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manual abstract
(These detents are only for use with crown moldings that have a 38°“spring angle”.) NOTE: These detents cannot be used with 45° crown molding. — See also pages 29 & 30 for miter and bevel angle charts for cutting crown moldings that have 38° and 45° spring angles (and the material is laid flat on the miter saw base). Each chart lists the exact miter and bevel settings required for a wide range of corner angles. — Even though these angles are standards, most rooms do not have angles of exactly 90°, there- fore, you will need to fine tune your settings. The optional Bosch DWM40L MiterFinder Digital Anglefinder/Protractor measures spring angles and corner angles, then automatically deter- mines the exact miter and bevel settings necessary to make each crown molding cut fit perfectly. Left Right Left Right — Base molding can be cut vertical against fence or flat on the table. The maximum size that can be vertical on the fence is 4-1/4", flat on table is 10-1/4". — Follow the table for helpful hints on cutting base molding for corners that have 90° angles. — Cutting base molding can be done either as a chop cut or a slide cut depending on the size of the workpiece. — Crown molding must be cuts must be positioned properly to fit exactly. — There are two ways to cut crown molding: flat on table or angled to table and fence. — Crown molding’s “spring angle” is the angle between the back of the molding and the bottom flat surface that fits against the wall. — This miter saw has special miter detents at 31.6° and bevel detents at 33.9°. These detents allow you to easily position most crown moldings flat on the table and make precise cuts for 90° corners. (These detents are only for use with crown moldings that have a 38°“spring angle”.) NOTE: These detents cannot be used with 45° crown molding. — See also pages 29 & 30 for miter and bevel angle charts for cutting crown moldings that have 38° and 45° spring angles (and the material is laid flat on the miter saw base). Each chart lists the exact miter and bevel settings required for a wide range of corner angles. — Even though these angles are standards, most rooms do not have angles of exactly 90°, there- fore, you will need to fine tune your settings. The optional Bosch DWM40L MiterFinder Digital Anglefinder/Protractor measures spring angles and corner angles, then automatically deter- mines the exact miter and bevel settings necessary to make each crown molding cut fit perfectly. Saw Operations Crown Molding Laying Flat on Table — Notes: Position workpiece with its back flat on the saw table. — Always place top edge of molding against fence (Decorative edge is at the bottom of crown molding.) — "Spring angle" refers to angle between wall and crown molding. — Cutting crown molding flat on the table can be done either as a chop cut or a slide cut depending on the width of the workpiece. 1. For 90. corner, set the bevel and miter angles using Charts below. Tighten the miter lock knob and the bevel lock lever (Figure 35). 2. Position molding on saw table. Clamp workpiece in place using the quick clamp. Use clamping position that does not interfere with operation. Before switching on, lower head assembly to make sure clamp clears guard and head assembly. WARNING ! 3. Follow procedures for either chop cut or slide cut (see page 23). 4. Wait until blade comes to a complete stop before returning head assembly to the raised position and/or removing workpiece. NOTE: ALWAYS TAKE A TEST CUT USING SCRAP TO CONFIRM CORRECT ANGLES. Quick-Action Clamp Crown Molding 31.6° Miter33.9° Bevel Figure 35. Crown Molding Laying Flat Miter and Bevel Settings for Standard Crown Molding Cuts (When Crown Molding is Lying Flat on Table) Assumptions: Molding is milled consistently. Corner is exactly 90.. Molding Spring Angle is 38 degrees Miter Bevel (Table) (Tilt) Setting Setting Inside Corner Left end (A) (31.6) Right (33.9) Left Use the left end of the cut Right end (B) (31.6) Left (33.9) Right Use the right end of the cut Outside Corner Left end (C) (31.6) Left (33.9) Right Use the left end of the cut Right end (D) (31.6) Right (33.9) Left Use the right end of the cut Molding Spring Angle is 45 degrees Miter Bevel (Table) (Tilt) Setting Setting Inside Corner Left end (A) (35.3) Right (30.0) Left Use the left end of the cut Right end (B) (35.3) Left (30.0) Right Use the right end of the cut Outside Corner Left end (C) (35.3) Left (30.0) Right Use the left end of the cut Right end (D) (35.3) Right (30.0) Left Use the right end of the cut 29. Saw Operations Crown Molding Angled to Table and Fence The preferred method for cutting crown molding with this saw is with the molding laying flat on the table. — The advantage to cutting moldings angled against fence is that no bevel setting is required. Only the miter angle is adjusted. — The maximum crown molding width that can be cut and angled to table and fence is 6". — When cutting crown molding in this fashion it is recommended to purchase and use ...