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NRC 30CS Operation And Maintenance Manual

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OPERATION AND MAINTENANCE
COMPOSITE SLIDER WRECKERS
Model(s): 30CS-40CS-50CS
April 12, 2023
Document number: 8923102 — Revision 1
Original Instructions
NRC-INDUSTRIES.COM
Serial number:

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  • Page 1 OPERATION AND MAINTENANCE COMPOSITE SLIDER WRECKERS Model(s): 30CS-40CS-50CS April 12, 2023 Document number: 8923102 — Revision 1 Original Instructions NRC-INDUSTRIES.COM Serial number:...
  • Page 3 NRC Industries Inc. NRC Industries Inc. reserves the right to modify the information provided herein at any time without notice.
  • Page 4 O p e r a t i o n a n d M a i n t e n a n c e REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 5 2022-04-12 Major revisions for new models of CS wreckers, including but not limited to adding sections 2.7 and 3.5, as well as editing sections 3.8, 4.3, 4.4 and 5.1. Formatting changes. 2022-07-15 Initial release REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 6 O p e r a t i o n a n d M a i n t e n a n c e REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...

  • Page 7: Table Of Contents

    3.11 Using the remote control with control levers 3.12 Using the remote control that has 6, 10 or 16 function buttons 4 MAINTENANCE 4.1 Safety guidelines 4.2 General maintenance 4.3 Lubrication REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 8 6.2 Hydraulic failure 6.3 Pump failure 6.4 Truck failure 6.5 Underlift stinger failure 7 STORAGE 8 DISASSEMBLY AND DISPOSAL AUTHORIZED DISTRIBUTORS AND SERVICE PROVIDERS LOGBOOK OPERATOR RECORD REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...

  • Page 9: Limited Warranty

    NRC. WARRANTY SERVICE WILL BE PERFORMED WITHOUT CHARGE TO THE PURCHASER FOR PARTS. HOWEVER, THIS WARRANTY DOES NOT OBLIGATE INDUSTRIES NRC TO BEAR THE COST OF LABOR OR TRANSPORTATION CHARGES IN CONNECTION WITH THE REPAIR OR REPLACEMENT OF ANY PARTS FOUND TO BE DEFECTIVE, NOR SHALL IT APPLY TO A PRODUCT UPON WHICH REPAIRS OR ALTERATIONS HAVE BEEN MADE UNLESS AUTHORIZED BY INDUSTRIES NRC.
  • Page 10 G. NO DEALER WARRANTY - EXCEPT FOR CONDITIONS OR WARRANTIES WHICH MAY NOT BE EXCLUDED BY LAW, THE SELLING DEALER MAKES NO WARRANTY OF ITS OWN ON ANY ITEM WARRANTED BY INDUSTRIES NRC, AND MAKES NO WARRANTY ON OTHER ITEMS UNLESS IT DELIVERS TO THE PURCHASER A SEPARATE WRITTEN WARRANTY DOCUMENT SPECIFICALLY WARRANTING THE ITEM.

  • Page 11: Warranty Card

    Explain and demonstrate vehicle and Present completed Warranty registration. Accessory operation to Customer. Copy to Customer & fax copy to NRC Warranty Deptartment. PRE-DELIVERY INSPECTION Customer Signature This Warranty is not valid until approved by NRC Industries and all items on this form completed.
  • Page 12 O p e r a t i o n a n d M a i n t e n a n c e REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...

  • Page 13: Legal Standards And Requirements

    O p e r a t i o n a n d M a i n t e n a n c e LEGAL STANDARDS AND REQUIREMENTS The NRC sliding wreckers featured in this manual meet the following legal standards and requirements:...
  • Page 14 O p e r a t i o n a n d M a i n t e n a n c e REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...

  • Page 15: About This Manual

    Document conventions The following conventions are used throughout this document: NOTE: We highly recommend that you read this manual in full before using your NRC equipment. Disclaimer This manual, including the equipment specifications, is subject to change without notice.
  • Page 16 O p e r a t i o n a n d M a i n t e n a n c e Applicable models and serial numbers This manual is intended for use with the following models with serial numbers within the following ranges only: 30CS-047 to ... 40CS-185 to ... 50CS-063 to ... REV. 1 Composite Slider Wreckers –...

