO before tool change; mandrel removed when not in use for storage.

PPE

CSA Z94.3 grade 2 safety glasses MANDATORY; CSA Z94.2 hearing protection for any cut >30 seconds or in enclosed shop space; CSA Z195 Grade 1 footwear; cut-resistant gloves for chip cleanup ONLY (NEVER during operation — entanglement); snug-fit clothing.

Before you sign off on this machine

On the next page you will confirm you have:

Read this entire SOP
Received instructor demonstration of the procedure
Demonstrated competent operation to the trainer
Understood the prohibitions and the emergency stop
Had the opportunity to ask questions

If you are unsure about any step or any control on this machine, stop and ask the instructor before you sign off.

Sign off on the Wachs SDB-103 Beveler →

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SOP-EQ-008

Confirm training — scan to sign off Scan this code to record your acknowledgment of this SOP. Required before independent operation.