IlUSTRIITED PMTSST McCulloch and Eager Beavere chain saws are identified by a model number (in this instance, 60004, 600046, etc. ) followed by a suffix number (0, 02, etc. ) stamped on the identification plate attached to the saw. JANUARY 987 Suffix letters denote variations in parts or assemblies in the manufacture of the saw. Part numbers listed in this I.P.L. which have a circled number @ or numbers preceding the - CONTENTSdescription, are used only on the model or models identified by a circled number @ or Page numbers. FIGURE - General... 2 Part numbers which have one or more dots (.) FIGURE 2 - Powerhead and Oiler Asys.... 4 preceding their descriptions may be ordered FIGURE 3 - Carburetor Asy. all models individually, but they are also included in the except PM 650... 6 kit or assembly whose description begins FIGURE 4 - Carburetor Asy. for PM 650... 7 directly above the dot(s). FIGURE 5 - Chain Brake Assembly... 8 FIGURE 6 - Fan Housing & Fuel Tank Asys.. 8 The policy of McCul loch Corporation is one of FIGURE 7 - Specifications continual improvement in design, manufacturing... 9 and engineering advancement wherever possible to FIGURE 8 - Bar/Chain/lSharpening Tools... 9 assure still finer two-cycle power tools. FIGURE 9 - Tools and Accessories... 9 Hence, specifications, equipment, colors, design SERVICE NOTES - Piston Rings... 0 and manufacturer s suggested list prices are subject to change without notice and McCulloch Corporation reserves the right to make such changes without prior notification or obligation to backfit or supply backfit components for units previously shipped from the factory. A McCULLOCH CORPORATION @ 28689-0-E 333
a - GENERAL ASSEMBLY 28 d.. b -ii -p -f? : 79 m Y(?L 8 /. ; II { En b a 29 2 334
FIGURE GENERAL ASSEMBLY ITEM NO. PART UNITS PER NUMBER DESCRIPTION ASY. NO. NU4BER DESCRIPTION ASY. 26645 Nut-Hex Flange 2 2 Fig. 2 Chain Brake Assembly 3 64325 Plate-Bar Guide 4 Fig. 7 Chain Assembly Fig. 7 Bar Assembly 2 92457 Nut-Hex Flange MIO x.25 (60-70 in. lb. torque) 7 2430 Clutch Assembly 8 64583 Retainer-Clutch Spring 2 9 83223 I Spring-Clutch 2 0 67233 Kit-Clutch Shoe 24300 I Rotor-Clutch 2 24979 Drum/Sprocket Assy. 24200 8z Drum/Hub Assy. 3 8695 @ Sprocket-Rim.375P 4 86958 @ Washer-Shim 097 Bearing-Needle ;: 92354 Jacket-Cylinder 7 2008 Screw-Pan Hd M4 x 6 : (5-20 in. lb. torque) lb 2959 Starter Assembly 9 038.Nut-l/4-20 (25-30in. lb. torque) 20 9540. Washer-Starter 2 26589. Spacer-Starter 22 25848. Step Bolt-Starter 23 2963. Drum/Rope Kit-Starter 24 87670.. Rope-Starter 25 27730 Bushing-Rope 26 87668 I Spring-Starter Rewind 27 9337 Starter Handle 28 24699 Insert Handle 29 20002 Screw-Pan Hd M5 x 4 (30-35 in. lb. torque) 30 93232 Screw-Fan Housing M5 x 40 (45-50 in. lb. torque) 3 93233 Screw-Fan Housing M5 x 35 (45-50 in. lb. torque) 32 93234 Screw-Fan Housing M5 x 30 (45-50 in. lb. torque) 33 Fig. 3 Fan Housing/Fuel Tank Assy 34 2765 Cover Assy-Filter 35 999. Knob-Air Filter Cover 36 0565. Ring-Retaining 37 9526 Air Box Assembly 38 9524 Box-Air 39 9326 : Gromnet-Choke 40 69597. Boot-Control Rod Isolator ;; :%: I Gronrnet-Strut 43 24226 Filter-Air 44 20004 Screw-Hx Hd M5 x 56 2 (35-40 in. lb. torque) Bracket Assy-Filter/Cover ~A?4% Choke & Rod Kit 46 945 Choke-Carburetor 47 947 I Rod-Choke 