  • Page 17: Warning Messages

    Indicates a hazardous situation that, if not avoided, could result in minor or moderate injury. A caution may or may not involve a property damage hazard. Indicates information that should be read to avoid equipment damage. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 18 O p e r a t i o n a n d M a i n t e n a n c e REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...

  • Page 19: Description

    O p e r a t i o n a n d M a i n t e n a n c e DESCRIPTION The NRC composite slider is a dream machine, a tough and versatile unit for recovery work and extra-heavy towing. Specially designed for the most difficult tasks, the CS with its sliding system brings you the best "USABLE BOOM CAPACITY".
  • Page 20 The chassis supports all the wrecker components. Figure 1 and Figure 2 show the wrecker with and without its underlift. FIGURE 1  — CHASSIS WITHOUT UNDERLIFT (EXAMPLE) REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 21 Jack legs with extendable stabilizers The wrecker may also have an extendable stabilizer on each jack leg. The stabilizers have horizontal extensions to provide even more stability. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 22 Boom The mast has two or three boom sections, depending on which option you selected. Figure 3 shows a boom and its components. FIGURE 3  — BOOM REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 23 The wrecker features two control panels (one on each side) with similar controls. The electronic control panel is located on the driver’s side, and the direct-acting mechanical control panel is REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 24 The calibrating scale system adjusts the minimum and maximum boom length and angle values to ensure that the truck remains stable during operation. FIGURE 5 — CONTROL PANEL AND SCREEN REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 25 NOTE: The position and number of controls may differ slightly between models. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 26 O p e r a t i o n a n d M a i n t e n a n c e FIGURE 7  — CONTROL PANEL ON THE DRIVER’S SIDE REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 27 Push the button a second time to turn ON all lights (the right indicator will be lit). Push the button a third time to turn OFF all lights. Emergency lights REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 28 Main winches are in high speed when the light is on. Slider (to prepare the slider, see section 3.9.1 Preparing the slider) Slider unlock button and light. The slider is unlocked when the light is on. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 29 Winches (to operate the winches, see section 3.10 Using the winch) Winds and unwinds the left main winch cable. Winds and unwinds the right main winch cable. Winds and unwinds the left auxiliary winch cable. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 30 Your wrecker may be equipped with a remote control. The remote control features most of the functions that are available on the main control panels of the wrecker. Two types of remote controls are available: With function buttons With control levers REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 31 These brief descriptions are not operating instructions; to learn how to operate the components, see the procedures in the relevant sections of this manual. FIGURE 8 — REMOTE CONTROL (SIX FUNCTION BUTTONS SHOWN) REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 32 On: the transmitter button has been pressed and the remote control is transmitting information. Flashes slowly: batteries are low and a button has been pressed. Function As specified by the client. buttons REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 33 These introductory descriptions are not operating instructions; to know how to operate a component, see the procedures in this manual. FIGURE 9 — REMOTE CONTROL WITH CONTROL LEVERS REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 34 Raises or lowers the left jack leg Extends and retracts the left jack leg Lowers the boom. Raises the boom. Unwinds the left auxiliary winch cable. Winds the left auxiliary winch cable. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 35 Unwinds the left main winch cable. Winds the left main winch cable. Unwinds the right main winch cable. Winds the right main winch cable. Extends the boom. Retracts the boom. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 36 Raises or lowers the right jack leg Extends and retracts the right jack leg Disengages the left main winch. Disengages the left auxiliary winch. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 37 Select the desired jack leg movement and whether to operate the drag winch and the slider on the control panel, and wh(see Table 2 — Control Panel Levers). REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 38 The electrical system includes a main electrical panel with breakers and relays that distributes the electricity to the valve banks, electronic control modules, sensors and lights. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...

