User manual Norsap 1800 | 4000 Norsap 1800 S Norsap models 8830 8800 8940 8950 Norsap 1800 Active S Norsap 1800 Active M Norsap 4000 Impulse M Norsap 4000 Impulse L Norsap 1800 M / 4000 M Flat oval column heights: 63-73 / 67-80 / 72-92 cm XL column heights: 70 cm / 73-97 cm 70 cm / 73-97 cm
INTRODUCTION TABLE OF CONTENTS Norsap is the recognized leader in the design and production of helmsman and operator seats for the maritime market. This manual will help you make the most out of your NorSap chair. If you have any questions regarding your NorSap chair, please contact our head office for further assistance. SAFETY Introduction ........................................................ Safety.................................................................... Functions ......................
XL COLUMN MOUNTING HOLES MEASUREMENTS A strong and level foundation is required to secure the installation of the base. It may occur during storage or transport the non-electrical telescope column fastens in the lower position. Adjust this easily by fastening the lockable arm for swing, lift up the release handle and pull up the chair. XL column bottom plate, may vary on chair setup and model.
ACCESSING THE INTERIOR INTERIOR (1) To gain access to the interior of the seat, use the seat depth adjustment to set the seat cushion in max. Remove the pin and bolt, and slide the seat cushion away from the chair. (2) To gain access to the interior of the armrest, all countersunk screws marked needs to be undone. (3) To gain access to the interior of the column, four screws needs to be undone.
Cushions - Seat To remove the seat cushion, adjust the seat in a forward position. This will make you able to see the bracket for the gas spring. Remove and secure the pin, then remove and secure the bolt holding the gas spring in place. Pull out the cushion from the gliders. Cushions - Standard Armrest To remove the standard armrest cushion, begin by unscrew 3 x Screw Ø4,5 x19 A4 DIN 7983, then pull the cushion straight out from the mold. To install the seat cushion, slide the cushion on the gliders.
INSTALL OR ADJUST GAS SPRINGS NORSAP 1800 To remove a Gas springs for the seat movement, follow the instruction on how to remove Seat cushion and Standard armrest cushion. The Gas spring(s) are located under the seat cushion. Secure all screws and parts on a clean and soft surface. After removing the Seat and Standard armrest cushion, the operation may require to remove the Standard armrest, Circular armrest lidd and cover if replacing the Hydraulic release buttons.
To install the new Gas spring. When monting on the Gas spring to the release cap, screw the Gas spring on CC the release cap until you feel resistance. The resistance will vary on the preload force the Gas spring has. Use the flat surfaces on the mounting end of the Gas spring as reference to the release cap, screw the Gas spring CCW 30 minuttes / 180 degrees. Without rotating the release cap any further, tighten the nut against the realease cap by hand.
OVERVIEW OF ACTUATORS AND GAS SPRINGS NORSAP 4000 To gain access to the actuators and gas springs, begin with seat depth adjustment set to maximum length. Or set the seat sliding / underarm length to minimum length. This adjustment will make the next step easier. Pull out the hairpin cotter pin, and remove the clevis pin holding the actuator in place. Slide the seat cushion off the chair, and secure the parts on a clean and soft surface.
ADJUSTMENT MODULES NORSAP 1800 S / 1800 M / 4000 Electrical and Gas spring adjustment modules Replacing an electrical membrane keyboard or a hydraulic Gas spring release circuit. Follow the Changing the cushions and Install or adjust Gas springs to get access on the NS 1800 S. Follow the instruction Accessing the interior, Changing the cushions and Install or adjust Gas springs to get access on the NS 1800 M or NS 4000. Hydraulic Gas spring release circuit is not included in the modules.
REMOVING THE COLUMN NORSAP 1800 Start the process with adjusting the chair to the lowest position, and pulling the chair top and inner profile up. Secure the chair top and inner profile by tighten the 2 x M8 set screws. In some situations, the chair will have preinstalled components and bigger armrests. In these cases the 2 x M8 set screws will not be able to hold the weight alone, and the chair needs aditional support beams.
RESETTING THE ACTUATOR NORSAP 4000 RESETTING THE CONTROL UNIT Press and hold hold together for 10 seconds. Afterwards, control unit will beep. The chair must be initialized after a reset. INITIALIZATION THE CONTROL UNIT The initialization will run all actuators, to define their position. Press and hold the three buttons throughout the initialization, until all movement has stopped. There will be a total of six movements, that ends with the backrest being set in a upright position.
CONTROL UNIT (ELDEL-115) CONTROL UNIT MODULES The control unit consist of two modules. - Duty cycle: 10% ˜ max. 2 min. continuous use followed by 18 min. not in use. - Ambient temperature +5˚ to + 40˚C - Approvals: IEC60601-1:2005 3rd ed., ANSI / AAMI ES60601-1:2005, 3rd edition, CAN/CSA-22.2 No 60601-1:2008 approved CONTROL POWER MODULE - 230V or 110V for U.