48 Fig. 3,4 Carburetor Assembly 49 9924 Gasket-Carburetor 50 9995-0 Grommet-Carburetor Needle 5 93458 Clip-Oiler Button 52 92067-0 Button/Rod Assy-Oiler 53 0564 O Ring ; 54 25266 Screw-Pan M5 Special 2 (25-30 in. lb. torque) 55 0990 Washer 4 56 93252-0 Strut-Handle 57 93253 Gronnnet-Strut 58 05 Screw-Pan Hd /4-4 x 2.5 2 (70-80 in. lb. torque) 59 9207 Spacer 60 92066 Cup-Isolator 2 6 025 Washer-Plain 62 04 Screw-Pan Hd /4-4 x.75 (70-80 in. lb. torque) 63 9207 Spacer 64 027 Washer-Plain 65 9393 Isolator 66 9440 Isolator 94847 @ Isolator 67 027 Washer-Plain 68 995 Fra~ 69 24723 Handle Assembly 70 0994. Pin-Roll 2 7 9377 Spring-Trigger 72 93538-0 ; Trigger 73 03.. Screw-Set 74 9955 Release-Trigger 75 24504 : Rod-Throttle 76 93459 Boot-Handle 77 926 Seal-Air Box 78 20037 Screw-Hx Hd M5 x 25 (Sems) ; (35-40 in. lb. torque) 79 20039 Screw-Hx Hd M5 x 30 (Sems) 2 (35-40 in. lb. torque) 80 93460 Washer-Insulator 9408 Gasket-Air Box Y2 9407-0 Insulator-Carburetor 83 9933 Gasket-Air Box 84 9934 Insulator-Air Box 85 92038 Gasket-Insulator 86 20037 Screw-Hx Hd M5 x 25 (Sems) 2 (45-50 in. lb. torque) Washer-Insulator ;; :;:;;0 Nut-Hx 5/32-32 ; (30-35 in. lb. torque) 89 2856 Shroud-Cylinder 90 93B90 Switch-Ignition 92466 Wire Assembly-Switch ;; 20002 Screw-Pan Hd M5 x 4 ; (45-50 in. lb. torque) 93 24670 Shroud-Bottom 94 Fig. 6 Powerhead & Oiler Assy 95 20002 @ Screw-Pan Hd M5 x 4 2 96 20044 @ Nut-Hx M5 Lock 2 97 ;;;:;8 @ Spike 98 Safety Decal @ Used on all models except PM 650. @ Used on all PM 650 Models. @ Pm 650 Model 600046-0 uses only one () Isolator, p/n 9484.7, in place of two (2) Isolators, one () p/n 9393 and one () p/n 9440. @PM60 Models: 4-0, -02 28-05, -06 PM 650 Models: 46-02, -, -9 NOTE : PM 650 Models 46-0, -03, -04, -07, -08, -9 use four (4) screws, two (2) nuts and two (2) spikes. 333
Powerhead & Oiler Assembly j4 \ @- \.\\, 55 565? / ~~ /,- \ / /.- L- b 63 336
FIGURE 2 POWERHEAD & OILER ASSEMBLY [TEM PART UNITS PER 0. NUMBER DESCRIPTION ASY. 20036 Screw-Pan Hd M4 x 25 (Sems) 4 (0-5 in. lb. torque) 2 6777 Washer-Insulating 4 3 29380 Pump Assy-Oiler (Pulse) 4 255.Cap-Oil Pump 93933.Plunger-Oil Pump : 0564. O Ring 7 66687.Spring-Plunger 8 0706.Screw-Pan Hd 8-8 x.50 3 (0-I5 in. lb. torque) 9 26354.Gasket Washer 0 2728.Cover-Diaphragm 26992.Diaphragm-Oiler 2 2727.Valve-Oiler 3 9945.Piston Assembly-Pulse 4 94322.Spring-Return 5 9944.Sleeve-Oil Pump 6 28530.Screw-Hex/Slot 6-40 x.875 27202.Body-Assembly-Oil Pump ii 9950 Gasket-Oil Pump i 9 26052 Cap w/retainer-oil 20 048 O Ring 2 20D06 Screw-H5 Hd M6.3 x 24 i (75-80 in. lb. torque) 22 oooo4 Washer-Pi..265 I.D. X.032 4 23 28583 Tank Assembly-Oil 24 0950.Nut-Lock 25 025.Washer-Plain 26 9982.Nut-Bar Adjustment 27 94362.Screw-Bar Adjustment 28 92459.Bolt-Bar 2 29 9266 Hose-Oil Pic<up 30 92465 Pickup-Oil 3 20037 Screw-Hx M5 x 25 (Sems) 2 (55-60 in. lb. torque) 32 84686-0 Wire Assembly 33 95553 Ignition Assembly-Electronic 34 95270.Wire Assembly-Spark 35 02556..Connector-Spark Plug 36 95266..Boot-Spark Plug 37 0995.Grommet-Spark Plug Wire 38 94500 Nut-Hx Flange MO (265-325 in. lb. torque) 39 26739 Flywheel /Pawl Assembly 40 9344.Spring-Starter ; 4 95362.Screw-Starter Pawl 2 42 9536.Pawl-Starter 43 23253.Washer-Spri ng ; ;TEM PART UNITS PER to. NUMBER DESCRIPTION ASY. 44 0006 Key-Woodruff 