  • Page 39: Technical Specifications

    9,075 kg 10,200 kg excluding chassis [16,000 lb.] [20,000 lb.] [22,500 lb.] Body width 2,578 mm 2,578 mm 2,578 mm [101 1/2"] [101 1/2"] [101 1/2"] REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 40 Rear axle (minimum) 18 tons [40,000 lb.] 21 tons [46,000 lb.] Chassis resisting bending moment (RBM) 367 kN-m 367 kN-m (minimum) [3,250,000 lb.-in.] [3,250,000 lb.-in.] * Tridem axle required REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 41 1,194 mm [47"] 710–1,830 mm [28–72"]* 710–1,830 mm [28–72"]* 710–1,830 mm [28–72"]* 2,692 mm [106"] 2,946 mm [116"] 2,946 mm [116"] * In 100 mm [4"] increments REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 42 2.4 m [7’ 11"] 2.6 m [8’ 5"] 2.5 m [8' 4"] 2.6 m [8’ 5"] 2.5 m [8' 4"] 1.1 m [3’ 7"] 1.1 m [3’ 7"] 1.1 m [3’ 7"] 1.1 m [3’ 7"] 1.1 m [3' 7"] REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 43 The following tables list the various winches and cables available for each wrecker model, as well as their specifications. IMPORTANT: NRC equipment uses winches of various brands and models. Always refer to the winch manufacturer manual for information specific to your winch.
  • Page 44 (black section of the cable) are wrapped around the winch drum. The friction provided by the wrapped cable allows the drum to pull on the winch cable and move the load. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 45 14 [9/16] 16 [5/8] 19 [3/4] [in.] Winches available for each wrecker model 30CS 40CS 50CS S = standard, O = optional, - = not available REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 46 O p e r a t i o n a n d M a i n t e n a n c e TABLE 11 - WINCH SPECIFICATIONS OF THE 30CS - 30,000 LBS (IN METRIC [IMPERIAL]) Element Specification Winch capacity 133.4 kN [30,000 lb.]...
  • Page 47 Low speed [40,000] [33,500] [28,800] [25,300] [22,500] Cable capacity [25] [55] [95] [135] [185] Line speed (at 17 gpm/64.3 Lpm) [16] [18.7] [21] [24] [27] Low speed REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 48 [25] [55] [95] [135] [185] Line speed (at 17 GPM) [16] [18.7] [21] [24] [27] Low speed Note 1: Based on 22 mm [7/8"] wire rope. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 49 O p e r a t i o n a n d M a i n t e n a n c e 1.2.6 Underlift dimensions and capacity FIGURE 12 — UNDERLIFT DIMENSIONS REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 50 [5.3”] [5.3”] [7.7”] [7.7”] Towing 356 kN 356 kN 400 kN 400 kN 400 kN 356 kN 356 kN capacity [80,000 [80,000 [90,000 [90,000 [90,000 [80,000 [80,000 REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 51 Lifting 156 kN 156 kN 222 kN 222 kN 222 kN 311 kN 267 kN capacity [35,000 [35,000 [50,000 [50,000 [50,000 [70,000 [60,000 when retracted REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 52 Figure 13 — Lifting Capacity of the 30CS Figure 14 — Lifting Capacity of the 40CS Figure 14 — Lifting Capacity of the 40CS FIGURE 13 — LIFTING CAPACITY OF THE 30CS REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS...
  • Page 53 O p e r a t i o n a n d M a i n t e n a n c e FIGURE 14 — LIFTING CAPACITY OF THE 40CS REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 54 O p e r a t i o n a n d M a i n t e n a n c e FIGURE 15 — LIFTING CAPACITY OF THE 50CS REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...

  • Page 55: Safety

    Clean and replace them as needed. Intended use NRC Industries equipment is intended for use only by trained and qualified operators who have carefully read and understood the contents of this manual. This product was designed to recover and tow vehicles that do not exceed its lift or tow ratings.

  • Page 56: Nrc Responsibilities

    NRC distributor. Should a visual inspection identify any cracks or structural damage, immediately discontinue use until the equipment is deemed safe. NRC recommends that the hydraulic system of the wrecker be checked at least once a year, ONLY by an authorized NRC distributor.

  • Page 57: Operator Responsibilities

    Before driving the vehicle, check that the power take-off (PTO) is disengaged: The control levers should no longer be functional. The warning light in the cab should be off. Never tow a vehicle that has people inside. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 58 Do not allow anyone to enter this danger zone when you are using the equipment. In addition, do not allow anyone within 75 m (250’) of a winch cable. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...

  • Page 59: Conditions For Use

    50,000 volts. See the minimum approach distances in the table and add an additional 30 cm (1’) for every 30,000 volts or portion thereof. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 60 Use extra caution when operating the wrecker on icy surfaces. Use the outriggers and spades to prevent the wrecker from slipping. 2.7.4 Obstacle clearance distance Keep all loads a safe distance away from surrounding obstacles. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...

  • Page 61: Operation

    5. The more winch cable you unwind, the more pulling force you have to tow the vehicle. 6. You can use pulleys to increase the winch capacity. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 62 E. Load on the underlift. FIGURE 16  — AXLE LOAD CALCULATIONS If the rear axle group is composed of a single drive axle and a liftable pusher axle, this calculation does not apply. Contact your NRC representative for more details. REV. 1 Composite Slider Wreckers –...
  • Page 63 RLFA = A - F = 12,000 - 5,000 = 7,000 lb. Source: Les Dépanneuses: équipement de base, utilisation, lois, normes et règlements , Sainte-Foy, Québec: Publication du Québec, 1996 (in French). REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 64 8 turns for synthetic cable. Source: Les Dépanneuses: équipement de base, utilisation, lois, normes et règlements , Sainte-Foy, Québec: Publication du Québec, 1996 (in French). REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 65 10% for poorly- maintained/lubricated blocks. FIGURE 17 — CALCULATING INCREASED WINCH CAPACITY You can calculate the total winch-pulley-anchor capacity using this formula: REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...

  • Page 66: Preparing The Wrecker For Optimal Performance

    3.8.5 Removing the underlift from the wrecker. Exercise caution when using the crane with the underlift, since any contact between the boom and underlift can damage the equipment. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...

  • Page 67: Safety Guidelines

    After familiarizing yourself with the equipment, we recommend running the engine at low speed (600–850 rpm). REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...

  • Page 68: Emergency Hydraulic Bypass

    Ensure that the boom and load always remain at a safe distance from the cab, as nothing will prevent them from hitting the cab. FIGURE 18 — EMERGENCY HYDRAULIC BYPASS CONTROL PANEL REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 69 O p e r a t i o n a n d M a i n t e n a n c e FIGURE 19 — EMERGENCY HYDRAULIC BYPASS IN THE BOOM BASE REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...

  • Page 70: Common Operating Procedures

    5. Press the clutch, engage the PTO and release the clutch to start the hydraulic system. The hydraulic system supplies power to the boom, underlift, winch, etc. The control panels automatically turn ON when you engage the PTO. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 71 Lock the boom in travelling position (see Section 3.9.3 Locking the boom in travelling position). Lock the winches in storage position (see Section 3.10.5 Locking the winches in travelling position). REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...

  • Page 72: Using The Jack Legs

    If this is the case, move the vehicle to more level ground and try again. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 73 Remove the recovery spade and put the locking pin back in place. Store the recovery spades in the toolboxes located on each side of the wrecker. 3. Using the levers on the driver’s side, fully retract both jack legs simultaneously. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...