45 6206 Screw-Wsh. Hd 2-24 x 3/4 4 (70-75 in. lb. torque) 46 025 Washer-Seal ing 4 47 94536 Cyl/C Case Assembly @ 2884 Cyl/C Case Assembly 48 92096.Nipple-Oil Line 49 @ 9430 Piston Assembly @ 29269 Piston Assembly 50.Pi ston @ 9254.Piston-l.807 5 @ 9432.Ring Set-Piston @ 9257.Ring Set-Piston 52 02.Bearing-Needle 2 53 8770.Pin-Piston 54 85352 Rod Assembly-Connecting 55 6627-0.Screw-Con Rod ; (55-65 in. lb. torque) 56 63225 Roller Bearing-Needle (set of 20) 57 0260 Seal-Oil.625 I.D. x.875 58 04357 Bearing-Needle ; 59 67906 Seal-Oi 60 67905 Bearing Ball ; 6 63464 Ririg-Snap 62 2704 Crankshaft : 63 02762 Screw-Hx Hd 0-24 x /2 (55-60 in. lb. torque).64 27607 Deflector-Exhaust 65 20038 Screw-Pan M4 x 8 2 (34-45 in. lb. torque) 66 9348 Plate-Deflector 67 94958 Screen-Muffler 68 95444 Screw-Muff er 2 (65-75 in. lb. torque) 69 93603 Muffler Assembly 70-84007 Gasket-Muff er 7 235593 Spark Plug- (20 in. lb. Torque) 72 @ 24304 Valve-DSP 73 @ 24765 Washer-DSP Valve @ Useon PM605,6450nly. @ Oeforeordering pistonrirrgset foryour PM60, PM 650,PM655see servicenoteson Page IO. @ Used on all PM 650 models equipped with a DSP valve. 3375
m -CARBURETOR ASSEMBLY <<- ~ >~ 24 23 8. 5 C-2S NO. NIJMBER DESCRIPTION ASY. 95763 Carburetor AsY. (Zama C-2S) Screw - Pump Cover 24954 : Cover - Pump ; - @@@. Kit - Pump Diaphragm Screen - Filter 0: Screw - Adjustment 2 Q. Spring - Adjustment Screw 2 Screw - Throttle Adjustment Piece - Friction 93945 ; Screw - Diaphragm Cover 4 24945 Cap -@@: $$$. Diaphragm - Main Gasket - Main :. Disk NO. NUMBER DESCRIPTION ASY. 984. 93942 8. -& Q. 9395. -a...-.. Screw Pin Lever Pln - Ann Ann - Needle Valve ; Spring - Ann Valve - Needle Plug - Welsh Orifice - Main Fuel ; Screw - Plate Valve - Throttle Screw Lever - Throttle Adjustment Shaft Assembly - Throttle Spring - Throttle Return NOTE: Used on all models except PM 650. @ Contained in Repair Kit, P/N 24959. @ Contained in Gasket/Diaphragm Kit, PIN 28892. 6 NOTE: Items are listed for identification and disassembly sequence purposes and only those items with part numbers listed or items included in the repair kits are available as service Darts. 338
CARBURETOR ASSEMBLY ~ I 2 5 42it 3 0 I 9 20 2 22 23 *-.>.> /k \ WALBRO HDB-7A 28 26 24 2 [TEM PART UNITS PER!0. NUMBER DESCRIPTION ASY. 9563 Carburetor - Walbro HDB-7A (PM 650) Needle - Hi Speed & Idle Spring - Needle Adjustment Screw - Idle Spring -Idle Adjustment Governor Asy. (HDB-7A Only) Screw - Metering Cover Cover - Metering Oiaphragm Diaphragm Asy. - Metering Gasket - Metering Diaphragm Screw - Circuit Plate Plate Assembly - Circuit Gasket - Circuit Plate 2 2 4 Uo. NUMBER DESCRIPTION ASY. H 5 6 7 8 9 20 2 22 23 24 25 26 27 28... -@@: 8 J@. a. -@.. -@. Valve - Inlet Needle Spring.- Metering Lever Ring - Screen Retaining Screen - Check Valve Retainer - Check Valve Valve - Check Screw - Fuel Pump Cover Cover - Fuel Pump Gasket - Fuel Pump Diaphragm - Fuel Pump Screen - Inlet Screw - Valve stop - Throttle Valve - Throttle Shaft Assembly - Throttle Spring Throttle Return ;? Contained in Major Repair Kit, P/N 27075. Z2C44 & Contained in Minor Repair Kit, P/N 27077. z2%~ > NOTE: Items are listed for identification and disassembly sequence purposes and ONLY those items included in the Major and Mi~Repair Kits are available as service replacement parts. 339