  • Page 74: Using The Underlift

    Raise the boom to raise the whole underlift. This will raise the vehicle that you are towing. Lower the boom to lower the whole underlift. This will lower the vehicle that you are towing. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 75 FIGURE 20  — UNDERLIFT MOVEMENTS 3.8.2 Towing another vehicle If using the NRC Heavy duty tire lifts (bus brackets), use caution when installing them onto the T-bar to prevent injury. Position yourself correctly while lifting heavy objects. Always secure the disabled vehicle using wheel chocks before working around or under it.
  • Page 76 Alternatively, use the control panel levers. 7. Select the towing accessories or tools compatible with the chosen lifting point and position them on the T-bar. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 77 Connect the air supply and brake control. Test the brake. c. Remove and secure the drive shaft(s) of any drive axles on the ground as per the recommendations from the towed vehicle manufacturer. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 78 2. Slowly lift the underlift with the boom, just enough for the storage pin to slide into the pin hole in the underlift (see Figure 21). NOTE: Storage pins are normally located in the rear toolboxes. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 79 O p e r a t i o n a n d M a i n t e n a n c e FIGURE 21  — INSERTING THE UNDERLIFT STORAGE PIN (EXAMPLE) 3. Slide the storage pin into the pin hole. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 80 Lower the boom just enough to allow the boom head hooks to pass under the hinge pin at the top of the underlift. d. Extend the boom so that the underlift is completely detached and supported by the storage pin. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 81 Install the safety pin. 4. Using the boom, slowly lift the underlift, just enough to allow the storage pin to slide out REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 82 FIGURE 24  — PUT THE HYDRAULIC LINES IN THE DOCKING BRACKET (EXAMPLE) 4. Restart the engine or engage the PTO. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 83 8. Engage the winches and start lifting the underlift. Continue lifting until you start to see the underlift rollers. Stop lifting the underlift before the rollers leave their rails. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 84 FIGURE 26  — POSITIONING THE UNDERLIFT IN THE RAILS (EXAMPLE) 10. Raise the boom until the underlift clears the rails. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 85 Remove the underlift from the tag axle, then remove the tag axle from the wrecker. This is useful if you need to reattach the underlift to the wrecker for jobs to be done with the underlift. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 86 2. Ensure that the underlift is resting on its storage pin. 3. Secure the underlift to the tag axle with its two locking pins. FIGURE 28  — SECURING THE UNDERLIFT TO THE TAG AXLE REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 87 8. Using the boom, slowly lift the tag axle out of the rails. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 88 8. Using the boom, slowly lift the tag axle out of the rails. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 89 (on the multi-coupler). 9. Restart the engine or engage the PTO. 10. Hook the underlift to the boom (see Section 3.8.4 Attaching the underlift to the boom). REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...

  • Page 90: Using The Boom

    1. Ensure that the slider is unlocked on the touchscreen interface. 2. Push the boom slider lever up or down to slide the boom forward or backward. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 91 2. Use the control panel to lock the slide and check that it is locked. Push the slider lever up and down to ensure that the locks are activated (the boom does not slide forward or backward) and the boom is safely stored. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...

  • Page 92: Using The Winch

    This could damage the cables, winches and sheave heads, and cause injury or even death. IMPORTANT: This section provides general information on how to use the winches. NRC equipment uses winches of various brands and models. Always refer to the winch manufacturer manual for information specific to your winch.
  • Page 93 For safer operation, it is recommended to never leave the equipment on the high speed option. Always put it back on low speed after each operation. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 94 2. Wind the winch cable in fully. Do not over-wind the cable and cause the hook to exert tension on the pulley. This could result in severe damage. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...

  • Page 95: Using The Remote Control With Control Levers

    Preparing the wrecker for use with the remote control IMPORTANT: Prepare the remote control before preparing the wrecker for remote control operation, or the truck will shut off. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 96 Toggle the speed switch to the low position to return to slow speed. You can perform all other functions using the remote control levers as you would with the control panel. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...

  • Page 97: Using The Remote Control That Has 6, 10 Or 16 Function Buttons

    1. Push and hold the green button on the remote control. 2. Start using the remote control. Note that each remote control is built and programmed according to your requirements. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 98 O p e r a t i o n a n d M a i n t e n a n c e REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...

  • Page 99: Maintenance

    When lifting the vehicle, use approved and certified equipment that is in good condition. When performing overhead work, use rated jack stands and proceed with caution. For winch safety guidelines, see the winch manufacturer manual. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...