_ a CHAIN BRAKE ASSEMBLY 5 io 765 NO. NUMBER DESCRIPTION ASY. 27697 Brake Assembly 26634. Screw 0 24 x.50 i 2 26633. Washer-Plain 3 275. Flag Assembly-Brake ; 4 24366.. Pin Assembly-Roller 5 93085. Spring-Brake 6 9246. Pin-Lever Pivot 7 9245 Washer-Thrust 8 9444 ~ Pivot-Latch ITEM PART UNITS PEi NO. NUMBER DESCRIPTION ASY, 27235. Latch : 93082. Pin-Band Anchor 9308. Band-Brake 2 26687. Screw-M5 x 4.25 3 9278. Stop-Chain 4 92086. Snubber-Brake Housing 5 27698. Housing-Brake Fan Housing & Fuel Tank.- Assemblies 8 NO. NUMBER DESCRIPTION ASY. Housirig-Fan ; ;%:? Cap/Retainer Assembly-Fuel 94707 Gasket-Fuel Cap : 9325 ;eal-fuel Vent 5 926 Seal-Air Box 6 20068 Screw-Pan HdM4 x 2 (SEMS) j NO. NIFIBER DESCRIPTION ASY. 7 69322 Washer-Hard No. 8 2 8 9490 Tank Assembly-Fuel 9 94899. Hose Assenbly-Fuel 0 00440.. kjasher-5/6 63932 Fflter-Fuel 2@ 2636 ;l;g-push @llsed only if your unit is so equipped. 340
I Displacement PM 60\650/E.B. 3.7...... PM 605;. ;.......... Bore and Stroke PM 60/650E.B. 3.7..... PM 605............ Ignition.................. Lamination Gap............... Timing................... Spark Plug Gap............... Clutch Engagement Speed........... Idle Speed................. Fuel Tank Capacity............. Fuel Type.................. Fuel/Oil Mixture.............. Oil Tank Capacity.............. Main Bearings................ Connecting Rod Bearings........... Weight (Power Unit Only) All except PM 650 PM 650....... SPECIFICATIONS _ 3.7 cu. in. (60cc) 3.5 cu. in. (58cc).9 in. x.5 in. (4.7nsnto 35~).8 in. x.375 in. [40MMX 35nmI) Electronic (C.O. I.).0 in. to.05 in. (.28 to.38nwn) 26 BTDC.025 in. (.63mm) 2800 to 3000 RPM 800 to 2000 RPM 7.3 Ounces (50cc) Regular Grade Leaded or Unleaded Gas 40: Using McCulloch Oil 20: Using SAE Two Cycle 4.6 Ounces (430cc) Needle and Ball Needle 4.7 Lbs. 4.8 Lbs. Bar/Chain/Chain Sharpening Tools PART BAR PART CNAIN FILE PLATE ROUND FILE NUMBER DESCRIPTION NMBER DESCRIPTION PART NUMBER PART NUM8ER, 24237 Sprocket Tip 6 28839-2 PMR370 GLX-60CL 2932 296* 56698-23** 27025 Sprocket Tip 8 28062-2 PMR370 GLX-66CL 2932 296* 56698-2P* 24238 Sprocket Tip 20 28069-2 PMR370 GLX-70CL 2932 296* * 7/32 Round File Twin Pack ** 7/32 Round File 2-Pack TOOLS & ACCE~ PART NM8ER DESCRIPTION PART NUM8ER DESCRIPTION 25432 6337 9445 84223 9528 2422 2495 2494 85707 Pressure Test Tool Adaptor - Exhaust Adaptor - Intake Kit - Piston Tools Air Filter - Felt Scrench Gun-Lube (Disposable) Gun-Lube (Deluxe) Case - Custom Lubricant 40: Case contains 24 cans 6 ounces 93770 Case Custom Lubricant 40: Case Contains 48 cans 6 ounces 9559 Allen Wrench - 5mm 69794 Locquic 0083 R.T.V. Sealant 942 Kit - Carrying Case 20 Inches 24203 Scabbard 20 Inches 24208 kit - Spike 349
SERVICE NOTES PM 60 PISTONRINGS Piston rings used on PM 60 Chain saws built before February 984 are different than piston rings used on PM 60 units built since 984. The rings are not interchangeable. BEFORE FEBRUARY 984 SINCEFEBRUARY984 W 60 Piston Rings (lhick) PU6O PISTON RINGS (Thin) If PM 60 being serviced is equipped with the thicker piston ring as illustrated in ACTUAL SIZE below, order p/n 9433. If PM 60 being serviced is equipped with the thinner piston ring as illustrated in ACTUAL SIZE below, order p/n 9432. @ 0 342