  • Page 100: General Maintenance

    6.2 bar) to maintain the correct cable pressure. Inspect the bolts on the chassis mounting plates for damage and make sure they are tight. Have an NRC-authorized distributor inspect the chassis mounting plates for cracks or structural damage. See Section 4.2.2 Mounting plates maintenance.
  • Page 101 4.2.2 Mounting plates maintenance NRC recommends that wrecker mounting plates be inspected every month by trained and qualified personnel, and annually by an authorized NRC distributor. Should a visual inspection identify any cracks or structural damage, immediately discontinue use until the equipment is deemed safe.
  • Page 102 For equipment sold in North America, the table below shows the cables used for each winch model. IMPORTANT: NRC only supplies steel cables for equipment sold in North America (NRC does not supply steel cables where Standard 14492 is applicable). When NRC does not supply the winch cable, the distributor must select the appropriate cable for their winch model.
  • Page 103 EIPS 1960 IWRC Steel cable for DP 50000 40CS and Drag 19 mm (3/4’’) 6x36 (WS) winch 50CS EIPS 1960 IWRC FIGURE 30  - WINCH LOCATIONS REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 104 Table 16. Make sure to recycle or dispose of the worn wear pads in accordance with local legislation. Log in to the NRC service website to locate part numbers and order wear pads: http://services.nrc-industries.com/. TABLE 16  - WEAR PADS...
  • Page 105 O p e r a t i o n a n d M a i n t e n a n c e FIGURE 31  - WEAR PADS - UNDERLIFT REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 106 O p e r a t i o n a n d M a i n t e n a n c e FIGURE 32  - WEAR PADS - BOOM REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 107 O p e r a t i o n a n d M a i n t e n a n c e FIGURE 33  - WEAR PADS - SLIDERS REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...

  • Page 108: Lubrication

    4.3.1 IMPORTANT: NRC wreckers use oil for the hydraulic system and winches. When changing the oil, take care not to spill any. Collect the oil in a leak-proof can or container and bring it to your nearest collection point for recycling.
  • Page 109 4 to 6 months All winch winch cables length of the cables cables cables, as required by the cable manufacturer *The RPH 15000 winch does not need additional oil. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 110 O p e r a t i o n a n d M a i n t e n a n c e FIGURE 34  - OIL TANK - 30CS, 40CS AND 50CS REV. 1 Composite Slider Wreckers – Operation and Maintenance...
  • Page 111 4.3.2 Oil filter cartridges NRC wreckers include high-pressure filters and return filters. The cartridges for these filters must be replaced according to the schedule shown in the below. The cartridge model and locations depend on the wrecker model. Contact your NRC distributor for the cartridge model number that applies to your wrecker model.
  • Page 112 All other grease fittings Waterproof grease Boom sliding surfaces and jack Waterproof grease legs Winch grease fittings Waterproof grease All valves Antifreeze white grease Slider tube Teflon grease REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 113 Fold cylinder anchor point (Note 2) Grease fitting Note 1: Fully extend the underlift to access all sliding surfaces. Note 2: Completely fold the underlift to access the grease fitting. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 114 Regularly and thoroughly grease the outriggers so their surfaces are always lubricated and protected against corrosion. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 115 NOTE: The number of grease fittings may vary depending on your boom model. Lubrication point Type Boom extension cylinder anchor point (2 per section) Grease fitting REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 116 Underlift locking system (Note 1) Grease fitting D-ring Grease fitting Pulley bushing Grease fitting Main winch rotation Grease fitting Note 1: Extend the boom to access the fittings. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 117 Lift cylinder anchor point Grease fitting Auxiliary winch rotation Grease fitting Pulley bushing Grease fitting D-ring Grease fitting Slider cylinder anchor point Grease fitting Slider top pad Grease fitting REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...

  • Page 118: Maintenance Procedures

    3,100 psi and then slowly decrease the pressure of each valve to 3,000 psi. FIGURE 36 — POSITION OF THE VALVES ADJUSTING SCREWS IN THE BOOM BASE REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 119 3,000 psi on the gauge. If the pressure is not at the appropriate setting (indicated above), you need to adjust the hydraulic pressure of the system as follows: REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 120 When the pressure reads 3,000 psi, this means that this valve is set to that value, and the others are set to a value above that. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 121 Do not turn the adjusting screw of the hydraulic valve while operating a hydraulic control, as this may permanently damage the valve. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 122 The B+A cartridge controls the folding, and the C+D cartridge controls the unfolding. Both cartridges need to be set to 2,000 psi (138 bar). Ensure that the hoses are as shown in the following figure. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 123 If not, continue to the next step. 4. Unscrew the locknut. NOTE: Make sure to choose the appropriate cushioning valve. FIGURE 41  — ADJUSTING THE CUSHIONING VALVE REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 124 6. Try folding up the underlift. If it still lacks power, repeat Step 5 until the underlift folds correctly. Do not apply excessive pressure; use the minimum required to fold it correctly. 7. Tighten the locknut. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...

  • Page 125: Troubleshooting

    This chapter provides a summary of the most common problems, their main causes and solutions. The following sections provide detailed procedures for some of the solutions. NOTE: Only distributors are authorized to perform repairs that involve replacing parts. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...

  • Page 126: Troubleshooting Common Problems

    If not, troubleshoot the hydraulic system. The winches cannot The air pressure Check for an air leak or a bent hose. be engaged is too low REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 127 The drag brake Replace the pad. drag winch cable pad is broken or stops too quickly or worn out. too slowly in free spool mode (disengaged) REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 128 Clean and grease the pin. difficult to fold or jammed unfold The cushioning Adjust the cushioning valve (see Section 4.4.3 valve is not Adjusting the underlift cushioning valve). adjusted properly REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 129 If oil comes out of the hose in the pail, something is wrong with the cylinder. Have it repaired. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 130 Adjusting the counterbalance valves (CBCG-LJN)). The boom Check the boom cylinder and have it repaired or cylinder is faulty rebuilt (see Section 5.2 Checking the boom cylinder). REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 131 The boom Check the boom cylinder and have it repaired or cylinder is faulty rebuilt (see Section 5.2 Checking the boom cylinder). REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...

  • Page 132: Checking The Boom Cylinder

    3. Use the safety chains and tensioner to hold the vehicle in place on the underlift’s T-bar. 4. Fully retract the boom and keep it retracted using a winch cable hooked to the D-ring on the wrecker. 5. Stop the hydraulic system. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 133 9. Start the hydraulic system. 10. Disengage the winch that is keeping the boom retracted. If the boom does not stay retracted, the cylinder has to be rebuilt or replaced. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...

  • Page 134: Checking The Pto

    This switch should route the electrical power to the computer. This is only a temporary solution. The cause of the problem must be found immediately. Turn off the toggle switch as soon as possible. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...

  • Page 135: Accident Or Breakdown Procedure

    In the event of an electrical failure, you can use the manual hydraulic levers to safely stabilize the equipment. The electrical failure must be repaired before performing other towing operations. Contact your distributor to correct the problem. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...

  • Page 136: Hydraulic Failure

    In the event of an underlift stinger failure in which the stinger can no longer be extended or retracted, the most probable cause is a bent cylinder. Remove the underlift and have it repaired. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...

  • Page 137: Storage

    1. Clean and lubricate all parts, including the slider. 2. Replace the high-pressure and return filters on the hydraulic reservoir. 3. Check the oil level and pressure. 4. Connect the electrical power supply. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 138 O p e r a t i o n a n d M a i n t e n a n c e REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...

  • Page 139: Disassembly And Disposal

    Electrical components; Rubber hydraulic hoses; Painted parts; Metal; Composite materials. To protect both you and the environment, we recommend having a specialized company disassemble your machine. REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 140 O p e r a t i o n a n d M a i n t e n a n c e REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...

  • Page 141: Authorized Distributors And Service Providers

    O p e r a t i o n a n d M a i n t e n a n c e AUTHORIZED DISTRIBUTORS AND SERVICE PROVIDERS Please visit our website for the list of authorized distributors and service providers, or scan the QR code below. https://nrc-industries.com/nrc-dealer/ REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 142 O p e r a t i o n a n d M a i n t e n a n c e REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...

  • Page 143: Logbook

    Your logbook, which must be kept with your equipment, should contain the following information. Logbook Date Routine Maintenance/Frequenc Other Tasks Name Number of Observations y (Flushing, Greasing, (Inspections, Hours of (Part Tightening…) Disassembly, Title Operation Numbers…) Repairs…) REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 144 O p e r a t i o n a n d M a i n t e n a n c e REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...

  • Page 145: Operator Record

    O p e r a t i o n a n d M a i n t e n a n c e OPERATOR RECORD Operator Name Date REV. 1 Composite Slider Wreckers – Operation and Maintenance Models: 30CS-40CS-50CS APRIL 12, 2023...
  • Page 146 NRC-INDUSTRIES.COM 2430 Principale, St-Paul-d'Abbotsford, QC, J0E 1A0 T.450 379.5796 F.450 379.5796...

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